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تلسكوب ستار سينس إكسبلورر الدوبسوني 8 بوصة يدعم تطبيق الهاتف الذكي (مستعمل)

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اكتشف سحر السماء الليلية باستخدام هاتفك الذكي

استمتع بمرشد فلكي عبر هاتفك الذكي دون الحاجة إلى أي خبرة في استخدام التلسكوبات.

تعتمد تقنية التعرف على السماء StarSense الحائزة على براءة اختراع والمحسنة على هاتفك الذكي لتحليل أنماط النجوم في السماء وحساب موقع التلسكوب في الوقت الفعلي.

يساعدك المرآة الرئيسية المكافئة الكبيرة مقاس 8 بوصات مع طلاء XLT في الاستفادة القصوى من تقنية StarSense. حدد الأشياء الخافتة في أعماق السماء في ثوانٍ، وشاهدها بتفاصيل أكبر من أي وقت مضى.

تجعل القاعدة المتينة على طراز Dobsonian مع محامل ذات قطر كبير وضبط توتر الارتفاع المتغير من السهل اتباع الأسهم التي تظهر على الشاشة للوصول إلى هدفك المطلوب. عندما يتحول bullseye إلى اللون الأخضر، يكون جاهزًا للعرض في عدسة عين التلسكوب.

يولد تطبيق StarSense Explorer تلقائيًا قائمة بالأجرام المرئية حاليًا. شاهد الكواكب، وسديمات المجرات الأكثر سطوعًا، وعناقيد النجوم، والنجوم المزدوجة من المدينة. أو اصطح التلسكوب الخاص بك إلى سماء أكثر ظلمة لرؤية المزيد.

يتضمن عدسة عين Plössl 25 مم، ومحرك Crayford 2 بوصة، ومحطة توصيل الهاتف الذكي StarSense، ومنظار بحث نقطي StarPointer™ أحمر، ورفًا للعدسات العينية، وأداة مواءمة.

أضف لقائمة الرغبات

قامت Celestron بإعادة ابتكار تلسكوب Dobsonian باستخدام StarSense Explorer - أول Dobsonian يستخدم هاتفك الذكي لتحليل سماء الليل وحساب موقعه في الوقت الفعلي. يعد Celestron StarSense Explorer ذو الفتحة الكبيرة مثاليًا للمبتدئين الجادين، وذلك بفضل واجهة المستخدم البسيطة للتنقل والتدريبات التفصيلية في التطبيق. إنه مثل امتلاك دليلك السياحي الشخصي لسماء الليل. سيضمن الفتحة الكبيرة عدم تجاوزك للتلسكوب بينما تواصل رحلاتك الفلكية.

رسو، إطلاق، استكشاف

اترك مخططات النجوم المعقدة وتطبيقات القبة السماوية غير الدقيقة والحوامل المحوسبة وراءك. مع StarSense Explorer، أصبح تحديد الأجرام أسهل وأسرع وأكثر دقة من أي وقت مضى. في غضون دقائق من إعداد التلسكوب، ستتمكن من التنقل في السماء بثقة. ببساطة ضع هاتفك في قاعدة StarSense الفريدة وقم بتشغيل تطبيق StarSense Explorer.

بعد محاذاة هاتفك مع بصريات التلسكوب (إجراء سريع وسهل)، يولد StarSense Explorer قائمة بالأجرام السماوية المرئية حاليًا. اختر ما تريد وسيتم عرض الأسهم على الشاشة، مما يرشدك أثناء تحريك التلسكوب. عندما يكون الكائن جاهزًا للعرض في العدسة العينية، يتحول bullseye إلى اللون الأخضر. أثناء المراقبة، استمع إلى مئات من الأوصاف الصوتية واطلع على معلومات مفصلة حول آلاف الكائنات داخل قاعدة البيانات الضخمة للتطبيق.

قاعدة Altazimuth عالية الجودة

توفر قاعدة Dobsonian فائقة الاستقرار قاعدة متينة لـ StarSense Explorer. يتميز بمحامل ارتفاع ذات قطر كبير مع توتر متغير، ومحامل أزموت تفلون، ودعامات على الألواح الجانبية لتحقيق استقرار إضافي (على عكس معظم قواعد Dobsonian مقاس 8 بوصات). توفر محامل الارتفاع حركة سلسة لأعلى ولأسفل بينما يسمح نظام "الفرامل" الارتفاع المتكامل بضبط التوتر على طول محور الارتفاع للحصول على أرقى حركة حتى مع عدم توازن بسيط. يوفر مقبض التمرير الموجود على أنبوب التلسكوب قبضة مريحة بحيث يمكنك توجيه التلسكوب بدقة دون إدخال حرارة من يديك إلى النظام البصري. أثناء ظهور الأجرام السماوية عبر سماء الليل، ستتمكن من تتبعها بسهولة من خلال إجراء تعديلات طفيفة على موقع التلسكوب.

