Basic object information
Name: Biur 10
Type of object: Open cluster
Magnitude: 10.4
Size: 4.0'
Number of stars: 20
Magnitude of brightest star: 10.7
Object classification: I 3 p

Catalog position for epoch J2000.0
Right ascension: 06h 52m 12.0s
Declination: +2 56' 00"

Constellation: Monoceros

Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 20/21.2.2003 23:30

Telescope: 16" Dobson f 4.5

Magn: 73x

Filter:

Field: 41'

NE Lim.mag: 5.0

Background sky: 5

Seeing: 3

Height: 28
Visuality: II

Weather: -5C

A poor open cluster. Impossible to identify without map.
Köyhä avonainen, jonka tunnistaminen ilman karttaa on mahdotonta.

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