129 (Sh2-129) - Flying Bat Nebula (image above is reduced-size | other
1,300 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
||8x15min Ha; 3x10min L; 2x5min ea RGB (all
bin1x1); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias)
|29 October 2014 - Las Cruces, NM
as Astronomy Magazine Picture of the Day, 23 Jul 18 (screenshot).
Astronomy Magazine quarterly, Spring 2015 issue, pg 72 (screenshot).
This image is LHa_HaRGB, where Ha:R (80:20) was used for the Red
channel, and L:Ha (20:80) for Luminance.
Copyright Jeffrey O. Johnson