Object:  Nonex-open cluster NGC 2240            Constell: AUR

RA: 06h 33.0m           Decl: +35° 14'          Epoch: 2000
Mag: 8.5m (own)         Size:  7' (own)         Type: 

Observer: Jere Kahanpää
Obs. place: Jyväskylä, Finland
Date/Time: 28./1.2.-3. 1994, 21.35

Telescope: N 205/1000
Magn: 133x              Filter:
Field: 22'              NE Lim.mag: 4.8m
Background sky: 4       Seeing: 3 
Weather: No Moon, -15 °C. Poor.    

Brightness: 2           Alt: 40°
Description: A suprise. Bright and easy. About 20 stars mag.
10...12. Est. Tr-type III 2 p. Size about 7. The cluster
is composed of many pairs of similar brightness.

Orig. descr W. Herschel (1786): "A Cl. od co. sc. L st. not
rich."  J.Herschel (1830): "A v coarse straggling cl 10' diam;
30 or 40 stars 10...15m. A *10m taken, but one of 7m precedes N."