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Nyidawa

Delphinus

The dolphin. Genitive Delphini, abbreviated Del. Introduced by Ptolemy.

Area
188.55 sq°
69 of 88 by size
Brightest star
β Delphini
magnitude 3.63
Best seen
July
on the meridian at midnight
Visible from
90°N to 88°S
some part above the horizon

Where it is

MeasureValue
Centre20h 41m, +12.2°
Declination range+2.4° to +20.9°
Naked-eye stars41 to magnitude 6.5, 0 to magnitude 3
BordersAquarius, Aquila, Equuleus, Pegasus, Sagitta, Vulpecula

Principal stars

Every star to magnitude 4, brightest first.

StarMagnitudeHR
β Delphini3.637882
α Delphini3.777906

Deep sky

No object in Delphinus carries a Messier number or a common name. It contains catalogued objects all the same, identified by number only.

My Sky

Rise, highest and set over your place, for any night: Delphinus

Further info

Sources

Principal stars: Bright Star Catalogue

Deep sky: NGC 2000.0

Area and borders: IAU constellation boundaries

Delphinus
Credit: E. Slawik/NOIRLab/NSF/AURA/M. Zamani