2017-06-11 ========== Moore Observatory CDK20N grizb filters J. Kielkopf Images in 3 Sloan filters taken about 3 minutes apart r' is red g' is blue-green i' is near infrared c2015v2johnson_00015_r_dw.fits 2017-06-12T02:51:03.183 120 seconds c2015v2johnson_00016_g_dw.fits 2017-06-12T02:54:00.429 120 seconds c2015v2johnson_00017_i_dw.fits 2017-06-12T02:58:13.450 120 seconds These files show the comet with about the same brightness in each image. The images have been centered on a star that is in the field. The comet moves appreciably during the exposure, and from one exposure to the next. c2015v2johnson_00015_r_dw.png c2015v2johnson_00016_g_dw.png c2015v2johnson_00017_i_dw.png