إطلالات مذهلة مع بصريات عالية الجودة

مع أنبوب بصري عاكس نيوتوني كبير مقاس 8 بوصات، يتمتع هذا التلسكوب بقدرة كافية لتجميع الضوء لإبراز تفاصيل رائعة في الأجرام السماوية مع الحفاظ على قابليته للنقل بشكل ملحوظ. يمكنك توقع إطلالات واضحة وساطعة لأربعة أقمار غاليلية للمشتري، وحزاماته السحابية والبقع الحمراء الكبيرة، وحلقات زحل، والتوهج الغازي لسديم الجبار، ومسارات الغبار في سديم البحيرة، ومجرتنا المجاورة، Andromeda. مقارنة بـ StarSense Explorer DX 130 AZ، فإن Dobsonian 8 بوصات لديه مساحة تجميع ضوء أكثر بنسبة 240٪، مما يوفر رؤية أفضل للأجسام الخافتة.

جميع الأسطح المرآوية مغلفة بطلاءات XLT البصرية الخاصة بنا لزيادة التباين ونفاذية الضوء بشكل ملحوظ للحصول على إطلالات أكثر سطوعًا. باستخدام XLT، ستتمكن من تمييز التفاصيل الدقيقة أثناء مشاهدة القمر والكواكب، بالإضافة إلى المجرات والسدم الخافتة. المرايا مصنوعة من زجاج بصري ذو تمدد منخفض، مما يساعد في ضمان أفضل الصور في ظل ظروف بيئية متغيرة.

يأتي هذا التلسكوب أيضًا مع محرك Crayford 2 بوصة عالي الجودة. يوفر تصميم Crayford حركات دقيقة وسلسة دون تغيير التركيز. كما يتضمن محولًا من 2 بوصة إلى 1.25 بوصة، بحيث يمكنك استخدام أي عدسة عينية 1.25 بوصة أو 2 بوصة مع StarSense Explorer Dobsonian. يتميز أيضًا بحامل دقيق، لذلك يمكنك قفل التركيز بدقة.

متوافق مع معظم الهواتف الذكية

يعمل Celestron StarSense Explorer مع معظم الهواتف الذكية الحديثة، بما في ذلك iPhone 6 وما فوق، ومعظم الأجهزة التي تعمل بنظام Android 7.1.2 أو أحدث المصنعة منذ عام 2016. للحصول على قائمة توافق

معلومات أنبوب بصري:

  • التصميم البصري: عاكس نيوتوني
  • الفتحة: 203 مم (8 بوصات)
  • الطول البؤري: 1200 مم (47.24 بوصة)
  • نسبة الطول البؤري: f/5.9
  • الطول البؤري لعينة العين 1: 25 مم (0.98 بوصة)
  • تكبير لعينة العين 1: 48x
  • أعلى تكبير مفيد: 480x
  • أقل تكبير مفيد: 29x
  • الحد الأقصى لمعان النجوم: 14.2
  • قوة جمع الضوء: 841x مقارنة بالعين البشرية
  • الطلاءات البصرية: طلاءات عاكسة XLT مع طلاءات واقية من ثاني أكسيد السيليكون وخماسي أكسيد التنتالوم للمرايا الأولية والثانوية
  • مادة المرآة: مكافئ Pyrex للمرايا الأولية والثانوية
  • سمك المرآة الأولية: 25 مم (0.98 بوصة) (تقريبًا نسبة سمك 1:8)
  • سمك المرآة الثانوية: 8.5 مم (0.33 بوصة)
  • المحور الصغير للمرآة الثانوية: 47 مم (1.85 بوصة)
  • مادة الأنبوب: الفولاذ
  • التركيز: تركيز Crayford 2 بوصة، يتضمن أنبوب تمديد 2 بوصة ومحول 2 بوصة إلى 1.25 بوصة

معلومات الحامل:

