Geostationary satellites
Taken by Jamie Shepherd on February 27, 2016 @
Lochearnhead, Scotland
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Details:
Searching images from my rooftop fireball all-sky patrol camera I couldn't help noticing these perplexing dots in the South. I had seen them before and dismissed them as perhaps lying on an aircraft flight path. Something persistent in the locations made me want to investigate further. The camera runs every 15 minutes, so I layered a sequence in strips over the two hours up to midnight. There, sure enough, were dots in exactly repeating positions in consecutive frames. The really amazing thing is that the objects each only remain visible for under an hour. Yet more objects progress into view to the westwards as the night progresses. I could count 26 separate satellites in the sequence. Most are evenly spaced around the geosynchronous orbit, yet some are in tight clusters. I was surprised that I could pick these up with my humble Samyang 8mm fisheye and Canon 450D at ISO 400. There were even city lights and a last quarter moon nearby.
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