The Butterfly Cluster (M93)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 15 arcminutes across.
From Cambridge , the Butterfly Cluster will become visible at around 20:19 (EDT), 23° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:11.
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Name
The Butterfly Cluster (M93)
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Object type
Open cluster
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Position
| Right ascension: | 07h44m [3] |
| Declination: | −23°51' [3] |
| Constellation: | Puppis |
| Magnitude: | 6.20 (V) [5] 6.57 (B) [3] |
| Distance: | 1.0 kpc 3.4 klyr [2] |
| B-V Color (mag): | 0.37 |
Derived quantities
| Absolute mag (V): | -3.88 |
Sources