astroenthusiast 279 Posted April 11, 2021 The image of the galaxy M87 (center, right) was captured using 200 sub-frames at 30 second exposures each, with a camera gain of 220. Some light pollution is still present. The camera temperature was set at -19.5C. The telescopic instrument used, Explore Scientific ED 165 mm APO refractor, and 0.65x focal reducer & flattener. There are multiple other galaxies present. 1 Link to comment
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