Alpha Persei Moving Cluster, Mel 20

Open Cluster Melotte 20

in Perseus

The Alpha Persei Moving Cluster

Right Ascension	03 : 22 (h:m)
Declination	+49 : (deg:m)
Distance	0.601 (kly)
Visual Brightness	1.2 (mag)
Apparent Dimension	185 (arc min)

This moving cluster was probably first cataloged as a nebulous object by

Hodierna.

The distance of this cluster has recently been measured by ESA’s Hipparcos

satellite, as 601 light years (previously, it had been thought to be at 554

light years).

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Hartmut Frommert

([email protected])

Christine Kronberg

([email protected])

Last Modification: 8 Mar 1998, 21:15 MET