Three spiral galaxies shine high in the spring sky in the constellation Leo. These galaxies are about 35 million light years away.
M65 is in the upper-right, with M66 below it. NGC3628 is on the left. North is toward the upper-left corner.
TMB-130SS APO refractor at f/7 on an Astro-Physics 1200 equatorial mount
SBIG ST-8XM camera
SBIG CFW-10 filter wheel with Astrodon filters
Guiding: 60mm f/5 refractor and ST-402 camera
Imaging and autoguiding with MaxIm DL 4.62
Image calibration, registration, sigma-reject, mean-combine in CCDStack. (Some exposures were made at -25°C and some at -23°C. Corresponding dark frames were subtracted for each temperature.)
Levels, curves, highpass filter in Photoshop CS2.
|Date and Location||18-21 March, 2010 Montpelier, VA N 37° 49' 12", W 77° 42' 06"|