The open cluster IC 4665
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 24 arcminutes across.
Finder chart
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From Cambridge , IC 4665 is visible all night. It will become visible at around 21:52 (EDT) as the dusk sky fades, 37° above your south-eastern horizon. It will be lost to dawn twilight at around 03:39, 36° above your south-western horizon.
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|
Name
IC 4665
|
Object Type
Open Cluster
|
Position
| Constellation: | Ophiuchus |
| Magnitude: | 4.20 (V)[2] 4.49 (B)[1] |
| B-V Color (mag): | 0.29 |
| Right Ascension: | 17h46m [1] |
| Declination: | +05°38' [1] |
| Distance: | 352.0 parsec 1147.5 lightyrs [1] |
Derived Quantities
| Absolute Mag (V): | -3.53 |
Events
| 18 Jun 2019 | – IC4665 is well placed |
| 17 Jun 2020 | – IC4665 is well placed |
| 18 Jun 2021 | – IC4665 is well placed |
| 18 Jun 2022 | – IC4665 is well placed |
| 18 Jun 2023 | – IC4665 is well placed |
| 17 Jun 2024 | – IC4665 is well placed |
| 18 Jun 2025 | – IC4665 is well placed |
| 18 Jun 2026 | – IC4665 is well placed |