Astronomy (Period 7)
Course Description
Astronomy Calendar of Celestial Events
for Calendar Year 2015
Upcoming Assignments See all
Could not find any upcoming assignments due.
Posts
The Cave Nebula
Bernard Miller from Gilbert, Arizona
The Cave Nebula (Sharpless 2–155) is a large emission nebula in the constellation Cepheus the King. It lies some 2,400 light-years away. (5.6-inch Telescope Engineering Company TEC-140 refractor at f/7, SBIG ST-8300M CCD camera, HαLRGB image with exposures of 2, 2, 1, 1, and 1 hour, respectively)
