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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
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Magn: 244x |
Filter: |
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Field: 13' |
NE Lim.mag: 6,2 |
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Background sky: 3 |
Seeing: 2 |
Height: 23°
Visuality: I
Weather: -5°C, northern lights
Ytimeen asti erottuva pallomainen, jossa tähdet ovat melko hajallaan. 2 uloketta länteen??? (Ilmansuunnat unohtuivat