Basic object information
Name: M 12
Type of object: Globular cluster
Magnitude: 6.6
Size: 14.5'
Object classification: IX
Description: vB,vL,iR,gmbM
Notes: Somewhat loose structure

Catalog position for epoch J2000.0
Right ascension: 16h 47m 14.5s
Declination: -1 56' 52"

Constellation: Ophiuchus


Observer: Iiro Sairanen
Obs. place: Ahola, Joutseno, Finland
Date/Time: 24/25.4.2003 2.08

Telescope: 16" Dobson f 4.5

Magn: 244x

Filter:

Field: 13'

NE Lim.mag: 6,2

Background sky: 3

Seeing: 2

Height: 23
Visuality: I
Weather: -5C, northern lights

Ytimeen asti erottuva pallomainen, jossa tähdet ovat melko hajallaan. 2 uloketta länteen??? (Ilmansuunnat unohtuivat
L )

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