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Technical Data
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| Optics | Mamiya 35mm/F3.5 -->F5.6 | |
| Camera | Mamiya 645 Super | |
| Film | Kodak E-100VS | |
| Time | 2002/5/30 21:10 to 22:30 | |
| Location | JCMT dome | |
| Note | Multiple exposure, one under twilight and the other one at dark night. First exposure was at 19:26 with aperture stopped to F5.6 and exp. time of 1 sec. This exposure was measured from the sky and was under-exposed by about 3 stops. The second exposure is as the data described above. | |