  • نوع الحامل: قاعدة دوبسونية ذات محورين متعامدين

  • مادة القاعدة: لوح خشبي مع أسطح الميلامين وحواف التزيين، متوافقة مع CARB

  • أبعاد القاعدة: 685.8 مم × 482.6 مم × 482.6 مم (27 بوصة × 19 بوصة × 19 بوصة)

  • وزن القاعدة: 22.8 رطلاً (10.3 كجم)

  • سرعات التحرك: يدوية

  • البرامج: برنامج Celestron Starry Night Basic Edition Software وتطبيق StarSense Explorer

  • إجمالي وزن مجموعة التلسكوب: 43.4 رطلاً (19.68 كجم)

  • العناصر المتضمنة:

    • أنبوب بصري
    • قاعدة دوبسونية
    • عينة عين 25 مم
    • تركيز Crayford 2 بوصة
    • منظر البحث الأحمر StarPointer™
    • قاعدة StarSense Explorer
    • رمز فتح StarSense Explorer
    • رف العدسات العينية
    • غطاء المواءمة
    • برنامج Celestron Starry Night Basic Edition Software

تحذير من الشمس:

  • لا تنظر مباشرة إلى الشمس بالعين المجردة أو باستخدام جهاز بصري (إلا إذا كان لديك مرشح شمسي مناسب). قد يؤدي ذلك إلى تلف دائم وغير قابل للعكس للعين.
  • لا تستخدم جهازك البصري لعرض صورة للشمس على أي سطح. يمكن أن يؤدي تراكم الحرارة الداخلية إلى تلف الجهاز البصري وأي ملحقات متصلة به.
  • لا تترك جهازك البصري دون إشراف. تأكد من وجود شخص بالغ على دراية بإجراءات التشغيل الصحيحة مع جهازك البصري في جميع الأوقات، خاصة إذا كان هناك أطفال.

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I'll cut to the chase: the Celestron StarSense Explorer 8-inch Dobsonian is one of the best telescopes around for anyone after maximum value for money. Thanks to its use of Celestron's clever StarSense app, it's also one of the best beginner telescopes..

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Great value, excellent optics and an ease of use some telescopes would die for.

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Celestron took gold! With over 3K entries worldwide, our StarSense Explorer won gold in the Edison Awards’ Learning Technologies category. StarSense Explorer has truly revolutionized amateur astronomy for the better.

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Q:

I have an Android smartphone. How can I determine if it is compatible with StarSense Explorer?

A:

The easiest way is to visit Celestron.com/sse with your smartphone’s web browser and run a compatibility check. Otherwise, you can go to the same webpage on your computer and view a list of tested Android smartphones. If your model is listed, your smartphone is compatible. If your model is not listed, it does not necessarily mean it is incompatible, just that it hasn’t been tested yet. In general, Android devices running Android 7.1.2 and higher that were manufactured in 2016 or later are usually compatible.

If you are still unsure, download the StarSense Explorer app from Google Play. When you open the app, it will indicate compatibility.

Q:

I moved the telescope so that the bullseye was on top of the selected object and the bullseye turned green. But I can’t see anything in the telescope’s eyepiece. What’s going on?

A:

One of two things could potentially be happening here:

1) Your smartphone’s camera may not be well aligned to the telescope. This could be due to user error in the camera alignment process, or it could be due to the smartphone being bumped or otherwise shifted in the StarSense dock. To correct this, exit StarSense mode by pressing the StarSense icon button, then press the StarSense icon again to re-enter StarSense mode.

Next, select “Need Alignment” from the pop-up window, and go through the camera alignment process again. Be sure that whatever object you choose for alignment is centered in the telescope’s eyepiece. Then, in the camera view, carefully drag the crosshairs onto the same object.

If you are unsure how to align the camera, tap the Menu icon button and turn on the Camera Setup Assistant. Now, when you go through the camera alignment screens, there will be information and videos to walk you through the process.

2) The object may be in the telescope’s eyepiece, but it could be too dim to see. This is more likely when observing faint deep sky objects from light polluted or moonlit skies. In this case, we recommend going to darker skies or waiting until a New Moon to get a better view.

The objects listed in Tonight’s Best under the Star icon button will all be marked as either “CITY VIEWABLE” or “DARK SKY VIEWABLE.” Do not expect to be able to see any objects labeled “DARK SKY VIEWABLE” from light polluted or moonlit skies. You can also consider adding an optional light pollution reduction (LPR) filter, such as the Celestron UHC/LPR Filter - 1.25”.

