• Osawa's Star; α2 CVn variable, Vmax = 7.55m, Vmin = 7.62m, P = 159 d HD 19557 V623 19557 14827 03h 11m 25.33s +57° 54′ 11.2″ 7.57 1590 C4,5J slow irregular...
    53 KB (148 words) - 19:21, 28 July 2024