M3 in Canes Venatici | Craig & Tammy Temple

Photographer
Craig & Tammy Temple
Email
hootbrewer@bellsouth.net
Location of photo
Hendersonville, TN
Date/Time of photo
April 16, 2009
Equipment
Orion 80ED (f/7.5); Atlas EQ-G w/EQMOD, Guided; Canon 350D (self-modified) with Astronomik IR-block EOS clip filter + 2" Hutech IDAS LPS filter; 40 x 150s @ ISO 1600
Description
This globular cluster in Canes Venatici was discovered by Charles Messier in 1764. It is made up of about 500,000 stars. At magnitude 6.2, is is visible to the naked eye in very dark skies. This image is a total of 100 minutes and the temperature was 56° F. The mag. 14.1 galaxy NGC5263 is visible above M3 near the top of the image.
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