ES4
| Data | Time (PT) | Exp | delay | Phase | T | flats |
| 04/21/07 |
90 sec |
60 sec |
113.7 |
Yes |
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| Start | 09:41 p.m. |
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| Stop | 10:17 p.m | |||||
| seeing | ||||||
| weather | transparent clouds in the evening, then clear - came high clouds | |||||
| note | problem with Internet connection Stop observations - high clouds | |||||