Basel 1

Object information
Designation: Basel 1
Popular name: –
Type of object: Open cluster (I2m)
Right ascension: 18h 48m 12.0s
Declination: -5° 51′ 00″
Constellation: Scutum
Magnitude: 8.9
Size: 9.0′
Altitude of the object: 15°
Visuality of the object: 3 (from 1-5, 5 being worst and 1 best)

Observation information
Observing session id:
Date: 14./15.10.2009
Time: 21.40
Location: Stormälö, Parainen, Finland
Instrument: N250/1200mm (10” Newton)
Magnification: 133x
Field of view: 24′
Filter: –

Observation conditions
NELM: 6.5
SQM: –
Seeing: 3 (from 1-5, 5 being worst and 1 best)
Transparency: –
Darkness of the background sky: 1 (from 1-5, 5 being worst and 1 best)
Weather: Clear sky, strong and cold northern breeze, +2 °C

Description: A small, poor open cluster. The cluster has a moderate brightness range. It is well detached from the background, but it is not much concentrated to the center. The brightest stars of the cluster are in upside-down L-shaped figure.