Written by Admilson Pinto
|
Thursday, 29 January 2009 00:00 |
NGC 7635 – The Bubble Nebula
Date/time: 18.07.2010 00:30 to 18.07.2010 02:00 Az./Alt. positions: 44° / 50° to 46° / 61° Ambient conditions: 15°C, transparency 5/5, seeing 5/5 Location: Aach, Germany Equipment: Optics: Deltagraph 300mm f/3.3 Mount: CGE Guiding scope and camera: Orion 80mm f/5 with Atik 16IC Camera: SXVF-M25C Filter: IDAS LPS Acquisition: Software: MaximDL 5 FOV, Image scale: 54.5 x 82.0 arcmin, 1.62 arcs/pixel Sub-exposures: 1h 40min (20 x 5min) lights with dithering No dark frames 20 x 0.02s EL flats
Processing: MaximDL 5: Calibration and Sigma stacking Images Plus 3.75: Digital development CS3: Curves and levels adjustments, Surface blur, GradientXterminator
Comments: This is the last test image with the Deltagraph before my next astro holidays in Italy. Colimation is not yet perfect. Flats with EL sheet worked fine. Anyhow light pollution gradients had to be treated with GXT.
Download full size image:Information Filename: nebulae/m52_2010-07-17_full.jpg Filesize: 4442589 Kb Download limit: unlimited
|
Last Updated on Tuesday, 20 July 2010 10:51 |