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M27wide acl200 2600 g200 br25 Nbz 26F 780S NoEdit 08252023m


M27wide acl200 2600 g200 br25 Nbz 26F 780S NoEdit 08252023m

M27 (Dumbell Nebula) wide-field with NGC 6830, NGC 6823 (Sh 2-86) and Sh 2-88
AM5 (unguided), ACL200 f/4, ASI2600MC-Pro with NBZ filter
Gain=200, Br=25, Exp=30s, WB (B)=50, (Red)=50, Temp=10
SharpCap 4.1, flat(bias) and dark applied, linear gradient removal,
satellite removal, unsharp mask (luminance), bilateral filter,
histogram stretch 4






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