Q:

The StarSense dock’s spring-loaded clamp holds my smartphone OK, but the holder itself is slipping relative to the rest of the dock. This causes smartphone to move, even when the adjustment knobs are not being turned, disturbing the camera alignment. How can I prevent the holder from slipping on the dock?

A:

There are three screws that adjust the tensioning for each axis of motion of the holder on the StarSense dock. Tighten these screws with a small Phillips screwdriver until the holder does not slip. Do not overtighten these screws or the adjustment knobs will become difficult to turn.

We recommend removing your smartphone from the dock and removing the dock from the telescope before making these adjustments.

- To adjust the Y-axis tensioning, first turn the X-axis adjustment knob counterclockwise as far as it will go. This moves the holder to the far right and better exposes the three screws needing adjustment. Then, tighten the three Y-axis tensioning screws shown in the image below.


- To adjust the X-axis tensioning, adjust the three X-axis tensioning screws shown in the images below. You’ll need to turn the X-axis adjustment knob clockwise as far as it will go to move the smartphone holder all the way to the left to access all three of the adjustment screws.

Q:

When centering the camera over the StarSense dock’s mirror using the X-Y adjustment knobs, no matter how well I center my camera over the mirror, the edges of the camera’s field of view are still cut off (i.e. black). Is this OK?

A:

Yes, this is OK. Some of today’s smartphone cameras have exceptionally wide fields that will not fit entirely within the StarSense dock’s mirror. However, this does not affect performance of the StarSense Explorer because the camera can still see plenty of sky to determine its current pointing position.

Q:

When I stop moving the telescope and wait several seconds, the bullseye is not consistently changing from red to either yellow or green OR when I first start the app, the bullseye remains red and the pointing arrows do not appear. The status messages say plate solving is unsuccessful and the app can’t find objects as a result. What’s going on?

A:

When the bullseye does not change from color red, the smartphone camera is not successfully “sensing” the sky and is not able to determine its pointing position. There are several possible reasons for this:

- The sky may be too cloudy or hazy. Unfortunately, there’s not much that can be done about this beyond waiting for a clearer night to observe. As general rule, if you can’t see many stars with your eyes, then conditions will likely not permit the camera to “see” enough stars, either.
- It may not be dark enough out. You’ll need to wait at least an hour after sunset for StarSense Explorer to be able to “see” enough stars to find its position. If you can’t see many stars with your eyes, it is not dark enough yet.
-There may be a bright light source, like a streetlight, shining into the StarSense dock’s mirror. To combat this, move to an area that is shielded from nearby lighting sources.
- There may be something in the camera’s field of view that is affecting the phone’s ability to “sense” stars, such as power lines, trees, or the edge of a building. Try moving to an area with a clearer view of the night sky, without interference from anything on land.
- The Moon may be very bright in the night sky. The Moon’s big, bright disc can blind StarSense Explorer so that it cannot locate objects near the Moon. To see if this is the problem, try selecting another object to view in a different part of the night sky. Also, keep in mind that any deep-sky objects will appear washed out when the Moon is bright in the night sky. The best nights to observe are when the Moon is in or near the New Moon phase.
- The camera may not be properly centered over the StarSense dock. If it is not properly centered, the dock will block the camera’s view, preventing StarSense Explorer from “sensing” enough stars. Fix this by exiting StarSense mode and pressing the StarSense icon button. Then press the StarSense icon again to re-enter StarSense mode. Select “Needs Alignment” from the pop-up window and go through the camera alignment process again. Use the X-Y knobs on the StarSense dock to precisely center the smartphone camera over the dock’s mirror.
- The smartphone’s camera may be picking up getting stray reflections off the back of your phone. This can occur with smartphones or smartphone cases with reflective, shiny metallic, or mirrored backings. Stray light near the observing site reflects off the back of the phone, into the mirror, and then into the camera. If this occurs, try placing the phone in a non-reflective case and be sure there are no nearby light sources that can reflect off the back of the smartphone.
- There may be dew on the StarSense dock’s mirror. When the ambient outside temperature is close to the dew point for your location, dew may start to form on the mirror, preventing the smartphone’s camera from seeing the sky. If this occurs, gently wipe the mirror surface with a clean tissue (without lotion!) or a soft cleaning cloth until the mirror is dry and free of dew. The reflective surface is on the underside of the mirror glass, so you cannot damage the reflective coatings from wiping or cleaning the mirror. Under heavy dew conditions, you may need to do this several times during an observing session.

