(IAAC) Obj: NGC 6539 Inst: 11x80 binoculars

Observer: Auke Slotegraaf (auke@global.co.za)
Your skills: Intermediate
Date and UT of Observation: 1997 July 08, 21:00 UT
Location: Stellenbosch, South Africa (34S)
Site classification: rural
Limiting magnitude: 6.1 (zenith)
Seeing: 7 of 10 - good
Moon up: no
Instrument: 80mm binoculars, tripod-mounted
Magnification: 11x
Filters used: None
Object: NGC 6539
Most extremely faint globular cluster to date. At first, not seen. Then,
seen. At  a third look, not seen! Certainty: 40% seen. Stars of <9.5 well