Iiro's DeepSky Sketches

Name: Messier 69Other name: NGC 6637
RA: 18h 31.4m DEC: -32° 21'
Constellation: SGR
Type: Globular cluster
Magnitude: 7.7
Size: 7.1'
Surface brightness: 11
Classification: V
Description: B,L,R,rrr,*14..16
Observer: Iiro Sairanen
Location: Base del Teide (2280m), Tenerife, Spain
Date: 18/19.4.2004 5:03
Instrument: Newton 110/805 mm
Magnification: 127xFilter: -
Field: 24'Seeing: 3
Background sky: 2NE lim mag: 7
Visuality: IIHeight: 25°
Weather: +9°C, dry and good
Description: Granular globular with brighter core and two birghteningsin N and E parts. Few stars resolved.
Updated: 15.5.2004 13:29