Comet 2012 A2 LINEAR

Comet 2012 A2 LINEAR was a distant comet that reached a maximum magnitude of arounf 15, although there were some reports by visual onservers of it at magnitude 11. Such a discrepancy illustrates the difficulty of measuring comet magnitudes, and especially of matching CCD and visual measurements.


Comet 2012 A2 LINEAR. 20 November, 2012.
Combination of 5, 3 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 cassegrain at prime focus.


Comet 2012 A2 LINEAR. 2 December, 2012.
Combination of 5, 3 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 cassegrain at prime focus.


Comet 2012 A2 LINEAR. 20 January, 2013.
Combination of 5, 3 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 cassegrain at prime focus.