NGC6888

 

NGC6888
Object NGC 6888 (Crescent Nebula)
Date July 2012
Telescope TS ONTC 12″ f/5.3
Reducer ASA 2″ 0,73 Reducer/Corrector
eff. FL & f-ratio 1180 mm f/3.9
Camera ATIK 383L+ Mono
Chip Temp -15°C
Filter Astronomik H-alpha 13nm
Baader RGB
Mount Losmandy G-11
Guider Starlight Xpress Lodestar (2×2 binning)
Subframes 14 x 440s H-alpha (2×2 binning)
12 x 300s R/G/B (2×2 binning)
Total exposure 4.7 hours
Capturing ACP + Scheduler
Reduction CCDStack 2+
Processing PixInsight