Berkeley 3
DSS image of Berkeley 3
Overlaid DSS image of Berkeley 3, 30' x 30' with north at top and west to the right

Aladin viewer for the region around Berkeley 3
Stock24, Lund 22, C 0036+616, OCL 302

Type  Open Cluster
Magnitude  8.8
Size  4'
Right Ascension  0h 39'  (2000)
Declination  61° 57' N
Constellation  Cassiopeia
Description  13"-pB, S, C, 9* 11 to 13, dbl* in center
Classification  IV 2 P
Observing Notes

Andrew Cooper
Nov 2, 2019    Kaʻohe, Mauna Kea, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 127x
Seeing: 7 Transparency: 6 Moon: 39%

An unimpressive cluster, about a dozen 11-12 magnitude stars in a 5' area, coarse, resolved, with a hazy patch on the northern margin, star hopped from NGC225 to confirm

Andrew Cooper
Jan 13, 2018    Kaʻohe, Mauna Kea, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 127x
Seeing: 7 Transparency: 7 Moon: 0%

An intersting small cluster, small, 2' across, faint, partially resolved, a few brighter members with a haze about them
Other Data Sources for Berkeley 3
Nearby objects for Berkeley 3
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

Berkeley 3