Q:

Is there a way to access the Object Info pages from the planetarium view?

A:

Yes. Press the orange rectangle with the selected object’s name in it at the bottom of the screen. The Object Info pages for the selected object will appear.

Q:

Once StarSense Explorer finds an object and I am observing it in the telescope eyepiece, the object appears to slowly drift out of the field of view over time. Why doesn’t the object stay centered in the eyepiece?

A:

This is due to the rotation of the Earth. To compensate for this, you’ll need to periodically move the telescope very slightly to follow the object and keep it centered in the telescope.

The StarSense Explorer app will show the bullseye slowly drifting over time, until the bullseye is no longer on the object and is no longer color green. Simply move the telescope to re-center the bullseye on the object, wait until the bullseye turns green again, and the object will once again appear in the eyepiece’s field of view.

Q:

What is the difference between Celestron’s StarSense Explorer app and Celestron’s SkyPortal app?

A:

The StarSense Explorer app only works with StarSense Explorer telescopes, as the app requires both the StarSense dock and the unlock code. The app is intended to curate and guide your astronomical observing experience with StarSense Explorer telescopes, which includes using StarSense technology to “sense” the stars and guide you to selected objects.

SkyPortal is a general-purpose astronomy app for observers of all skill levels, with or without a telescope. It is a free download and works great as a stand-alone planetarium app to explore and learn about the night sky.

SkyPortal can also be used to control Celestron computerized telescopes with Celestron’s SkyPortal WiFi module, or built-in WiFi functionality. When used with a computerized telescope, a device running the SkyPortal app replaces the telescope’s hand control.

Q:

When I am centering my smartphone’s camera over the StarSense dock, I’m noticing reflections and/or double images in the field of view. What’s going on?

A:

The smartphone’s camera may be picking up getting stray reflections off the back of your phone. This can occur with smartphones or smartphone cases with reflective, shiny metallic, or mirrored backings. Stray light near the observing site reflects off the back of the phone, into the mirror, and then into the camera. If this occurs, try placing the phone in a non-reflective case and be sure there are no nearby light sources that can reflect off the back of the smartphone.

Q:

I have an iPhone 6 or an Android device. StarSense Explorer is finding objects without problems, but I notice the bullseye drifting off target in the app while the object is still centered in the telescope’s eyepiece. What’s going on?

A:

This is a known issue with the gyro/accelerometer sensor in the iPhone 6. It is reporting slight motion of the telescope when, in fact, the telescope is not moving. The bullseye will correct its position onscreen after the next successful plate solve, so the drifting should not prevent the app from successfully locating objects. We have seen this “gyro drift” issue sporadically in some Android smartphones, too.

Q:

What do the astroimages captured by StarSense Explorer look like? I notice there is an option called “Save Images & Logs” in the Menu. Can I save and view the images captured by StarSense Explorer?

A:

The images captured by your smartphone that StarSense Explorer uses to determine its current pointing position are not “astroimages” in the traditional sense. Mostly, they look like somewhat noisy black screens with white dots (stars) visible within the frame. They are not pretty pictures by any means! You will not be able to see any deep sky objects in these images, and planets will just appear like slightly bigger white dots. The Moon will be a big, overexposed blob! Even so, StarSense Explorer can pull out enough astrometric data from the image to determine where the telescope is pointing.

For example, here is a typical image from StarSense Explorer when used with an iPhone X:

It is possible to access these images by selecting “Save Images & Logs” from the Menu icon at the bottom left of the main screen before using StarSense Explorer. The app will then save the images it captures and they can be accessed later. We have provided access to the images so that they can be used for troubleshooting purposes. If you are having problems finding astronomical objects in the night sky using StarSense Explorer, these image and log files can help the Celestron Tech Support Team diagnose the issue. We recommend turning on “Save Images & Logs” only if you are having problems with StarSense Explorer and need to troubleshoot. Otherwise, the images will fill up the memory storage on your smartphone. To retrieve the image and log files, follow the steps below.

Retrieving Images & Logs – Android

Turn on “Save Images & Logs” from the Menu as described above. After you use StarSense Explorer at night, there will be images and log files stored on your phone. Accessing them requires connecting your smartphone to a computer. To retrieve the files:

1) Connect your Android smartphone to a computer with the appropriate USB cable.
2) Open the File Explorer on your computer, and the smartphone should appear.

3) Select the device, then select “Phone”, then select “Pictures”, then “StarSense Explorer”
4) Select all the files shown in the “StarSense Explorer” folder and copy them to a folder on your computer.

