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Star cluster

FSR 0241

Open star cluster · 1.3 billion years

An open cluster of stars born together from the same gas cloud in the Milky Way’s disc; the Galaxy’s tidal forces will disperse it within a few hundred million years. Position, distance, age and member count come from the MWSC catalogue; the total brightness is roughly estimated from the member count.

TypeStar cluster
ConstellationCygnus
Distance1,037 pc (3.4 thousand ly)
Age1.3 billion years
Member stars (MWSC)36
Reddening E(B−V)0.06
SourceMWSC (Kharchenko et al. 2013)
Right ascension (J2000)20h 02m 54.6s
Declination (J2000)+46° 11′ 42″

In the sky

Visible from the whole Northern Hemisphere and south to latitude 44° S. North of latitude 44° N it never sets. It stands highest at midnight in July, the best time to observe it.

Through a telescope from Earth

Light's journey

The light you see tonight set out around 1357 BC. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 60 million years.

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