Iiro's DeepSky Sketches

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Name: NGC 6645Other name: OCL 48
RA: 18h 32.6m DEC: -16° 53'
Constellation: SGR
Type: Open cluster
Magnitude: 8.5
Size: 10.0'
Number of stars: 40
Brightest star: 12
Classification: III 1 m
Description: Cl,pL,vRi,pC,st11..15
Notes: H VI 23
Observer: Iiro Sairanen
Location: Ahola, Joutseno, Finland
Date: 16/17.8.2010 1:00
Instrument: Newton 300/1500 mm
Magnification: 115xFilter: -
Field: 35'Seeing: 3
Background sky: 2NE lim mag: 7
Visuality: IIHeight: 4°
Weather: +7°C, astronomical twilight
Description: Rather bland open cluster on the low SW horizon.
Updated: 28.9.2010 20:04