Small Telescope Challenge. How To See The POLARIS Double STAR скачать в хорошем качестве

Small Telescope Challenge. How To See The POLARIS Double STAR

This video from Northern Optics explores the challenge of using a small telescope to split the Polaris double star. Here is a summary of the key points discussed: Overview of the Challenge The Goal: The creator uses the Polaris double star as a benchmark to test the optical quality of small telescopes [00:01]. Historical Context: While famous astronomer Patrick Moore once suggested a 4-inch telescope was necessary for this feat, modern improvements in optics allow smaller 60mm or 70mm refractors to achieve it today [00:13]. How to Find Polaris Location: Polaris is located in the constellation Ursa Minor [00:40]. Star Hopping: You can find it by "star hopping" from the two edge stars of Ursa Major (the "plough" asterism), which point directly toward Polaris [01:04]. Properties: Polaris is a supergiant located approximately 431 light-years away [01:10]. The Technical Difficulty Magnitude Difference: Polaris is a bright second-magnitude star, while its companion is much fainter at roughly ninth magnitude (8.82) [01:18]. The "Glare" Problem: The real challenge isn't the physical separation (18.4 arcseconds), but the extreme contrast in brightness. The creator compares it to trying to see a candle placed right next to a bright car headlight [02:16]. Tips for Success Equipment Quality: Success requires a good quality telescope and eyepiece in perfect collimation [03:07]. Magnification: Increasing the magnification as much as is sensible for your scope can help darken the background sky and make the faint companion easier to spot against the glare [03:22]. Visit our website https://bit.ly/3htFtlS 0:00 Intro 0:40 How to find Polaris 1:15 About Polaris 1:55 Why is it a challenge 3:00 Observing advice 3:40 Summing up Ways to support the channel Send a Super thanks Become a member    / @44messier   Buy me a coffee https://bit.ly/4m2A3wX OR Ways to support the channel FOR FREE Like , subscribe and share Watch till the end Leave a (nice) comment Don't skip ads below 30 seconds long. The creator gets paid it you don't , and costs you nothing. As an affiliate, I earn a small commission from qualifying purchases made through links in this description at no extra cost to you. #ad High Point Scientific telescopes & binoculars https://bit.ly/4m2A3wX SvBony telescopes & binoculars https://bit.ly/4jJXdbI Stealth Birding https://stealthbirding.co.uk?sca_ref=...