Monday, 28 November 2016

On some more aspects of a display observed in Rovaniemi on the night of 9/10 November, 2016

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by Marko Riikonen In the previous post of this display I discussed two photos taken towards the end of the hunt, just before twilight. No...
Saturday, 26 November 2016

Thin plates in rotating Parry orientation as an explanation for thedisplay on the night of 8/9 November 2016, in Rovaniemi

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In an earlier post I told simulation attempts were not successful for this display. Well, I really did not put that much effort int...
Friday, 25 November 2016

On some aspects of a display observed in Rovaniemi on the night of 9/10November 2016

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By Marko Riikonen This was a good no-hassle night of diamond dust hunt. The swarm was stationary and I didn’t have to pack up every 20 min...
Wednesday, 23 November 2016

A pure breed uppervex Hastings

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In snow gun diamond dust displays Parry orientation is often strongly emphasized in relation to column orientation. There may be no sig...
Sunday, 20 November 2016

A distinct Wegener but other reflection halos from column orientation lacking

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By Marko Riikonen Spotlight displays are great in that almost every time you photograph them, you realize you understand halos less ...
Wednesday, 16 November 2016

A possible new halo above Moilanen arc

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By Marko Riikonen A simple diamond dust display that I photographed on the 6th of this month in Rovaniemi, shows above the Moilane...
Tuesday, 8 November 2016

A plate spotlight display on 5th November 2016

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By Marko Riikonen Showcasing the last winter’s spotlight displays is still under way, but fresh produce is already coming in. Here i...