Retrieving Images & Logs - iOS

Turn on “Save Images & Logs” from the Menu as described above. After you use StarSense Explorer at night, there will be images and log files stored on your phone. Accessing them requires connecting your iPhone to a computer that has iTunes. Follow these steps to retrieve the files:

1) Connect your iPhone to a computer with a USB Lightning cable.
2) Open iTunes on your computer.
3) Click the smartphone icon on the upper left side of screen.


4) Select all the files shown in the “StarSense Documents” section and copy them to a folder on your computer.

If you examine the images, it may be easy to determine what is going wrong. Here are some examples:
- Camera not centered over StarSense dock’s mirror:

- Building in field of view:

-Trees in field of view:

-Power Lines in field of view:

-Clouds in field of view:

-Bright Moon in field of view:

-Moon and Haze in field of view:

-Bright lights and reflection in field of view:

Q:

I’m in dark skies, and my smartphone screen is too bright. It is affecting my eyes’ ability to dark adapt, and I can’t see deep sky objects very well as a result. What can I do?

A:

First, turn your smartphone’s screen brightness all the way down. If it is still too bright, turn on Night Vision mode, which is accessed from the Menu icon. This causes the app to emit red light only, which won’t affect your eyes’ ability to dark adapt.

Q:

I looked at Tonight’s Best list of objects earlier in the day to plan my observing session and some of the objects highlighted earlier are no longer visible. What went wrong?

A:

The Tonight’s Best list highlights the objects that are visible now. So, if you look at the list during the day, some of the objects listed may move below the horizon later in the evening. Take note of the set times for the objects in the list; this information can be found to the right of the object listing on the Tonight’s Best page.

Q:

If the StarSense Explorer app and StarSense dock essentially turn my smartphone into a “smart finderscope,” why do the telescopes include a StarPointer red-dot finderscope?

A:

The StarPointer is included for several reasons. First, it helps facilitate camera alignment. During the alignment procedure, you must first center an object in the telescope’s low-power eyepiece. The StarPointer, once aligned to the telescope itself, makes it easy to do this. If you are proficient at pointing the telescope without use of a finderscope, then you may find that you do not need to use the StarPointer during camera alignment.

In addition, the StarPointer works well for pointing the telescope during daytime terrestrial use of the StarSense Explorer. It also is a handy at night, in case your smartphone battery should become drained or you choose not to use the smartphone functionality.

Q:

Can StarSense Explorer find astronomical objects to view, such as the Moon or Venus, during the day?

A:

No. StarSense Explorer cannot find astronomical objects during the day. The daytime sky is much too bright for StarSense technology to work.

Q:

Can I change the date or time to see the sky for a different time other than now?

A:

No. StarSense Explorer only shows the sky as it currently appears. This is to avoid any confusion when using the app to find objects in the night sky, as the date and time needs to be current for StarSense Explorer to work. The app automatically obtains the current date and time information from your smartphone.

SkyPortal, the free planetarium app from Celestron, does have the ability to change the date and time to display how the sky would look in the past or in the future. If this is a feature you would like to use for planning or exploration purposes, we recommend downloading SkyPortal.

Q:

In the main menu, I see there is a Location option that allows me to choose my current location. When would I need to use that?

A:

When the app is first opened, it will ask you if StarSense Explorer can access the smartphone’s location services. If you answer yes, then the smartphone will automatically use your current location whenever it is used. If you answer no, then the location must be manually set using one of the Location options. (NOTE: You cannot use the “Choose Location from Map” option unless your smartphone can connect to the internet.) Keep in mind that if you select a location far away from your current location, StarSense Explorer will not work.

Q:

Can I use StarSense Explorer with a tablet?

A:

No. A tablet is too big to fit into the StarSense dock.

Q:

I’d like to use the StarSense Explorer app with more than one smartphone. How many devices can I unlock with each unlock code?

A:

Each unlock code can unlock up to 5 different devices. This will allow you to use the StarSense Explorer app on several smartphones and unlock the app if you upgrade to a new smartphone.

Q:

When I select the Menu icon, I notice there is a toggle to turn “Camera Setup Assistant” on or off. What does this do?

A:

The Camera Setup Assistant will appear the first time you do a camera alignment. It walks you through each step of the smartphone camera alignment process and describes with text, images, and videos what needs to be done for each step. For subsequent camera alignments, the Camera Setup Assistant will not appear unless the option is turned on from the Menu.

