Basic object information
Name: M 55
Type of object: Globular cluster
Magnitude: 7.0
Size: 19.0'
Object classification: 11
Description: pB,L,R,vRi,vgbM
Notes: * mags 15...

Catalog position for epoch J2000.0
Right ascension: 19h 39m 59.4s
Declination: -30 57' 44"

Constellation: Sagittarius

Observer: Iiro Sairanen
Obs. place: Boca de Tauce (1980m above sea level), Tenerife, Spain
Date/Time: 16/17.4.2004 4:45


Telescope: Newton 110/805mm

Magn: 47x

Filter:

Field: 64'

NE Lim.mag: 6,9

Background sky: 2

Seeing: 3

Height: 15
Visuality: II

Weather: +2C, moist

About 10' in size globular. Several stars were visible. Two birghtenings oin southside.

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