Basic object information
Name: NGC 6401
Type of object: Globular cluster
Magnitude: 9.5
Size: 5.6'
Object classification: 8
Description: pB,pL,R,*12F inv

Catalog position for epoch J2000.0
Right ascension: 17h 38m 36.9s
Declination: -23 54' 32"

Constellation: Ophiuchus

Observer: Iiro Sairanen
Obs. place: Base del Teide (2280m above sea level), Tenerife, Spain
Date/Time: 18/19.4.2004 2:20

Telescope: Newton 110/805mm

Magn: 107x


Field: 28'

NE Lim.mag: 7,0

Background sky: 2

Seeing: 3

Height: 17
Visuality: III

Weather: +9˚C, dry and good

Quite faint globular. Starlike nucleus. No stars resolved.