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

NGC 6888

This image was selected to National Geographics "Daily Dozen"

http://astroanarchy.blogspot.com/2009/09/ngc-6888-in-national-geographics-daily.html

FULL SIZE: http://astroanarchy.zenfolio.com/img/v3/p812648364.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

This image was selected to National Geographics "Daily Dozen"

http://astroanarchy.blogspot.com/2009/09/ngc-6888-in-national-geographics-daily.html

FULL SIZE: http://astroanarchy.zenfolio.com/img/v3/p812648364.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