2017s3 20180717 1136 pbrias

C/2017 S3 (PANSTARRS) 2018. July 17 11:36 UT 610 mm f/6.5 now 180 sec exp. time (object tracking) courtesy by iTelescope.Net T24 Sierra Nevada Mountains, CA

Page last updated: Sun 2 Apr 08:11:29 BST 2023