3 thoughts on “Mark McCaughrean”
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Mark McCaughrean says: Just as an aide memoire to myself, I saw the subparhelion again on Sunday February 12, en-route between Amsterdam and Bologna. It was associated with a fallstreak hole in an otherwise rather continuous cloud deck below the airplane. The hole must have been filled with ice crystals, because as there was a subparhelion in it first, then an extremely bright subsun, and then a subparhelion on the other side of the sun, all as we flew past it.
Unfortunately, no camera with me on this occasion, so … :-(
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Mark McCaughrean says:
Ah, I knew I could depend on you, Beate :-) I was hoping for at least some comments on this one. As Ian pointed out when I sent it in, the subparhelion is a rare beast indeed and this particular flight was absolutely loaded with halo goodness.
But what’s wrong with flying? ‘Tis a wondrous thing.
Mark McCaughrean 
Beate Blecher Leave a Reply
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Thanks Rebecca. I fly a lot over the central US and this was the third time in the last 18 months that I was fortunate to spot a subsun and subsun sundog at altitude with a thin layer of cirrostratus at or just below the plane.
Most interesting picture, Patrick!
Don’t often see this particular cloud phenomenon seen from 35,000 feet up in a plane. Looking carefully at the photo, it almost looks like the sun is reflecting off of a thin layer of see-through icecap, through which one can see mid-level mackerel-sky patterned Altocumulus cloud, similar to pack-ice on a vast ocean below.
From Rebecca Hill, Canberra, Australia