Basic object information
Name: Mel 20
Popular name: Alpha Per moving cluster
Type of object: Open cluster
Magnitude: 1.2
Size: 185.0'
Number of stars: 50
Magnitude of brightest star: 2.9
Object classification: III 3 m
Description: 10X50-vB,vvL,scattered; 39*
Notes: Alpha Per moving cluster (Mag does not include Alpha PER)

Catalog position for epoch J2000.0
Right ascension: 03h 22m 00.0s
Declination: +49 00' 00"

Constellation: Perseus


Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 12/13.3.1999 1:20

Telescope: B15x50

Magn: 15x

Filter:

Field: 4˚

NE Lim.mag:

Background sky:

Seeing: 2

Visuality:
Weather:

Kohde näkyi löyhänä tähtikasaumana, tähden muodostavat nauhamaisia ketjuja.

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