Dr Alan Potts
Location of Photo:
Date/Time of photo:
23rd September, 2016
7-inch Maksutov-Newtonian with Nikon D3300 DSLR (at 3200 ISO sensitivity).
An 11m 38s exposure (total of 13s and 15s subframes) with the 7-inch MN. M15 is one of the best, brightest, richest globulars in the Northern skies.