Open Cluster M103

The open cluster M103 = NGC 581 is roughly 20 Myr old, at a distance modulus of (m - M) = 12.89 = 3.8 kpc.

  RA  =  01:33:23 
  Dec = +60:39:00

• Link to SIMBAD entry for M103
• Link to WebDA entry for M103

Finding chart for visual use, field of view roughly 20 degrees:

R-band finding chart, roughly 9x9 arcminutes:

K-band finding chart, slight larger (11x11 arcminutes)

Copyright © Michael Richmond. This work is licensed under a Creative Commons License.