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7331 and Stephan's Quintet (Quintet to lower left, including tidal tail from
NGC 7319) (image is
reduced-size | other sizes: medium
40 million light years to NGC 7331; Up to 300 million light
years for Stephan's
||Takahashi TOA-130F @ f/7.7
||Takahashi EM200 Temma II
||QSI 690wsg @ -15C
Night of First Light!!!
|| Astrodon Tru-Balance I-Series LRGB Gen
||7x10min L (bin1x1); 1x5min R, 2x5min ea
(bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias)
|12 December 2017 - Las Cruces, NM
Published as Astronomy Magazine
Picture of the Day, 19 Sep 18 (screenshot).
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This image is LRGB - one of the R channel frames was lost (long story), so
had to carefully manage color balance.
Copyright Jeffrey O. Johnson