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UKIRT Annual Report 1998
THE UNITED KINGDOM INFRARED TELESCOPE
ANNUAL REPORT
1998
3.2. Telescope Usage
The following table summarizes the telescope usage for the two semesters
98A and 98B, which cover the period February 1, 1998 to January
31, 1999.
| Semester |
98A |
98B |
| Total number of nights |
181 |
190.5 |
| Eng. and Commissioning Time |
28 |
31.2 |
| Nights available for observing |
153 |
159.3 |
| Nights observed |
88% |
74% |
| Nights lost due to faults |
3% |
4% |
| Nights lost due to bad weather |
9% |
22% |
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