Moderator Challenge - Any Supernova Remnant  
M1, Crab nebula

M1, Crab nebula(Jon Sigurdsson)

Acquisition Date : 11.Desember
Camera : Canon EOS 350D
Camera Settings : 23x6 minutes, Iso 1600, 19 darks, flats, Bios.
Daylight.
Telescope : Orion ED80 at F/7.5
Mount : Celestron CG-5
Adapter / Prime / Afocal / Other : Guiding Celestron C6 at F/6.3, Creative Live Ultra web cam.
Processing Package / Processing Applied : Deep sky stacker, Photoshop CS3
NOTES : My first time using Deep sky stacker. just love this free program.

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