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Tuesday 28 May 2019

Starlink 'train' fails to arrive (due to cloud!)

Elon Musk's 'SpaceX' has commenced launching a series of commsats: the first 60 of 720 or so are currently gradually spreading apart following their 'bunch launch' a few days ago. Last night (and for the next few nights) they pass over the UK just before midnight, so I was hoping to get some photos of this impressive (yet astronomically disastrous) sight.

Needless to say, it was cloudy! I did manage some close-ups of Alcor and Mizar and views of  Jupiter hanging just above the eastern horizon. Alcor is visibly bluish in the photos: of course, stars cannot be seen as discs from Earth (except in the case of Betelgeux, if you have access to the Hubble!) so the apparent sizes are really factors of  the relative brightness of the pair.



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