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This less famed nebula is in Cepheus, at
the boundary with Cassiopeia. The brightest part (below) is cataloged as
Sh2-171 instead the dimmest part (top) as NGC 7822.
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Optics | Pentax 75 apochromatic refractor |
Focal Lenght | 500 mm |
Focal Ratio | f/6,7 |
Exposure Time | 50 min exposure |
Film | Kodak E200 |
Developement sensibility | 320 ISO |
Location | Colle del Nivolet (AO, on the Apls, Italy) at 2600m |
Date and time of exposure start | 5 october 2002, 21.30 UT |
Mount | Gemini G41 |
Tracking | ST4 |
Temperature and humidity | T=+1°C, RH=71% |
Notes | - |
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