The Butterfly Cluster (Open Cluster)

Image of Butterfly Cluster
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 15 arcminutes across.
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From Washington , Butterfly Cluster is visible between 23:38 and 02:13. It will become accessible at around 23:38, when it rises 18° above your southern horizon, and then reach its highest point in the sky at 00:57, 20° above your southern horizon. It will become inaccessible at around 02:13 when it sinks to 18° above your southern horizon.

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Name Butterfly Cluster
Object Type Open Cluster
Other Names
M 6
NGC 6405
Cr 341
Mel 178
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 lightyrs [1]
Derived Quantities
Absolute Mag (V):-4.24
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




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