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Uploaded 26-Oct-07
Taken 25-Oct-07
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Dimensions1024 x 768
Original file size122 KB
Image typeJPEG
Color spacesRGB
Date taken25-Oct-07 20:31
Date modified26-Oct-07 02:27
Shooting Conditions

Camera makeFUJIFILM
Camera modelFinePixS2Pro
Focal length (35mm)0 mm
Exposure30s at f/NA
FlashNot fired
Exposure bias0 EV
Exposure modeManual
Exposure prog.Manual
ISO speedISO 100
Metering modePattern
Comet 17P/Holmes: October 25th 2007

Comet 17P/Holmes: October 25th 2007

This is my first snapshot of this most unusual comet. The starfield was imaged using a Televue NP101is and a Fuji Finepix S2 digital body. The head of the comet looks very circular but overexposed at 30 seconds. Shorter exposures of 1 second were used for the stacked image in the inset. Here the pseudo-nucleus is visible and a very distinctive halo.

Telescope: Televue NP101is
Camera: Fuji Finepix S2
ISO: 400
Exposure: 30 seconds for starfield; 1 second for comet head. effective aperture for starfield f/5.4 for comet head f/11 using 2x Powermate.