comet Hartley 2 | Dag Orsic

Dag Orsic
Location of photo
Petrova Gora star party, Croatia
Date/Time of photo
October 10th 2010. 19:30
Telescope: Orion ED 80 + TS flattener + dew heater by Kruno Mount: Vixen GPDX not guided Camera: Canon Eos 5d mark2 at ISO 6400
Comet Hartley 2 shot during 45 min period. I wanted to capture it's tail if possible. Because of it's fast motion 30 sec exposures were used, and because of it's low brightness 90 immages have been stacked in DSS to have better signal/noise ratio. The idea worked and a faint tail stands out pretty nicely.
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