Conditions
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Lunar Phase
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Planets
NASA APOD
Weather Satellite
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Deep Sky
ISS Tracker
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Lon: ...
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Today's passes
Start
Peak
Mag
Vis
End
Calculating Orbits...
Optics Calc
1000 mm
25 mm
52°
Mag40x
FOV1.3°
Limiting Mag
200 mm
Limit13.4
Gain816x