THE 10 MOST BRIGHTEST STARS
A.R. DECL. MAG. LIGHT YEARS
Alfa 18h 36m 56.19s +38° 46' 58.8 0.03 25 Vega, Wega, Fidis, Harp Star; 5° brightest star of the sky, it has a protoplanetary disk
Gamma 18h 58m 56.62s +32° 41' 22.4 3.25 634 Sulafat, Sulaphat
Beta 18h 50m 04.79s +33° 21' 45.6 3.52 881 Sheliak, Shelyak, Shiliak; prototype of the variable Beta Lyrae; multiple star
R Lyr 18h 55m 20.09s +43° 56' 45.2 4.08 349 variable semiregular
Delta 2 18h 54m 30.29s +36° 53' 55.0 4.22 898
Kappa 18h 19m 51.72s +36° 03' 52.0 4.33 238
Zeta 18h 44m 46.34s +37° 36' 18.2 4.34 154
Theta 19h 16m 22.10s +38° 08' 01.4 4.35 769
Eta 19h 13m 45.49s +39° 08' 45.5 4.43 1042 Aladfar
Epsilon 2 18h 44m 22.78s +39° 36' 45.3 4.59 160 component of the system epsilon Lyr; double star
OBJECTS
M 56 Globular cluster, mag. 8.2, diameter 2' M 57 Planetary nebulose (detta Nebulosa ad anello), mag. 9.3, diameter 1.5'
BOUNDARIES
Dragone,Ercole,Volpetta,Cigno