
Iris Nebula (NGC 7023)
Bortle 4/5
Unmodded Sony a9
70-200 f/4 G OSS
Star Adventurer 2i
Processed on Siril
Photographed over 3 nights, each one with 4 hours worth of exposure on each.
480x 30s lights (x3)
30x darks and flats on each stack ( one for every night )
50x darks on each stack