Comet ISON: Negative report down to mag 16.5 | Eric Allen

Eric Allen
Location of photo
Observatoire du Cegep de Trois-Rivieres, Champlain, Quebec, Canada, IAU #924
Date/Time of photo
Dec. 8th 2013, 11h00-11h20 UT
40cm F4.4 newtonian STXL-6303E
I tried to image what could be left of comet ISON and I unfortunately have to say that there is nothing that I can see down to about mag 16.5, not even a small condensation. Total exposure of 14m30s. Crop (25' x 25') of full field of 54' x 36'. The comet is not visible even though stars down to about mag 17 are seen.
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