Basic object information
Name: Cr 91
Type of object: Open cluster
Magnitude: 6.4
Size: 17.0'
Number of stars: 20
Object classification: IV 2 p

Catalog position for epoch J2000.0
Right ascension: 06h 21m 42.0s
Declination: +2 22' 00"

Constellation: Monoceros

Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 9/10.1.2002 23:45 UT

Telescope: 16" Dobson f 4.5

Magn: 73x

Filter:

Field: 41'

NE Lim.mag: 4,5

Background sky: 4

Seeing: 3

Transparency: 4
Weather: foggy, -1C

Vähätähtinen avonainen.

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