Graff's Cluster (Open Cluster)
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 24 arcminutes across.
Finder chart
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From Fairfield , Graff's Cluster is visible in the dawn sky, rising at 04:12 (EST) – 3 hours and 4 minutes before the Sun – and reaching an altitude of 20° above the eastern horizon before fading from view as dawn breaks around 06:05.
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|
Name
Graff's Cluster
|
Object Type
Open Cluster
|
Position
| Constellation: | Serpens Cauda |
| Magnitude: | 4.60 (V) [3] 4.96 (B) [2] |
| B-V Color (mag): | 0.36 |
| Right ascension: | 18h38m [2] |
| Declination: | +05°27' [2] |
| Distance: | 484.0 parsec 1577.8 lightyrs [1] |
Derived Quantities
| Absolute mag (V): | -3.82 |
Events
| 01 Jul 2020 | – IC4756 is well placed |
| 01 Jul 2021 | – IC4756 is well placed |
| 02 Jul 2022 | – IC4756 is well placed |
| 02 Jul 2023 | – IC4756 is well placed |
| 01 Jul 2024 | – IC4756 is well placed |
| 01 Jul 2025 | – IC4756 is well placed |
| 01 Jul 2026 | – IC4756 is well placed |
| 02 Jul 2027 | – IC4756 is well placed |