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OBJECT

Seagull Nebula (IC 2177) (image is reduced-size | other sizes:  medium , original)

Distance:  3,800 light years

Telescope Takahashi FS-60C @ f/6.2
Mount Takahashi EM200 Temma II
Camera QSI 540wsg @ -15C
Filters Astrodon Ha (3nm), Astrodon Tru-Balance I-Series LRGB Gen 2
Guider SX Lodestar
Settings 9x20min Ha, 3x5min L (bin1x1); 3x5min ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias)
Date/Location

Notes
13 January 2016 - Las Cruces, NM

Published in Astronomical League's quarterly Reflector Magazine, Mar 2017 issue, pg 26 (screenshot).
Published
by Space.com on Facebook and Twitter, 31 May 16.

This image is LHaRGB, where Ha was used in combination with Luminance and Ha:R (80:20) was used for the Red channel.

Copyright  Jeffrey O. Johnson

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