ES4
| Data | Time (PT) | Exp | delay | Phase | T | flats |
| 05/23/07 | 60-20 sec |
60 sec |
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| Start | 08:40 p.m |
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| Stop | 10:05 p.m | |||||
| seeing | good | |||||
| weather | warm, calm, high clouds | |||||
| note | 9:43 pause - high clouds, 10:05 -pause | |||||