Comet C/2012 S1 (ISON) | Michael Cook

Michael Cook
Location of photo
Newcastle, Ontario CANADA
Date/Time of photo
February 10, 2013 01:27 UT
Meade 0.4m ACF on Mathis MI-600 fork mount, QSI 516ws CCD
The comet is shown here over a 60 minute period by taking 10, 600s exposures in the Rc-band. It is almost 4 AU (almost the distance to Jupiter), or 600 million km away. That's 32 light-minutes. Photometry puts it at Magnitude 15.6 with a small coma and the beginnings of a tail in position angle 105 degrees.
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