Siamese Twins  NGC4568

Siamese Twins NGC4568

Constellation: Virgo
Ra: 12h 37m 7s
Dec: +11d 11m 41s
Distance: 92 million light years
Image Size: 36' x 36'
North: Upper left



NGC 4567 and 4568, the Siamese Twins or the Butterfly Galaxies, are a pair of connected, interacting galaxies about 92 million light years away in the constellation Virgo. They were discovered by Herschel in 1784. They have an apparent magnitude of 10.6 and are ~ 4.6 arcmin in size. The magnitude 11 elongated galaxy to the right is NGC 4564.

Exposure: 8 hrs Total: 3.5 hrs Lum; 1.5 hrs each RRG
Telescope: RCOS 16" RC f/8.9 tube
Mount: Software Bisque Paramount ME
Oag: Astrodon MonsterMOAG
Acquisition: CCD AutoPilot3
Calibration: CCDStack
Observatory Site: Sierra-Remote Observatories, Shaver Lake, CA
Camera: Apogee U9000
Filters: Astrodon Gen 1 LRGB
Guider: SBIG ST-402
Camera Operation: MaximDL4.62
Processing: Photoshop CS2
Image Date: 05/08/2008

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