Graff's Cluster (Open Cluster)

Image of Graff's Cluster
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 24 arcminutes across.
Finder chart
Please wait
Loading 0/4
Click and drag to rotate
Mouse wheel to zoom in/out
Touch with mouse to dismiss
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom. Click to enlarge.

From Fairfield , Graff's Cluster is difficult to observe as it will appear no higher than 19° above the horizon. It is visible in the dawn sky, rising at 04:14 (EST) – 2 hours and 59 minutes before the Sun – and reach an altitude of 19° above the eastern horizon before fading from view as dawn breaks at around 06:02.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.
Name Graff's Cluster
Object Type Open Cluster
Other Names
IC 4756
Cr 386
Mel 210
Constellation:Serpens Cauda
Magnitude:4.60 (V)[2]
4.96 (B)[1]
B-V Color (mag):0.36
Right Ascension:18h38m [1]
Declination:+05°27' [1]
Distance:484.0 parsec
1577.8 lightyears [1]
Derived Quantities
Absolute Mag (V):-3.82
01 Jul 2019  –  IC4756 is well placed
01 Jul 2020  –  IC4756 is well placed
01 Jul 2021  –  IC4756 is well placed
01 Jul 2022  –  IC4756 is well placed
01 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




Color scheme