Harvard 21
Info Chart Aladin Catalog

 
☀9.0mag
Ø 4.0'
OC [IV2p]
Cassiopeia

NameHarvard 21
TypeOC [IV2p]
Constellation Cassiopeia
RA23:54:18.0
Dec+61:44:00.0
major_axis 4.0'
mag9.0
surface_bright-