Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
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Upper_Right_Sh2_171 (Upper Right SH2 171), Omar Radwan
Upper_Right_Sh2_171 (Upper Right SH2 171)
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Upper_Right_Sh2_171 (Upper Right SH2 171)

Getting plate-solving status, please wait...
Upper_Right_Sh2_171 (Upper Right SH2 171), Omar Radwan
Upper_Right_Sh2_171 (Upper Right SH2 171)
Powered byPixInsight

Upper_Right_Sh2_171 (Upper Right SH2 171)

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Description

Second Light Image using the RCOS 16". This time around I was trying to determine the best camera setting to use. Having tried Bin 3 I was not happy with the amount of noise in the raw frames.  Switching to Bin 2 made a huge difference but at .45 arcsec\pixel. Normally I try to stay about .55 but being a Bortle 1 Sky helps. My end results were Bin 2, Mode 0, Gain 26, Temp -10, and Offset 11. I will bump the offset up slightly as I noticed some clipping on the black point. I do have to address a collimation issue to get the stars right.

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Upper_Right_Sh2_171 (Upper Right SH2 171), Omar Radwan

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