Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  NGC 6888
NGC 6888, James Schrader
NGC 6888
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NGC 6888

NGC 6888, James Schrader
NGC 6888
Powered byPixInsight

NGC 6888

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Description

Had an entire week of clear weather last week and was able to capture a decent amount of subs on NGC 6888. This was a fairly difficult image to capture. I had to gather a lot of OIII subs, and the star field around the nebula was difficult to keep under control in post-processing. This is a bi-color narrowband composition, with red mapped to hydrogen alpha and blue/green channels mapped to oxygen iii. Details are below.

Hydrogen Alpha: 40 x 900s, Bin 1x1

Oxygen III: 42 x 900s, Bin 1x1

Bias: 350

Sensor Temp: -18C

Equipment: Atik 428EX Mono, Orion 8" F/3.9 Newtonian Reflector

Processed in Pixinsight

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NGC 6888, James Schrader