Statistics

Statistics of observing time at the 182cm telescope from 1985 to 2008

 

Total hours available 85511 -
Used hours 23768 27.8%
Average used hours/night 6.2 -
Nights considered 8726 -
Nights fully used 3172 36.4%
Nights partially used 647 7.4%
Nights unused 4246 48.6 %
Nights not request 137 1.6%
Nights unavailable 524 6.0 %
Usage of the Instruments
Direct CCD camera (until 1997) 1126 13.6 %
Echelle spectrograph 2626 31.6%
B&C specttrograph  (until 1998) 1595 19.2 %
AFOSC  (since 1998) 2221 26.7 %
Others 738 8.9%

 

Table of statistics for individual years (pdf file)