Cluster in Cassiopeia.
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RA / Dec.: J2000, rounded to the nearest minute. ly = light-year; M ly = million light-years; ≈ = approximate value; — = not available.
Cluster in Cassiopeia.
N, S, E and W indicate cardinal directions; combinations give a more precise direction. Greek letters identify the constellation’s guide stars. Check the route on a suitable chart.
Photographs help you recognise structures, but do not predict the view through an eyepiece. Detection depends on the sky, the object’s altitude and your instrument.
Fact sheet adapted from Comprendre comment explorer le ciel, volume II by Steve Cimolino, version dated 17 October 2026. Values and advice are taken from the book; they are not real-time ephemerides.
2MASS — University of Massachusetts and IPAC/California Institute of Technology; funded by NASA and NSF. Public domain according to the source description.
Photograph source and original description ↗ · Public domain (source description)
Image resized and converted to WebP for this site; colours and proportions retained. Each image’s own licence continues to apply.
Book data: NASA HEASARC ; coordinates adapted fromOpenNGC, Mattia Verga under CC BY-SA 4.0. The relevant adapted data retain this licence. All image attributions and terms →
Explore the collection and progress on volume II.
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