Messier 42, NGC 1977 - Great nebula in Orion and Running man

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M 42 - great nebula in Orion and Running man NGC 1977
Object: Messier 42 - emission nebula, Orion
Coordinates: RA: 05h 35m 47s DE: -05° 08' 44", center of the image
Location, date: Bělečko (28.12.2008), Czech Republic
Telescope: Pentax SDHF
Focal lenght, speed: 500 mm, f/6.67
Camera: Canon EOS 300D, astrophoto modification
Senzor: 6.3 MPix APS-C, 22.7 x 15.1 mm, pixel 7.4 um
Expozure: 19x640 sec, 8x120 sec, 8x60 sec, 8x30 sec, 8x8 sec - ISO 800
Filter: -
Mount: Celestron CG5-Advanced GT
Pointer: Sky-Watcher, 75/500 mm