NAME: Pegasus (PEG-uh-sus)
CULMINATION: midnight, 1 September
GENITIVE: Pegasi (PEG-uh-see)
NEIGHBORS: And, Aqr, Cyg, Del, Equ, Lac, Psc, Vul
BINOCULAR OBJECTS: NGC 7078 (M 15)
URBAN OBJECTS: NGC 7078 (M 15)
Pegasus is a large north equatorial constellation that ranks 7th in size among the 88 constellations. Pegasus covers 1,121 square degrees of the celestial sphere, or about 2.7%. Although Pegasus is not particularly bright—it has only three second magnitude stars and three of the third magnitude—it is nonetheless prominent. Three of the four brightest stars in Pegasus, along with second magnitude Alpheratz in Andromeda, form a large, very prominent keystone-shaped asterism called ...