The Shield

delta (8) scuti 2 1 3 A pulsating giant, the prototype of a class of stars that fluctuate in brightness very slightly over periods of a few hours.

R scuti H 5 An orange supergiant that varies between magnitudes 4.2 and 8.6 every 20 weeks.

M11 (THE wild DUCK cluster) h 5 A beautiful open cluster, visible through binoculars as a smudgy glow half the apparent width of a full moon. It is popularly known as the Wild Duck Cluster because, when seen through small telescopes, its stars form a fan shape, like a formation of ducks in flight.

M26 5 Another open cluster, fainter than M11 and best seen in small telescopes.

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