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Geostationary arc

Image
About this observation
Observer
Nick James
Time of observation
27/10/2017 - 03:32
Object
Geostationary satellites
Observing location
Chelmsford, UK
Equipment
Sony A7s + Canon 100mm f/2
Exposure
2x30s
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UK deep sky imagers know that M42 is often crossed by slow moving satellites. This is becuase it is not far from the geostationary arc and there is a lot of stuff up there. This is a detail from two 30s frames separated by 30s (full frame here) and it shows at least 7 geostationary satellites and a few pieces of space junk.  I've just spent an entertaining half hour identifying them!

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