Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  35 nu. And  ·  Andromeda galaxy  ·  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 206  ·  NGC 221  ·  NGC 224  ·  The star νAnd
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Messier 31, Dean Jacobsen
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Messier 31

Getting plate-solving status, please wait...
Messier 31, Dean Jacobsen
Powered byPixInsight

Messier 31

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Description

This is a test image for the FSQ-106 f/3 reducer-to-detector spacing. I have almost eliminated the radial star elongation at the corners of the ASI1600MM detector. The image was taken under very bad seeing conditions.

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Messier 31, Dean Jacobsen