astroenthusiast 279 Posted June 7, 2021 The image of the Dumbbell Nebula was captured on 05/31/2021 at 1:52 am, using sixty sub-frames with a total exposure time of 50 minutes. The amateur astronomical equipment used was an Explorer Scientific ED 165 mm APO Air spaced Triplet refractor and a ASI2600 MC Pro CMOS color camera; with a temperature of -25 Celsius. 1 Link to comment
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