Graff's Cluster (IC4756)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 24 arcminutes across.
Finder chart
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From South El Monte , Graff's Cluster is visible all night. It will become visible at around 21:18 (PDT), 33° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:52, 61° above your southern horizon. It will be lost to dawn twilight at around 04:30, 32° above your western horizon.
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Name
Graff's Cluster (IC4756)
|
Object type
Open cluster
|
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
Visibility from South El Monte
All times shown in South El Monte local time.
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 |