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The Cocoon Galaxy
NGC 4490

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DESCRIPTION
This pair of galaxies often goes by the nickname of the "Cocoon Galaxy." Each "blob" is actually a spiral galaxy that has been distorted by the other. Hints of spiral structure are still evident in the smaller galaxy. These galaxies have already passed their closest approach (perigalacticon) and are now speeding away from each other. A tail of stars stretches between the galaxies which are separated by at least 24,000 light years. All of this action takes place 40-50 million light years away. (Source: NOAO)


Constellation: Canes Venatici - Distance:
RA: 12h 30.6m - DEC: +41d 38.0m - Magnitude: 9.8 - Apparent Size: 5.9 arc minutes
Date Taken: 04-05-06
Telescope: Celestron C9.25 @ F/10
Camera: SBIG ST10XME
Rotator: Optec Pyxis
Filter Wheel: Optec IFW 50mm
Focuser: Optec TCF
Mount: Software Bisque Paramount ME
Filters: Astrodon CRGB
Guider: Self Guided

Image Aquisition: CCDAutoPilot 3.0 Pro
Image Processing: CCDStack
Post Processing: Photoshop CS