Written by Admilson Pinto
|
Thursday, 29 January 2009 00:00 |
M 42 – Great Orion Nebula Date/time: 03.01.2009 23:13 to 04.01.2009 00:25 Az./Alt. positions: 180° / 35° to 201° / 32° Ambient conditions: -10°C, transparency 4/5, seeing 3/5, ¼ Moon, Moonset at 00:10 Location: Trier, Germany
Equipment: Telescope: TMB 92 SS f/5.5 with TSFlat Mount: CGE, selfguided with ST-4000XCM Camera: SBIG ST-4000XCM Filters: IDAS LPS Acquisition: Software: CCDSoft V5 FOV, Image scale: 102,8 x 102,8 arcmin, 3,01 arcs/pixel Sub-exposures: 30min (15 x 2min) lights at –30°C 46 dark frames Processing: Calibration, stacking and DDP in Images Plus 3.75, curves and levels adjustments in CS3, noise reduction with Carbonis Actions, color enhancement using Gabany method under CS3, non-linear saturation curve in Pixinsight LE 1.0. Comments: This was the first set of frames intended to be used for a composite image. Due to worsening weather conditions the session had to be interrupted.
Download full size image:Information Filename: nebulae/m42_2009-01-03_full.jpg Filesize: 1784948 Kb Download limit: unlimited
|
Last Updated on Thursday, 05 March 2009 11:43 |