Comet C/2017 T1 Heinze brightens as it approaches Earth

Mike Olason
Location of photo
Denver, Colorado
Date/Time of photo
22 December 2017, 0911UT
11" SCT f/6.4 and STF-8300M CCD Camera
Comet C/2017 T1 Heinze will make a close approach to Earth on January 4, 2018 when it will be about 20 million miles from Earth at about magnitude 10. This animation is 3 images each 60 seconds long with a 3 minute interval between images. Comet Heinze is magnitude 13.1 in this animation.
All comments must follow the Sky & Telescope Terms of Use and will be moderated prior to posting. Please be civil in your comments. Sky & Telescope reserves the right to use the comments we receive, in whole or in part, and to use the commenter’s username, in any medium. See also the Terms of Use and Privacy Policy.