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Steven Bellavia



Location of Photo:

Mattituck, NY, United States

Date/Time of photo:

02-02-2014, 2:30 to 4:00 AM


M81-M82-SN2014J_NGC_02-08-2014_Photo_Info: 2:30 to 4:00 AM, February 8th, 2014. Air temp 21 degrees F Seeing: 3/5; Transparency: 4/5 Occasional Cirrus clouds passing by - Camera: Canon EOS T3 - Scope: Orion 80mm f/5 (400mm focal length) "short Tube" achromatic refractor (with a 9x50 finderscope to find and center object) - Mount: A Celestron CG5/CGEM (No computer or guidescope capability). - Total of 48, 60-second long exposures, ISO 1600 (1/4 max for that camera). - 6 dark frames, 6 bias frame (at 1/4000th sec - fastest for camera), 2 flats. Canon Digital Photo Professional to convert all the Raw files into 16 bit TIFF files. Loaded the light, dark, bias and flat TIFF files into Deep Sky Stacker. It took 40 of the 48 light frames, registered and stacked them. Some post-processing using Digital Photo Professional and cropped and reduced size for E-mail


This is a photo of the galaxy pair, M81-M82. M82 had the light from a Type 1A supernova reach earth a few weeks ago. Although not an award winning photo, it was done with a $99 refractor, the "family" DSLR, and on an older tracking mount that has no guide-scope or GOTO capability. :)


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