The Tom Thumb Cluster (NGC6451)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From Cambridge , the Tom Thumb Cluster is not readily observable since it lies so far south that it will never rise more than 17° above the horizon.
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|
Name
The Tom Thumb Cluster (NGC6451)
|
Object type
Open cluster
|
Position
| Right ascension: | 17h50m [2] |
| Declination: | −30°12' [2] |
| Constellation: | Scorpius |
| Magnitude: | 8.20 (V) [4] |
| Angular dimensions: | 7.2 arcmin |
| Distance: | 2.1 kpc 6.8 klyr [1] |
Derived quantities
| Absolute mag (V): | -3.39 |
Sources
Visibility from Cambridge
All times shown in Cambridge local time.