M 42


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

Telescope: TMB 92 SS f/5.5 with TSFlat
Mount: CGE, selfguided with ST-4000XCM
Camera: SBIG ST-4000XCM
Filters: IDAS LPS

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

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.

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:

Filename: nebulae/m42_2009-01-03_full.jpg
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