NGC 7331 and Stephan's Quintet (Quintet to lower left, including tidal tail from NGC 7319)    (image is reduced-size | other sizes:  medium , original)

Distance:  40 million light years to NGC 7331; Up to 300 million light years for Stephan's Quintet galaxies

Telescope Takahashi TOA-130F @ f/7.7
Mount Takahashi EM200 Temma II
Camera QSI 690wsg @ -15C    Night of First Light!!!
Filters Astrodon Tru-Balance I-Series LRGB Gen 2
Guider SX Lodestar
Settings 7x10min L (bin1x1); 1x5min R, 2x5min ea GB (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).

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

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