Object.................: NGC 1976 (M 42, Orion Nebula)
Coordinates............: R.A. = 05h 35.6m, DEC = -5° 27'
Optics / Telescope.....: Pentax SDUF II
focal length, f/ratio..: 400 mm, f/4
Total exposure time....: 150 min
Filter.................: CustomScientific H-alpha and Astronomik RGB
Film / CCD / guiding...: ST-10 XME, unguided
Date & location........: December 18, 2003, Schauinsland mountain
Author.................: Andreas Masche
Comments...............: (H alpha-R)GB, processed with MIRA and Photoshop
                          H alpha = 6 x 600 s, 6 x 240 s, 5 x 96 s, 6 x 38 s, 6 x 15 s
                          R = 6 x 120 s, 6 x 30 s
                          G = 6 x 120 s, 6 x 30 s
                          B = 6 x 180 s, 6 x 45 s
                          Center (region of Trapezium) from a pic of Achim Schaller (www.startrails.de), taken at f = 1000 mm