NGC 581 (M103)

open cluster in Cassiopeia R.A.: 01h 33m 21.7s, De.: +60° 39' 29" (JXXX) Classification: Visual Magnitude: 7 Apparent Diameter: 6.5' Number of stars: 40 stars of mags. 8-12 Distance: 8000 ly from Burnahm's Celestial Handbook, and NGCIC