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The NexStar Evolution and SkyPortal User's Guide (The Patrick Moore Practical Astronomy Series): Chen, James L., Chen, Adam: 9783319325385: Amazon.com: Books
Celestron NexStar 8SE [10/185] Selecting an object
The NexStar Evolution and SkyPortal User's Guide (The Patrick Moore Practical Astronomy Series): Chen, James L., Chen, Adam: 9783319325385: Amazon.com: Books
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