Exposure Info:
Optolong Luminance 2″: 360×300″(30h) -10°C bin 1×1
Total Exposure: 30h
Galassie
NGC 4631 – NGC 4656
Observation Info:
AR: 12h 42m 49.10s
DEC: +32° 20′ 33.7″
Distance: 12 Mly
Apparent Magnitude: 9.1
Constellation: Canis Venatici
