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Polar ring galaxy NGC660

Technical card

Imaging telescope or lens: Ceravolo 300 Astrograph (f/4.9)

Imaging camera: FLI PL-16803

Software: DC-3 Dreams ACPMaxim DL

Filter: Astrodon E-series 2 LRGB

Resolution: 2680x1896

Frames: 106x900"

Integration: 26.5 hours

Astrometry.net job: 1114899

Description

NGC660 is an unusual polar ring galaxy approximately 45 million light years away in Pisces. Polar ring galaxies have an outer ring of gas and stars that rotates over the poles of the galaxy. They are thought to be created by tidal accretion of matter from another passing galaxy or by galactic mergers. In the case of NGC660, the ring is actually at a 45 degree angle to the poles which makes it more likely to have been formed by accretion. It is also a starburst galaxy with star formation happening at an extremely rapid rate.

There are two revisions of the image. The first is the full field and the second is a crop of the region around NGC660.

The data for this image was captured at SRO in California between Dec 2015 and Feb 2016,

Acquisition credit: John Kasianowicz, Daniele Malleo, Leonardo Orazi, Rob Pfile, Rick Stevenson and Jerry Yesavage.

Processing credit: Rick Stevenson

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Author

Rick Stevenson
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Revisions

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Polar ring galaxy NGC660, Rick Stevenson