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ISS transit


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About this observation
Philip Masding
Time of observation
24/06/2018 - 11:00
Observing location
Chapel Lane, LLay, North Wales
Meade ETX70
Skyris 618M
1/10000 second
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This site was chosen because there were 2 transits visible on successive orbits at 11:00 and 12:25. The image is a composite from the first transit with a frame every 1/15 of a second. The inset close up of the ISS is a stack of about 20 frames sharpened in Registax. The only problem I had was that even at the shortest exposure time possible of 1/10000 second the sun was still rather over exposed. Adding a filter didn't help because then focus couldn't be reached.

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