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Optics | Pentax 75 apochromatic refractor |
Focal Lenght | 500 mm |
Focal Ratio | f/6,7 |
Exposure Time | 45 min exposure |
Film | Kodak E200 |
Developement sensibility | 320 ISO |
Location | Capanne di Cosola (AL, on the Appenninus, Italy) at 1500m |
Date and time of exposure start | 16 may 2002, 1.22 UT |
Mount | Gemini G41 |
Tracking | ST4 |
Temperature and humidity | T=+9°C, RH=100% |
Notes | - |
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