M13 Skywatcher 150/750PDS + 0,9x coma corrector Skywatcher HEQ5 Nikon D5200 modified (APS-C dslr) Baader Neodymium moo&skyglow filter 61x4 minutes (total 5 hours 24minutes) @ ISO 800 25 dark frames 40 flat frames 40 bias frames Location: Woerden, The Netherlands (bortle 6)

M61, with supernova SN AT2020jfo 13-05-2020 Skywatcher HEQ5 Skywatcher 150/750PDS and 0,9x coma corrector focal length 680mm Nikon D5200 modified (APS-C dslr) Baader Neodymium moon&skyglow filter 35x 3minutes (total 1 hour 35 minutes) @ ISO400 25 dark frames 40 flat frames 40 bias frames Location: Woerden, the Netherlands (Bortle 6) 13-05-2020 Supernova measured with aperture photometry in PixInsight at magnitude +14,4

M15 Skywatcher 150/750PDS + 0,9x coma corrector Skywatcher HEQ5 Nikon D5200 modified (APS-C dslr) Baader Neodymium moo&skyglow filter 113x3 minutes (total 5 hours 39 minutes) @ ISO 400 25 dark frames 40 flat frames 40 bias frames Location: Woerden, The Netherlands (bortle 6)