NGC 457
open cluster in Cassiopeia
R.A.
: 01h 19m 32.6s,
De.
: +58° 17' 27" (JXXX)
Classification
: E
Visual Magnitude
:
Apparent Diameter
: 10'
Number of stars
: 100 stars of mags. 8+
Distance
: 9300 ly
from Burnahm's Celestial Handbook, and
NGCIC
Date
Lens
Exposition
2005/10/30
f=50mm, f/2.2
200s (50x4s)
Last update Jun 11, 2006 by
AK
.