Author Archives

Jari Luomanen

Colored superparhelia

5.1.2009 5 Jari Luomanen

During the night of 1-2 January 2008 bright divergent light halos were present in Tampere, Finland. Most notably, bright, colored superparhelia were observed. The colors are readily visible in a bigger image ( 1 ). Crystals were sampled ( 2…

Displays

New observation of 44 degree parhelia

5.1.2009 9 Jari Luomanen

In the morning of 2 January 2008 there was a very large swarm of diamond dust in Tampere, Finland. Bright parhelia and a 44 degree parhelion were observed. Pillars and subparhelia were also visible. The swarm did not originate from…

Displays

Halos from decorated plates

5.1.2009 4 Jari Luomanen

Structures deviating from the clean hexagonal form of an ideal ice crystal are believed to have an adverse effect on the formation of halos. Here we present images of a display and the large plate crystals that made it. We…

Displays

Diamond dust halos in Rovaniemi, Finland

23.11.2008 19 Jari Luomanen

Having kept a keen eye on the weather for quite a while Marko Mikkilä and I finally managed to spent a few days (or, rather, nights) in Rovaniemi shooting halos. We observed several interesting displays the best of which featured…

Displays

Wegener Arcs in Finland

7.5.2008 2 Jari Luomanen

Long absence of rare high cloud halos in Tampere skies was brought to a sudden end by a complex display on 2 May 2008. Singly and Parry oriented columns played the key roles: among the more common halo forms the…

Halo information

Crystal Swarm Effects

24.12.2007 6 Jari Luomanen

Divergent light halos can exhibit peculiar effects that are attributable to a homogenous or nonhomogenous crystal swarm. Here we present two such effects, where different parts of the “Minnaert cigar” are present in halos. Image 1 displays a strong upper…

Displays

Divergent light effect around power cables

10.12.2007 13 Jari Luomanen

This divergent light effect was observed around power cables that reflected light from a bright lamp. The lamp was positioned behind and above the cables. The bulb of the floodlight can be seen through the dark filter. The photographs were…

Author Archives

Jari Luomanen

Colored superparhelia

New observation of 44 degree parhelia

Halos from decorated plates

Diamond dust halos in Rovaniemi, Finland

Wegener Arcs in Finland

Crystal Swarm Effects

Divergent light effect around power cables

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