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Gary W. Kronk



Location of Photo:

Madison County, Illinois

Date/Time of photo:

2010 June 16 about 9:00 UT


A Canon EOS T2i DSLR shooting through an Orion EON 80mm Apo refractor, which was mounted piggyback on an 8-inch Meade LX-200 set on a Meade Ultra Wedge attached to a permanent pier.


This is comet C/2009 R1 (McNaught) on the morning of 2010 June 16. I had to wait until about 3:55 a.m. CST (8:55 UT) for the comet to finally clear the wall of my observatory, at which time I noted twilight was beginning. I combined three 30-second exposures obtained at ISO 1600. Although these were color images, I opted to convert them to black and white to darken the sky and bring out the tail.


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