astroinformatics.de

Telescope: Vixen VC200L, focal reducer f/6.4, Sphinx SXD
Camera: Canon EOS 40D, 800 ASA
Exposure: 170 x 30s
Calibration: Dark (200 images), sky flatfield (100 images, low pass filter)
Image Processing: Shift & add with correction of subpixel movement, improved noise reduction
Date of exposure: 29 December 2008
Software: ArgusPro SE
Remark: A close look confirmed the supernova remnant of SN 2004DJ in the image