Iiro's DeepSky Sketches

Name: Messier 54	Other name: NGC 6715
RA: 18h 55.1m	DEC: -30° 29'
Constellation: SGR
Type: Globular cluster
Magnitude: 7.7
Size: 9.1'
Surface brightness: 11
Classification: III
Description: vB,L,R,g,smbM
Notes: * mags 15...
Observer: Iiro Sairanen
Location: Base del Teide (2280m), Tenerife, Spain
Date: 18/19.4.2004 4:45
Instrument: Newton 110/805 mm
Magnification: 127x	Filter: -
Field: 24'	Seeing: 3
Background sky: 2	NE lim mag: 7
Visuality: II	Height: 22°
Weather: +9°C, dry and good
Description: Roundish diffuse nebula. Small but bright core, no stars visible.
Updated: 15.5.2004 13:39