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Uploaded 2-Nov-07
Taken 2-Nov-07
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Dimensions2031 x 870
Original file size847 KB
Image typeJPEG
Color spaceUncalibrated
Date modified2-Nov-07 21:46
Comet 17P/Holmes Tail very evident

Comet 17P/Holmes Tail very evident

After suffering rain on Wednesday night I was back on the 25" on the night of Nov 1/07. At 91X (40mm Optilux and Paracorr) it was easy to see that dramatic changes had taken place over the entire structure of the comet. First, there were two very bright field stars within the north west quadrant of the coma. Actually with this much aperture there are so many stars visible across the entire structure of the comet. The central fan shaped condensation was far less defined appearing more nebulous but clearly still trailed off to the west. The bright stellar pseudonucleus was still very apparent but had noticably dimmed and was beginning to blend into the condensation. It was the structure though of the previously circular coma that had changed the most. The eastern edge was still sharply defined but the entire edge of the western hemisphere was all jagged and elongating to the west, south west. The difference was quite dramatic. Then there was the very evident streamers blowing off of that in the same direction. They flowed right through the now much fainter outer halo and right out of the FOV.