M65 (upper left) is a spiral galaxy about 35 million light-years away, M66 (upper right) is a spiral galaxy about 36 million light-years away, and NGC 3628 is an unbarred spiral galaxy about 35 million light-years away. All three are in the constellation Leo and are known as the Leo Triplet. NGC 3628 is unique because of the 300,000 light-years long tidal tail comprised of stars, dust, and gas.
Technical Information
Date: March, 2014
Location: Green Valley, Arizona
Telescope: Takahashi FSQ-106EDX
Camera: SBIG STT-8300M
Filters: Astrodon Gen 2
Mount: AstroPhysics 1200
Exposure: LRGB = 610:120:120:120 minutes, all unbinned
Software: Acquisition: Maxim DL 5, TheSkyX, Pinpoint, CCD Commander
Processing: CCDStack, PhotoShop CS6 with various plugins
Leo Triplet (M65, M66, and NGC 3628)