The open cluster M 23

Image of M 23
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 16 arcminutes across.
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From Ashburn , M 23 will become visible around 20:07 (EDT) as the dusk sky fades, 29° above your southern horizon. It will then sink towards the horizon, setting at 23:49.

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Name M 23
Object Type Open Cluster
Other Names
NGC 6494
Cr 356
Mel 184
Position
Constellation:Sagittarius
Magnitude:5.50 (V) [3]
6.03 (B) [2]
B-V Color (mag):0.53
Right ascension:17h57m [2]
Declination:-18°59' [2]
Distance:628.0 parsec
2047.3 lightyrs [1]
Derived Quantities
Absolute mag (V):-3.49
Visibility from Ashburn

All times shown in Ashburn local time.

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Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

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