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Scientific Books
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With the StarSense Explorer, Celestron has reinvented the manual telescope, as it is the first telescope to use your smartphone to analyze the night sky and calculate its position in real-time. The StarSense Explorer is ideal for beginners, thanks to the user-friendly app and detailed instructions. It's like having your personal guide to the night sky.
With the StarSense Explorer, locating objects becomes easier, faster, and more accurate than ever. Within minutes of setting up the telescope, you will be navigating the sky with confidence. Simply place your smartphone in the special StarSense holder and launch the StarSense Explorer app. After aligning your phone with the telescope's optics, the StarSense Explorer creates a list of celestial objects that are visible at that moment. Select one, and arrows appear on the screen, guiding you on where to point the telescope. When the object is ready for observation, the reticle turns green.
The StarSense Explorer works with most modern smartphones, including iPhones from the 6 and above, as well as most phones running Android 7.1.2 or later and manufactured after 2016.
The StarSense uses technology for which a patent application has been submitted and which, in collaboration with your mobile phone, accurately determines where your telescope is aiming in the night sky. A special algorithm, Lost in Space Algorithm (LISA), similar to those used by satellites in orbit to find their orientation, helps the application match star patterns it detects in the sky with its internal database.
There are other astronomy applications that claim they can help you find objects in the sky, but they rely solely on the phone's gyroscopes and accelerometers, which do not provide as much accuracy as LISA technology. No other application can accurately tell you when your target is within the field of view of your eyepiece.
The simple altazimuth mount of the StarSense Explorer LT makes it easy to move the telescope to find the target. A fine height adjustment knob allows you to precisely correct the telescope's aiming and follow the target, which appears to shift in the sky (the apparent shift is actually due to the Earth's rotation around its axis). The entire system is mounted on an adjustable full-height tripod.
With a primary mirror of 127mm (5”), this telescope has a sufficiently large light-gathering capacity to display details on the disks of the planets. You can expect bright and sharp images of Jupiter's four major moons, its cloud belts and the Great Red Spot, Saturn's rings, the trapezium in the Orion Nebula, and the beautiful open star cluster of the Pleiades.
Even if you live in an urban area with intense light pollution, the StarSense Explorer is advanced enough to locate Jupiter, Saturn, Venus, the Orion Nebula, double stars, and a few more of the most well-known celestial objects.
But if you can transport the telescope to a darker location, more objects will be visible. With this 5-inch Newtonian telescope in a relatively dark location, you can easily see the Andromeda Galaxy, the open star cluster of Hercules, and many more.
The entire telescope package weighs just over 5 kg, so it is completely portable and you can very easily take it with you to a campsite or a distant observation location.
Important: Check the compatibility of the application with your device HERE
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.
The hobby of astronomy observation is quite expensive, so this particular telescope is a relatively affordable way to get started with satisfactory results.
The Starsense Explorer app is quite helpful in the initial steps, but it requires patience for familiarization and the first alignment.
A basic requirement for good results is suitable weather conditions, as well as proper mirror alignment.
This specific telescope model is a Newtonian Bird-Jones, and one of its main drawbacks is the collimation process, which needs to be done frequently, especially if the telescope is moved often. There are manual collimation methods, but for beginners, purchasing a laser collimator is helpful.
Important note: In order for the laser collimation to work on Bird-Jones telescopes, the corrector lens inside the focusing tube must be removed first.
You need a telescope if you want to observe something beyond the moon. It takes a lot of patience to learn how to aim, the trick with the mobile app is good but in the end it requires searching, it roughly takes you to the place where you need to do research. Observing in the city is tragic (beyond the moon) due to light pollution and heat from the rooftops of apartment buildings.
In general, I am still searching but I have not been able to see a star or a nebula even in the countryside. Much more detail is needed for planets like Saturn's rings, for example.
For 300+€, I expected something better, especially for beginners.
This telescope is not at all bad, and as a 12-year-old amateur astrophotographer, I would say it is a very good starting point for beginners. It is relatively easy to use and set up, as it uses an altazimuth mount, which I am familiar with. The only issue is that it takes a little effort to secure the front mirror so that you can see what the telescope is pointing at. Meanwhile, the starsense explorer app is very helpful in locating star clusters or nebulae. Planets are easy to locate with the naked eye and capture with this telescope. Moreover, with that app, you can even place your phone in the starsense holder and go through an alignment process to have it show you arrows pointing approximately where the telescope is pointing. Excellent!!
Good evening, the telescope does not live up to its promises. It requires many additional accessories in order to find and see the targets. I managed to see the Orion Nebula, but I am in an area with no light pollution, and even then, the situation is terrible. It is better to spend more money, around a thousand or more, in order to have a decent telescope
Guys, the telescope is perfect, easy to set up, includes step-by-step instructions, and comes with accessories like lenses and targeting through the smartphone app. So, it's easier to locate the point you want to see, like Saturn for example. Check out the photo I captured with my phone's camera.
The construction of the base is quite good, but it's not as stable in certain areas. It needs a more sturdy construction here. Also, the app doesn't work properly on some smartphones, despite having the Android version. It's one of the problems I encountered.
You can also find extra accessories, like a special base for the phone that allows you to view the sky and planets through the phone screen.
It's definitely worth the money.
I want to emphasize here that you can easily see Saturn, although it may be small, it's easily distinguishable. However, there is a natural logical problem due to the rotation of the Earth. You can't stabilize the telescope, and you will constantly need to move it. After a while, you will lose sight of it... and you will have to keep moving the telescope. This is perfectly logical. So, here you can get a robotic system or at least another base that moves automatically according to the rotation of the Earth.
Overall, it's a great starting point for anyone
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