The Butterfly Cluster (M93)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 15 arcminutes across.
Finder chart
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From San Diego , the Butterfly Cluster is visible in the dawn sky, rising at 03:18 (PDT) – 3 hours and 18 minutes before the Sun – and reaching an altitude of 22° above the south-eastern horizon before fading from view as dawn breaks around 05:38.
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Name
The Butterfly Cluster (M93)
|
Object type
Open cluster
|
Position
| Constellation: | Puppis |
| Magnitude: | 6.20 (V) [5] 6.57 (B) [3] |
| B-V Color (mag): | 0.37 |
| Right ascension: | 07h44m [3] |
| Declination: | -23°51' [3] |
| Distance: | 1.0 kpc 3.4 klyr [2] |
Derived quantities
| Absolute mag (V): | -3.88 |
Sources
Visibility from San Diego
All times shown in San Diego local time.