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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
NexStar Evolution 6" SCT – Mile High Astronomy
The NexStar Evolution and SkyPortal User's Guide (The Patrick Moore Practical Astronomy Series): Chen, James L., Chen, Adam: 9783319325385: Amazon.com: Books
The NexStar Evolution and SkyPortal User's Guide (The Patrick Moore Practical Astronomy Series): Chen, James L., Chen, Adam: 9783319325385: Amazon.com: Books