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Thursday, September 26, 2013


Comet C/2012 S1 ISON and Asteroid 433 Eros, 25 September 2013

Comet C/2012 S1 ISON and asteroid 433 Eros captured on 25 September with iTelescope T4 at around 5:10 am local time in New Mexico, USA. The image is a stack of 10 x 60 second Luminance exposures. Images stacked then SUMMED using ImageJ, then contrast enhancement applied. click to embiggen Animation made from all 10 images. Contrast enhanced to see the comet tail better.

Comet C/2012 S1 ISON was further from asteroid 433 Eros this morning (compare with last nights images) . The Moon being rather close there was strong interference with the images. My run with T5 with an R band filter was not any improvement, with strong twilight interference.

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