Celestial hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  12 Mon  ·  NGC 2237  ·  NGC 2238  ·  NGC 2239  ·  NGC 2244  ·  NGC 2246  ·  NGC 2252  ·  Rosette A  ·  Rosette B  ·  Rosette Nebula  ·  The star 12 Mon
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Rosette Nebula, Mark Wilson
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Rosette Nebula

Getting plate-solving status, please wait...
Rosette Nebula, Mark Wilson
Powered byPixInsight

Rosette Nebula

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Description

I took images over what I thought were 4 clear nights in mid-January. I took 70 images on 17 January, 60 images on 19 January, 89 images on 20 January, and 100 images on 21 January. Processing kicked out 18 bad frames from the last night and local normalization kicked out the other 82 frames from that night, 54 frames from the first night, and 40 frames from the second night. The total of 319 images was whittled down to 125. Dark frames: 30 from my -10C dark library. I took 30 Flats and 30 Flat Darks after each session for a total of 90 each. Challenges with the sky clarity and trying to manually line everything up on multiple nights probably contributed to the large number of rejected images.

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Rosette Nebula, Mark Wilson