AAO image reference AAT 59. « Previous || Next »
Top left is NE. Image width is about 22 arc min
Image and text © 1991-2005, Australian Astronomical Observatory, photograph by David Malin.
From the same plates that were used to make AAT 58, a deeper picture has been created to show much fainter galaxies. In the process the brighter details of M100 and the nucleated dwarf galaxy have been lost, but many other faint galaxies are seen. One seems to be involved with the faint outskirts of the large spiral. The somewhat distorted shape of the dwarf galaxy suggests it could be both influencing and being influenced by M100, and may be the cause of the asymmetry in the spiral arms seen in AAT 58. Nearby is an even fainter, elongated dwarf galaxy and elsewhere in the picture are several others, all probably members of the Virgo cluster, which spills over into the adjoining constellation of Coma Berenices. Many more can be seen on a deep image of this field.
AAT 58. Messier 100 (NGC 4321) in the Virgo cluster
n4321_d NGC 4321 (M100), deep image
Constellation of Coma Berenices (external site)
For details of photographic exposure, search technical table by AAT reference number.
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