THE 10 MOST BRIGHTEST STARS
A.R. DECL. MAG. LIGHT YEARS Alfa 18h 35m 12.44s -08° 14' 35.9 3.85 174 Ioannina Beta 18h 47m 10.48s -04° 44' 52.2 4.22 689 Zeta 18h 23m 39.55s -08° 56' 04.2 4.66 191 Gamma 18h 29m 11.85s -14° 33' 56.9 4.67 291 Delta 18h 42m 16.42s -09° 03' 09.2 4.70 187 triple star; prototype of the variable Delta Scuti, with a period of 4 h e 40 min Eta 18h 57m 03.63s -05° 50' 46.4 4.83 207 Epsilon 18h 43m 31.24s -08° 16' 30.9 4.88 522 18h 54m 43.12s -15° 36' 10.9 5.08 1663 18h 35m 02.36s -10° 58' 37.9 5.12 290 R Sct 18h 47m 28.98s -05° 42' 18.3 5.38 1405 variable star, with a period of 140 giorni
OBJECTS
M 11 Stellar cluster (anitra sevatica), mag. 6.3, diameter 10' M 26 Open cluster, mag. 9.3, diameter 9'
BOUNDARIES
Aquila,Coda del Serpente,Sagittario