Uploaded 18-Nov-09
Taken 12-Oct-09
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18 of 38 photos

NGC 6888

FULL SIZE: http://astroanarchy.zenfolio.com/img/v0/p748641014.jpg

Camera QHY9,

Optics Meade LX200 GPS 12" forced to @ f4.65
Guiding with SXV-AO active optics unit 11Hz
Filters
Baader H-alpha 7nm, 4.5h 20min subs
Baader O-III 8,5nm 2h 40min 20min subs binned 2x2
S-II 1h 5 min subs binned 3x3
-
Note. a special technique of mine is used to balance weaker channels with Hydrogen alpha.
Information about that tech. can be found HERE

NGC 6888

NGC 6888

FULL SIZE: http://astroanarchy.zenfolio.com/img/v0/p748641014.jpg

Camera QHY9,

Optics Meade LX200 GPS 12" forced to @ f4.65
Guiding with SXV-AO active optics unit 11Hz
Filters
Baader H-alpha 7nm, 4.5h 20min subs
Baader O-III 8,5nm 2h 40min 20min subs binned 2x2
S-II 1h 5 min subs binned 3x3
-
Note. a special technique of mine is used to balance weaker channels with Hydrogen alpha.
Information about that tech. can be found HERE