Rosette Nebula in narrowband | Mike Chasin

Mike Chasin
Location of photo
Tierra del Sol, CA
Date/Time of photo
QSI 683 WSG with Astrodon Hydrogen alpha, Oxygen 3, and Sulfur 2 filters. Televue 127is, f5.2 scope Paramount MX Mount.
This unusual narrowband image is the result of 16.5 hours of exposure time, displayed in a modified SHO format. The Rosette Nebula is a great narrowband target because its appearance varies significantly between Hydrogen alpha, Oxygen 3, and Sulfur 2 filters.
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.