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The Leo Triplet Of Galaxies
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Description: Image Data
Telescope: Vixen ED130 @ f/6.6
 CCD: QHY8 CCD Camera
 Mount: Orion Atlas EQ6
 Image: 6 x 15 min, 1 Hr 30 min
 Guider: Orion 80mm f/5, Orion Starshoot
 Location: Mt Pinos, Ca.
 Date:5/15/2010

Captured with MaximDL
 Guided with PHD
 Pre-processing: DeepSky Stacker
 Final Processing: Photoshop CS5
 Curves, Levels, Star Masking,
 Contrast Boost

The Leo Triplet (also known as the M66 Group) is a small group of galaxies about 35 million light-years away in the constellation Leo. This galaxy group consists of the spiral galaxies M65 (Bottom Left), M66 (Top Left), and NGC 3628 (Right).

Messier 66 (also known as NGC 3627) is an intermediate spiral galaxy about 36 million light-years away in the constellation Leo. It was discovered by Charles Messier in 1780. M66 is about 95 thousand light-years acrosswith striking dust lanes and bright star clusters along sweeping spiral arms.

Messier 65 (also known as NGC 3623) is an intermediate spiral galaxy about 35 million light-years away in the constellation Leo. It was discovered by Charles Messier in 1780. To the eye, M65's disk appears slightly warped, and its relatively recent burst of star formation is also suggestive of some external disturbance. Rots (1978) suggests that the two other galaxies in the Leo Triplet interacted with each other about 800 million years ago. Recent research by Zhiyu Duan suggests that M65 may also have interacted, though much less strongly. He also notes that M65 may have a central bar—it is difficult to tell because the galaxy is seen from an oblique angle—a feature which is suggestive of tidal disruption.

NGC 3628 is an unbarred spiral galaxy about 35 million light-years away in the constellation Leo. It was discovered by William Herschel in 1784. It has an approximately 300,000 light-years long tidal tail.

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Posted by: TT (wasPW) November 05, 2014, 08:00:06 AM

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