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Nebula (IC 2177)
(image is reduced-size | other sizes: medium
3,800 light years
||Takahashi FS-60C @ f/6.2
||Takahashi EM200 Temma II
||QSI 540wsg @ -15C
|| Astrodon Ha (3nm), Astrodon Tru-Balance I-Series LRGB Gen
||9x20min Ha, 3x5min L (bin1x1); 3x5min
ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias)
|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
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