Celestron nexstar 90 gt manual

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This manual is also suitable for: Cosmos 90gt Print page 1 Print document 8 pages. Rename the bookmark. Delete bookmark? Cancel Delete. Delete from my manuals? Sign In OR. Don't have an account? Sign up! The Beehive Cluster NGC in the constellation Cancer appears as a white smudge to the unaided eye, but the Cosmos 90 GT quickly transformed the open cluster into a swarm of pin-sharp stars, glistening with a steady white-blue.

The Beehive fits reasonably well in the telescope's field of view. Turning our attention to the brightest star in the constellation of Leo , Regulus, we were able to resolve it into a double star — Regulus A, which shines in a brilliant blue-white compared to its companion, the sun-like and golden star Regulus B — are excellent targets easily picked up by the refractor.

Slewing over to Gamma Leonis, another double star within Leo, we pushed the magnification of the telescope to 91x using the supplied 10 mm eyepiece. Intermediate spirals Messier 65 and Messier 66 offered good views under magnifications of 35x and 86x, with some dust lanes, glowing bulges and spiral arms visible.

A very good portable telescope for beginners and the whole family, the Celestron Cosmos 90 GT is an affordable instrument for those wanting to observe a variety of night sky targets with minimum fuss. The addition of eyepieces and red light function on the Cosmos Navigator app offers an excellent package and provides everything the skywatcher needs for a night of observing.

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: community space. She was elected as a fellow of the Royal Astronomical Society in Previously, she worked for Nature's journal, Scientific Reports , and created scientific industry reports for the Institute of Physics and the British Antarctic Survey.

She has covered stories and features for publications such as Physics World , Astronomy Now and Astrobiology Magazine. Home Reviews Skywatching. Our Verdict. For Sturdy, high-quality build Mount doesn't drain batteries Accurate alignment technology Supplied with sufficient accessories. Against Unusable without WiFi or handset False color visible in optics Not all database objects are visible. Space Verdict. Cons - Unusable without WiFi or handset - False color visible in optics - Not all database objects are visible.

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