2 thoughts on “Alan Tough”
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Laurence Green says: Alan, I’ve just come across an interesting video (2.45 minutes duration) taken from NASA’s Astronomy Picture Of the Day (APOD) website showing a very rare combination of Noctilucent clouds accompanied by Aurorae on the night of 4th & 5th August recent at Caithness, Scotland:-
http://www.star.ucl.ac.uk/~apod/apod/ap130819.html
Certainly worth watching! The text is informative too.
Laurence
Laurence Green Leave a Reply
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2 thoughts on “Alan Tough”
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Laurence Green says:
Would the faint streak seen one third of the way in of the left hand side of the photo possibly be the Comet PANSTARRS – a comet which has certainly got the interest recently of the astronomical community?
Laurence
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One thought on “Alan Tough”
Normanicus Leave a Reply
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7 thoughts on “Alan Tough”
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Mark McCaughrean says:
Very interesting indeed, Alana, as it shows the Crow Instability in action again; see the picture I submitted here a little while ago:
https://cloudappreciationsociety.org/gallery/photo-07959/
But all the more amazing, since I took another picture of this phenomenon last weekend that’s almost identical to yours in showing this “barbed wire” appearance:
http://www.flickr.com/photos/markmccaughrean/6885978320/
Good stuff :-)
Sharon 
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Alan, this is brilliant capture of a rare sight!
Good man!
Laurence