The Butterfly Cluster (Open Cluster)
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 15 arcminutes across.
Finder chart
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Click to enlarge.
From Fairfield , Butterfly Cluster is not readily observable since it lies so far south that it will never rise more than 16° above the horizon.
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which appear below.
|
Name
Butterfly Cluster
|
Object Type
Open Cluster
|
Position
| Constellation: | Scorpius |
| Magnitude: | 4.20 (V) [3] 4.48 (B) [2] |
| B-V Color (mag): | 0.28 |
| Right ascension: | 17h40m [2] |
| Declination: | -32°15' [2] |
| Distance: | 487.0 parsec 1587.6 lightyrs [1] |
Derived Quantities
| Absolute mag (V): | -4.24 |
Events
| 16 Jun 2020 | – M6 is well placed |
| 16 Jun 2021 | – M6 is well placed |
| 17 Jun 2022 | – M6 is well placed |
| 17 Jun 2023 | – M6 is well placed |
| 16 Jun 2024 | – M6 is well placed |
| 16 Jun 2025 | – M6 is well placed |
| 17 Jun 2026 | – M6 is well placed |
| 17 Jun 2027 | – M6 is well placed |