Iiro's DeepSky Sketches

Name: Messier 70Other name: NGC 6681
RA: 18h 43.2m DEC: -32° 18'
Constellation: SGR
Type: Globular cluster
Magnitude: 8.1
Size: 7.8'
Surface brightness: 11
Classification: V
Description: B,pL,R,gbM
Notes: Curved arc of stars to NE,* mags 14...
Observer: Iiro Sairanen
Location: Base del Teide (2280m), Tenerife, Spain
Date: 18/19.4.2004 4:53
Instrument: Newton 110/805 mm
Magnification: 127xFilter: -
Field: 24'Seeing: 3
Background sky: 2NE lim mag: 7
Visuality: IIHeight: 23°
Weather: +9°C, dry and good
Description: Unresolved round glow with much brighter core.
Updated: 15.5.2004 13:31