Eclipse 2017 Casper WY, Main Prominence Closeup IMG_0886

P. Thistlethwaite
Location of photo
Casper WY, Edness Kimball Wilkins State Park
Date/Time of photo
8/21/2017 11:46AM
Canon 7D; Canon EF 100-400mm f4.5-5.6L IS USM; Kenko Pro ND-1000000 solar filter
Extreme closeup on that big solar flare!
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.