NGC 6640
NGC 6657 UGC 11406
Info Chart Aladin Catalog
NameNGC 6640
TypeGX [Sc]
Other namesPGC61913 / UGC11247
Constellation Lyra
RA18:28:08.1
Dec+34:18:09.0
major_axis 66.0''
minor_axis 48.0''
position_angle153.0
mag13.5
surface_bright13.1