Page 38 - Astronomy Hub
- July 15, 2019
A catadioptric telescope is an optical system that is optimized for producing images of objects at an infinite distance, incorporating both refractive optics (lenses) and reflective optics (mirrors). Because both mirrors and lenses are used in catadioptric...
- July 12, 2019
You might be tempted to wait until the next full moon to get a good view of everything there is to see, but surprisingly enough, this actually isn’t the best time for lunar observation. The Moon is “full” when the Earth is between the Sun and the Moon...
- July 12, 2019
While it doesn’t 100% prevent dew buildup the entire night, a dew shield will prevent dew from immediately forming on your front-end lens or corrector plate. The dew shield will also help insulate your telescope, keeping it warmer and the temperature...
- July 12, 2019
We live in an age where it’s all too easy to go outside with your smartphone or a GoTo telescope, point it at the sky, and have it show you where to look. A GoTo telescope can even suggest something exciting and aim itself at that object. But a...
- March 13, 2019
Observatories are home to some of the biggest and most impressive telescopes in the world. As many amateur astronomers know, there are many ways to experience the night sky beyond looking through a backyard telescope. There is an impressive number of...
- February 22, 2019
Observatories are home to some of the biggest and most impressive telescopes in the world. As many amateur astronomers know, there are many ways to experience the night sky beyond looking through a home telescope observatory in your own backyard. Arizona...
- January 28, 2019
Observatories are home to some of the biggest and most impressive telescopes in the world. As many amateur astronomers know, there are many ways to experience the night sky beyond looking through a telescope in your own backyard. California has an impressive...
- September 18, 2018
The rate at which technology has progressed over the past few decades has been nothing short of miraculous and considering that Astrophotography is a hobby built on cutting-edge technology, there should be no surprise that it has progressed along at a...
- June 13, 2018
Turn off your lights and head outside on a clear, dark night. Leave your cell phone behind. If you have a planisphere, bring it with you. A planisphere, or star wheel, is a simple way to locate which constellations are up and where they are placed in...
- May 30, 2018
In late July of this year, there is an exciting opportunity to see Mars at its best! The “Red Planet” will be at opposition, which means it will be opposite the Sun as observed from Earth. At a distance of only 35.8 million miles, it will be closer to...
- May 30, 2018
At some point, most amateurs will try their hand at imaging the moon and planets. Using modern techniques, these very bright targets can be captured in high resolution without the need for investing many thousands of dollars in gear. All that is needed...
- May 28, 2018
For planetary viewing, the most useful eyepieces are those that provide about 100X magnification and either a second eyepiece or a Barlow lens that will work with your eyepiece to achieve, on average, somewhere between 100X to 250X magnification. It's...
- May 14, 2018
Everyone should own a decent pair of full-sized binoculars, and not just because they will enhance the views of our biggest and brightest planets. A good pair of binoculars will serve you well throughout your life and allow you to enjoy concerts, sporting...
- May 07, 2018
This summer, millions of people will turn their eyes and telescopes skyward to gaze at Jupiter, Saturn, and Mars in all their glory. All three planets reach opposition between the months of May and August, and that means they'll be closer and brighter...
- September 20, 2016
The Celestron CGX is Celestron's newest addition to its already robust line of equatorially mounted telescopes. Celestron's CGX combines years of input from amateur astronomers along with the expertise of Celestron's product engineers to deliver the most...
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