NGC 6738
Asterism | |
---|---|
NGC 6738 | |
Constellation | Eagle |
Position equinox : J2000.0 |
|
Right ascension | 19h 01m 21.5s |
declination | + 11 ° 36 ′ 56 ″ |
Further data | |
Brightness (visual) |
8.3 mag |
Angular expansion |
15 '× 15' |
history | |
discovery |
John Herschel |
Date of discovery |
July 29, 1829 |
Catalog names | |
NGC 6738 • Cr 396, C 1859 + 115, Ocl 101.0, COCD 459, h 2027, GC 4460 | |
Aladin previewer |
NGC 6738 is an asterism in the constellation Eagle , an apparent concentration of stars in the sky that was previously classified as a star cluster. NGC 6738 has a magnitude of 8.3 mag and an angular extent of 15 × 15 arc minutes .
The object was discovered on July 29, 1829 by John Herschel .
swell
- Boeche et al .: NGC 6738: Not a real open cluster ; in: Astronomy and Astrophysics, Vol. 406, pp. 893ff. (2003), bibcode : 2003A & A ... 406..893B