2264 (Cone Nebula) and surroundings (image is reduced-size | other sizes:
2,700 light years
||Takahashi TOA-130F @ f/7.7
||Takahashi EM200 Temma II
||QSI 690wsg @ -15C
|| Astrodon Ha (3nm), Astrodon Tru-Balance I-Series LRGB Gen
||8x20min Ha, 2x5min L (bin1x1); 4x5min
ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias)
|15 December 2017 - Las Cruces, NM
Amateur Astronomy Picture of the Day
Published in Amateur
Astronomy Magazine quarterly, Summer 2018 issue, pg 71 (screenshot).
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