Arp 224 (NGC 3921 & Companions)

  Arp 224 consists of the large galaxy a little southwest of center, the small galaxy about 2.5' NNE, and the tiny galaxy just west of the lower loop.  It is in the class Amorphous Spiral Arms.  The Atlas note says "straight filament leads to bright, offset nucleus".  I can't see this in either the Atlas image or mine, and I'm not sure exactly what it means.  The bright, nearly edge-on galaxy north and a little west on Arp 224 is NGC 3916.  There are several MAC galaxies in the field, and the western 80% of the field lies within Abell Galaxy Cluster 1400.

In the negative image, you can see a very large dust donut in the lower left corner of the field.  It must have settled in after I took my flats, because they don't remove it at all.

Atlas Image


  10-inch Newtonian, StarlightXpress MX716, 27 minutes
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