Q:

I notice that my smartphone battery drains quicker than usual when I am using StarSense Explorer. Is that normal?

A:

Since the smartphone is continually capturing images of the sky and processing them to determine the telescope’s current pointing position, StarSense Explorer uses more battery power than many typical astronomy apps. For observing sessions lasting more than a couple of hours, we recommend fully charging your smartphone beforehand and having a smartphone charger available to recharge the battery. Note that the StarSense dock holds the smartphone while still providing access to the smartphone’s charging port, so you can use a smartphone charger while StarSense Explorer is in use. The Celestron PowerTank Glow 5000 is an excellent choice because it offers a large capacity USB charge bank plus a red flashlight.

Q:

How do I zoom in or out using StarSense Explorer?

A:

The planetarium view utilizes “pinch to zoom” technology. Pinch in to zoom out, and pinch out to zoom in.

Q:

I’m using an iPhone. When I press “Celestron Audio” on the Object Info page, I don’t hear anything, even if I turn my volume all the way up. How can I hear the audio presentation?

A:

Toggle the ring/silent switch to the “silent mode off” position to hear the audio presentation.

Q:

I’m using an Android smartphone. I see “Advanced Camera Settings” as an option when I press the Menu icon. What do the Advanced Camera Settings do?

A:

Advanced Camera Settings allow you to manually adjust camera settings like exposure time, focus, and gain. By default, this option is off, and should not normally be used. The only reason to turn the Advanced Camera Settings on and use them is if your Android smartphone is having trouble consistently sensing stars under favorable conditions. In this case, manually adjusting the camera settings may help you get better results, especially if you are using an older Android smartphone.

During the camera alignment procedure, you can make manual adjustments from the camera centering screen. Adjust the settings until you can see stars on the display screen.

Q:

I notice that StarSense Explorer doesn’t work as well when pointed close to the horizon. Why is that?

A:

Atmospheric refraction and haze can interfere with StarSense Explorer’s ability to find objects within about 15 degrees of the horizon. We incorporated features into the StarSense dock to help StarSense Explorer perform better near the horizon, but how close to the horizon you can get depends mostly on observing conditions such as light pollution and haze. Keep in mind that these same atmospheric conditions can diminish image quality when viewing objects near the horizon through your telescope.

Q:

What effect can weather have on StarSense Explorer?

A:

Of course, cloud cover, fog, or haze that obscures the stars in the sky can diminish StarSense Explorer’s ability to sense stars. Extremely windy conditions can also have an effect, since the StarSense Explorer app will not begin sensing stars if it detects motion of the smartphone. Very hot or cold temperatures will generally have no effect on StarSense Explorer, although your smartphone may not operate well in extremely cold environments. In very humid conditions, be aware that dew may form on the StarSense dock’s mirror and/or the telescope optics. For the best results in humid weather, we recommend occasionally wiping the dew off the dock’s mirror with a soft cloth, lens tissue, or plain unscented tissue.

Q:

There is a bright object to observe in the sky somewhat close to the horizon (like Venus, for example), but it does not appear in the Tonight’s Best list. Why is this object not on the list?

A:

The Dobsonians mounts can be difficult to use above 70-75 degrees in altitude, so objects located higher than that are excluded from the Tonight’s Best list. You can still select these items to view whenever you like from the planetarium screen or the Search Menu, but they will not appear on the Tonight’s Best list until they are lower in the sky.

Q:

There is a bright object to observe in the sky close to zenith (straight overhead), but it does not appear in the Tonight’s Best list. Why is this object not on the list?

A:

The StarSense Explorer LT and DX mounts cannot point higher than about 70-75 degrees in altitude, so objects located higher than that are excluded from the Tonight’s Best list. To see these objects, you’ll need to wait until the Earth rotates and the objects move lower in the sky.

Q:

When I select the Search icon, then select one of the object lists (Messier Objects, for example), why are some objects grayed out while others are in white?

A:

The objects that are grayed out are not currently above the horizon at your location. You can select these objects to peruse the Object Info, but you will not be able to locate them in your telescope right now. Consult the rise and set times listed under the object name to find out when it will be above the horizon.

Q:

When using StarSense Explorer in the Southern Hemisphere, do you have to manually set the app for Southern Hemisphere operation?

A:

No, when using StarSense Explorer in the Southern Hemisphere, the app will already know your location and will adjust for Southern Hemisphere operation automatically.

