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Photographer:

Richard & Margaret Schmidt

Email:

schmidt.rich@gmail.com

Location of Photo:

Washingon DC

Date/Time of photo:

1 Nov. 12:37-12:49 am

Equipment:

US Naval Observatory 12-inch refractor, Nikon D100 prime focus ISO 6400 stack of 25 exposures 20-seconds each.

Description:

This image shows the still bright but considerably faded nucleus of Comet Holmes with a tail streamer extending to the southwest about 2 arc minutes in length. This rotational gradient image was made from differencing the original image with two copies rotated plus and minus 15 degrees. The telescope is a vintage refractor made in November 1892, the discovery date of the comet.

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