Tr 31
NGC 6522 NGC 6528
Info Chart Aladin Catalog

 
☀9.8mag
Ø 8.0'
OC [III1p]
Sagittarius

NameTr 31
TypeOC [III1p]
Other namesCr357
Constellation Sagittarius
RA17:59:54.0
Dec-28:11:00.0
major_axis 8.0'
mag9.8
surface_bright-