17P/Holmes
 

The comet has suffered a mega-outburst on Oct 25 2007, and thus its magnitude increased rapidly to 2 from 16 unbelievablely.
 
2007 Oct 26 18:15 UT, 10cm 28x 17:15 UT, 10cm 70x
Note: stellar shape with a fuzzy edge; clouds; extremely hazy sky; full moon and city light pollution;
Brightness and something else necessary are measured. cf.
Comet observations


 

2007 Nov 10 21:25 UT, 10cm 28x 20:25 UT, 10cm 70x
Note: coma obviously in two storeys; extremely faint tail towards SW; clear sky; city light pollution;
Brightness and something else necessary are measured. cf.
Comet observations

Here is a comparison photo taken by Reiner Guse. Copyright reserved.

2007 November 10   20.17 UT Borg ED 101 4'' f = 0,64m, 20 x 30sec, Starlight SXV-H9C CCD



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