NGC2509 (Open cluster)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.

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From South El Monte , NGC2509 is visible in the dawn sky, rising at 02:02 (PDT) and reaching an altitude of 33° above the southern horizon before fading from view as dawn breaks at around 05:56.

Name NGC2509
Object type Open cluster
Other names
NGC 2509[2]
Cr 171[3]
Mel 81[4]
Position
Right ascension:08h00m [2]
Declination:−19°03' [2]
Constellation:Puppis
Magnitude:9.30 (V) [4]
Distance:912.0 parsec
2973.1 lightyrs [1]
Derived quantities
Absolute mag (V):-0.50

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