M91 - NGC 4548
DSS image of M91
Overlaid DSS image of M91, 30' x 30' with north at top and west to the right

Aladin viewer for the region around M91
H II 120, h 1345, GC 3093, MCG +03-32-075, UGC 7753, PGC 41934, SDSS J123526.45+142946.8

Type  Galaxy
Magnitude  10.2
Size  5.4' x 4.3' @ 150°
Right Ascension  12h 35' 26.4"  (2000)
Declination  14° 29' 47" N
Constellation  Coma Berenices
Description  B, L, lE, lbM
Classification  SBb
Observing Notes

Andrew Cooper
Jun 4, 2005    Vekol Ranch, Maricopa Co., AZ (map)
46cm f/4.5 Deep Violet

Good sized, round even halo with no structure, halo quite extended and dim distinct core

Charles Messier
Mar 18, 1781    

Nebula without star, in Virgo, above the preceding No. 90, its light is still fainter than that of the above [M90]"
― Connaissance des Temps, 1781
Other Data Sources for M91
Nearby objects for M91
Credits...

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

A complete list of credits and sources can be found on the about page

M91