IC 1318 - Gamma Cygni


06.08.2010 00:35 to 08.08.2010 02:55
Az./Alt. positions: 182° / 87° to 276° / 63°
Ambient conditions: 18°C, transparency 4/5, seeing 5/5

Location: Villa Tatti, Tuscany, Italy

Telescope: Deltagraph 300mm f/3.3
Mount: CGE
Camera: SXVF-M25C
Guiding scope: Orion short tube 80mm f/5
Guiding camera: ATIK 16IC
Filters: IDAS LPS

Software: Maxim DL 5
FOV, Image scale: 62.5 x 54.8 arcmin, 1.62 arcs/pixel
Sub-exposures: 90 min (30 x 3min) light frames
No darks, 100 bias, 50x0.2s flats 

Images Plus 3.75: Calibration of light frames with bias and flats, DDP
Maxim DL: Stacking of calibrated frames with SDMask, color balance R85:G100:B120 
CS3: Curves and Levels, Carbonis Actions, GradientXterminator

In this test image Sadr is overexposed. Multiple exposures of different lengths could help to mitigate the unwanted reflections from this star. The air was incredibly stable, and th tracking was superb. In fact we have round stars all over the frame, an exception during those days. 

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