Basic object information
 Object name: M 92
Object type: Globular cluster
Magnitude: 6.5
Size: 14.0'
Object classification: IV
Description: vB,vL,eCM,st 12...
Notes: Lord Rosse saw spiral structure

Catalog information
 RA (J2000.0): 17h 17m 06.0s
Dec (J2000.0): +43° 08' 00"

Constellation: Hercules

Observer: Iiro Sairanen
Obs. place: Sienimäki, Imatra, Finland
Date/time: 17/18.8.2010 23:15
Telescope: Newton 300/1500 mm
Magn: 429x Filter: -
Field: 11' NE Lim.mag: 6.0
SQM: 20.3 (2) Seeing: 3
Visuality: I Height: 46°
Weather: +8°C  
Strongly elliptical in N-S and two brighter areas on the north. Brighters stars on the east and north edge.