![]() Orion binoculars are known for quality optics at a great price. Not sure how to choose a telescope? Orion's Telescope Buyer's Guide is a great place to start. Because we sell direct, we can offer you tremendous value at a great price. From our entry level beginner telescopes for amateur astronomers to our Dobsonian telescopes to our most advanced Cassegrain telescopes and accessories, you can find the best telescope for you. Orion offers telescopes for every level: Beginner, Intermediate, Advanced, and Expert. Our 100% satisfaction guarantee says it all. Now an employee-owned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care. There were two additional sets available, but these are no longer on the official site.Since 1975 Orion Telescopes & Binoculars has been offering telescopes for sale direct to customers. There are US and ISO paper versions of each. ![]() They provide full-sky coverage in 25, 107, and 570 charts each, with contellation lines. This is a set of three atlases, with stars down to 9, 11, and 13th magnitude. There are two versions, with and without constellation lines, a manual, and an object index. It is optimized for A4 paper, and also incudes 2928 DSOs. This includes stars to magnitude 8.5 and provides full sky coverage in 149 charts. There are two versions, with and without constellation lines. ![]() This atlas is optimized for printing on A3 paper, and includes stars to magnitude 6.5 and includes about 500 DSOs. This is a specialized atlas with 36 charts containing 2053 double stars, with manual index. This is four simple charts with instructions for beginners on how to use them. The PDF is free for online use, and is $1 if you print it out. This is a set of finder charts with Telrad circles for the Saguaro Astronomy Club's list of the 110 best objects from the NGC catalog. Includes constellation lines, and stars down to 7th mangitude. Messier Finder ChartsĢ7 finder charts for the full Messier catalog. The charts themselves were generated with PP3, which is what is used by Wikipedia. This contains 21 charts with stars down to 7.25 and 550 DSO (which are indexed), and provides full sky coverage and constellation lines. There are 26 charts covering the whole sky, with an object index for each. The limiting magnitude is 8.5 for stars, and 12 for deep-sky objects (DSOs). This is a set of charts made with the JPARSEC library. ![]() Galway Sky AtlasĤ73 charts, covering stars down to magnitude 10.0 objects from the SAC Deep Sky database, generated from Asterope. This is a partially illustrated list of about 7000 deep sky objects from 90° N to 60° S. Deep Sky Objects Illustrated Observing Guide The declination range is 90° N to 58° S, and is optimized for A4 paper. This has 80 charts, and includes stars down to magnitude 9.5, and DSOs down to 12.5-13.5. This has full sky coverage, and is optimized for A3 paper. This has 101 charts, 21 detailed charts, and includes stars down to magnitude 10.2, and DSOs down to 14. It is also cross referenced to Uranometria and Sky Atlas 2000. This is a 40 page PDF listing 11000 DSOs with basic data, and small finder charts. They were generated with Skychart / Cartes du Ciel. This contains six charts with stars to about magtinute 6 and DSOs to about magnitude 9. Some of these links are currently broken. These are some free star atlases and specialized star charts I have found.Ĭontact me if there is anything inaccurate here, or if you know of something that should be listed. I have no problem paying for books and software, but I also like good, free resources when I find them.
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