Cave nebula

Photographer
Thomas LELU
Email
thomas.lelu@yahoo.fr
Location of photo
Lorraine - FRANCE
Date/Time of photo
2018, September
Equipment
ASA10'' on Paramount MyT and Moravian G2-4000 CCD
Description
Sh2-155 (also designated Sharpless 155 or S155) is a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity. Sh2-155 is an ionized HII region with ongoing star formation activity, at an estimated distance of 725 parsecs (2400 light-years) from Earth.
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.

COMMENT

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