Graff's Cluster (IC4756)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 24 arcminutes across.
From Fairfield , Graff's Cluster will become visible at around 17:38 (EST), 34° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 20:48.
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Name
Graff's Cluster (IC4756)
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Object type
Open cluster
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Position
| Right ascension: | 18h38m [2] |
| Declination: | +05°27' [2] |
| Constellation: | Serpens Cauda |
| Magnitude: | 4.60 (V) [4] 4.96 (B) [2] |
| Distance: | 484.0 parsec 1577.8 lightyrs [1] |
| B-V Color (mag): | 0.36 |
Derived quantities
| Absolute mag (V): | -3.82 |
Sources
Events
| 01 Jul 2025 | – The cluster IC 4756 is well placed |
| 01 Jul 2026 | – The cluster IC 4756 is well placed |
| 02 Jul 2027 | – The cluster IC 4756 is well placed |
| 01 Jul 2028 | – The cluster IC 4756 is well placed |
| 01 Jul 2029 | – The cluster IC 4756 is well placed |
| 01 Jul 2030 | – The cluster IC 4756 is well placed |
| 02 Jul 2031 | – The cluster IC 4756 is well placed |
| 01 Jul 2032 | – The cluster IC 4756 is well placed |