NGC 4490 - Cocoon Galaxy - 180415

NGC 4490, the Cocoon Galaxy, is a barred spiral galaxy that can be seen interacting with its smaller companion NGC 4485, resulting in it being a starburst galaxy similar to M82. It lies in the constellation Canes Venatici at a distance of 25 million light years from Earth.

This image is a cropped DSS stack of 49 ten-minute frames taken with my QHY247C at default deep sky gain settings on my 11" Edge HD. The image was processed in a back and forth combination of PixInsight and Photoshop.

Astrometry Details

Image Center: View full size annotated image.
   Right Ascension: 12h 30m 35.817s (187° 38m 57.255s)
   Declination: +41° 39m 7.654s
Orientation: Up is 180.7 degrees East of North.
Image Size: 17.345' x 14.233' Pixel Scale: 0.288"

Identified Objects


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