Exposure Info:
Optolong Red 2″: 35×300″(2h 55′) bin 1×1
Optolong Green 2″: 35×300″(2h 55′) bin 1×1
Optolong Blue 2″: 35×300″(2h 55′) bin 1×1
Optolong H-Alpha 3nm 2″: 45×300″(3h 45′) bin 1×1
Total Exposure: 12h 30′
Galassie
M51 – Whirpool Galaxy
Observation Info:
AR: 13h 29m 52.7s
DEC: +47° 11′ 43″
Distance: 31 Mly
Apparent Magnitude: 8.4
Contained Objects: IC 4277, IC 4278
Constellation: Canis Venatici