Q:

The camera alignment process requires aligning the smartphone’s camera to the center of the telescope’s field of view. How is this done?

A:

Aligning the camera to the telescope is an easy, two-step process. The first step is centering the smartphone’s camera over the StarSense dock’s mirror. You can do this indoors, during the day, or at night. Simply turn the StarSense dock’s X-Y adjustment knobs until the camera can see the entire field of view in the dock’s mirror. Next, move the telescope to center an object in the telescope’s low-power eyepiece. You can use just about any distant object: a house light or streetlight on the horizon, a treetop, or a bright sky object, like Venus. Next, drag the crosshairs that appear in the camera’s field of view onto the precise spot that the telescope is currently centered on. That’s it! The smartphone camera is now aligned to the telescope and is ready to be used to locate objects in the night sky.

Q:

Do I need to align the smartphone camera to the telescope every time I place the smartphone in the StarSense dock?

A:

For the most accurate telescope pointing, it is a good idea to align the smartphone camera and telescope every time the smartphone is removed and replaced in the StarSense dock. However, if the smartphone is properly seated in the StarSense dock, it likely will not absolutely require re-alignment to find objects. Note that if you choose not to realign, objects may not be well-centered in the telescope’s field of view.

Q:

Is the StarSense dock sold separately?

A:

No, Celestron does not offer the dock separately. For the best performance, our engineers have designed the dock as an integrated part of the telescope optical tube and/or mount. Should you purchase the dock separately from a third party or make your own modifications to install a dock on another telescope, neither the dock nor the telescope will be covered by the standard Celestron warranty, as the product will have been modified.

Q:

What should I do if dew forms on the StarSense Dock’s mirror?

A:

The StarSense Dock mirror’s reflective coating is on the underside of the glass. That means that if any dew forms on the glass, you can safely wipe it away using a soft cloth. Use a light touch to prevent the phone platform from moving. If the platform moves, you should recalibrate before locating more objects. Alternatively, some amateur astronomers use hot air blowers (such as a hair dryer) to keep their optics free from dew in heavy dew conditions. The same method will work on the StarSense Dock mirror.

Q:

Should I replace the cover over the mirror between searching for targets?

A:

No, only place the cover on the StarSense Dock mirror when the scope is being stored. When using the telescope with the app, leave the cover off. Avoid snapping the cover on and off the dock mirror to prevent accidental nudging of the phone platform. If the platform moves during an observing session, you will need to recalibrate the camera before proceeding.

Q:

Why doesn’t my red dot finderscope match the image on the box/website?

A:

Celestron is making a change to the finderscope shipped with some Celestron telescopes. In some cases, you may receive a finderscope that is different in appearance than the one pictured on the gift box, manual, Quick Setup Guide, or website. We apologize for any inconvenience this may cause. Rest assured that the finders are identical in performance and features. The main difference is the location of the battery compartment and, therefore, the battery installation instructions.

If your red dot finderscope looks like the unit pictured here, you can ignore this message.

If you received a red dot finderscope that looks like the unit pictured here, follow the instructions below to replace the battery:


1. The battery compartment on this finderscope is located on top of the unit. Use a Philips-head screwdriver to loosen the screw holding the battery door closed. The screw is captured and will not fall out when you open the battery door.

2. Lift the battery door open to expose the CR-2032 button battery.
3. With your fingernail on either side of the battery, pry the battery up and out of the battery compartment.
4. Place the new CR-2032 battery, positive (+) side up, under the two copper battery clips at the front of the battery compartment.


5. Press the battery down to snap it into the plastic battery clips on the opposite side of the battery.
6. Close the battery door and tighten the Phillips-head screw to secure the door in place.

Q:

I notice that a 2.5mm hex key was included with my StarSense Explorer 8” Dob, but it is not mentioned in the included Quick Setup Guide. What is this 2.5mm hex key for?

A:

The 2.5mm hex key included with the 8” Dob is for collimating the primary mirror. This process is described in the StarSense Explorer Dob Instruction Manual, which you can find on the product’s page on our website..

Q:

How much backfocus distance do the StarSense Explorer Dobs have? Can I use a Stereo Binocular Viewer?

A:

With the included 2” Extension Tube (36mm height) and 2”-to-1.25” Adapter (10mm height) removed, the SSE Dobs have about 65mm of total backfocus. Since the Celestron Stereo Binocular Viewer needs about 90mm backfocus, you’ll need to use a Barlow lens to reach focus with the SSE Dobs.

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