Twitter | Facebook


M33 - NGC 598 (Triangulum Galaxy)     (image is reduced-size | other sizes:  medium , original)

Distance:  3 million light years

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 9x10min L (bin1x1); 4x5min ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias)

12,15 December 2017 - Las Cruces, NM

Published as Astronomy Magazine Picture of the Day, 21 Feb 18 (screenshot).
    - also on Twitter, here.

This image is LRGB and was imaged over 2 nights.

Copyright  Jeffrey O. Johnson

Content, Design, and Layout on this site are Copyright © Jeffrey O. Johnson | All rights reserved