Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  NGC 4290  ·  NGC 4335  ·  The star 70UMa
Winnecke 4 / Messier40, Kharan
Winnecke 4 / Messier40
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Winnecke 4 / Messier40

Winnecke 4 / Messier40, Kharan
Winnecke 4 / Messier40
Powered byPixInsight

Winnecke 4 / Messier40

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Description

Had some troubles with flat calibration with this one. Not sure if it was caused by reversing the filter wheel, collimation or the moonlight, but couldn't really stretch this image at all because of leftover dust artifacts.

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Winnecke 4 / Messier40, Kharan