Location of photoDenver Colorado
Date/Time of photo20 September 2017, 1129UT
Equipment11" SCT f/6.4 and STF-8300M CCD Camera
DescriptionComet 90P/Gehrels was at Perihelion on June 19 during it's orbit of 14.95 years. The comet was about magnitude 18 in these images and 260 Million Miles from Earth. The upper right insets show a single 600 second image of the comet.