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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From Ashburn , Butterfly Cluster is not readily observable since it is very close to the Sun, at a separation of only 9° from it.
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|
Name
Butterfly Cluster
|
Object Type
Open Cluster
|
Position
| Constellation: | Scorpius |
| Magnitude: | 4.20 (V)[2] 4.48 (B)[1] |
| B-V Color (mag): | 0.28 |
| Right Ascension: | 17h40m [1] |
| Declination: | -32°15' [1] |
| Distance: | 487.0 parsec 1587.6 lightyears [1] |
Derived Quantities
| Absolute Mag (V): | -4.24 |
Events
| 17 Jun 2019 | – M6 is well placed |
| 16 Jun 2020 | – M6 is well placed |
| 16 Jun 2021 | – M6 is well placed |
| 16 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 |
| 16 Jun 2026 | – M6 is well placed |