Comet C/2017 O1 ASASSN (Oct.21,2017)

José J. Chambó
Location of photo
Valencia, Spain
Date/Time of photo
Oct 21,2017 02:06 TU
GSO 8" f/3.8 & Atik 383L+
Comet C/2017 O1 (ASASSN) photographed on October 21th 2017, at time begun to go away from Sun as Earth. In spite of had a brightness drop of half magnitude until 8.5, still shown photographically a coma with 10' diameter, alhough with external layer very difuse, and also a faint tail of 20' long toward southwest.
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.


This site uses Akismet to reduce spam. Learn how your comment data is processed.