// Halokuvalista // (c) Jarmo Moilanen // j=j+1; rtxt[j]="2008 May 28"; haku[j]="20080528"; otxt[j] = "Subhelic arc (Oulu, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2008/080528_2133.jpg"; ktxt[j,i] = "21.33 LT. 46° supralateral arc at its best after I manage to get outdoors. They were better when I spotted right arm through my window."; i=i+1; tied[j,i] = "2008/080528_2135.jpg"; ktxt[j,i] = "21.35 LT. Close up photo of parhelion behind clouds."; i=i+1; tied[j,i] = "2008/080528_2136.jpg"; ktxt[j,i] = "21.36 LT. Close up photo of 22° upper tangent arc. I did not observed any sign of Parry arc."; i=i+1; tied[j,i] = "2008/080528_2141.jpg"; ktxt[j,i] = "21.41 LT. Clouds are rising to interrup the display. Circumzenith arc is great."; i=i+1; tied[j,i] = "2008/080528_2145.jpg"; ktxt[j,i] = "21.45 LT. Arrow is pointin portion of subhelic arc. It can be seen as a short faint arc also in some earlier photos which are not shown here. Here it has already some intensity."; i=i+1; tied[j,i] = "2008/080528_2153.jpg"; ktxt[j,i] = "21.53 LT. Subhelic arc at its best. It was all the time visible only on this location of the sky. Clouds were moving quite fast and when comparing clouds in this photo to clouds in the previous photo one can see that the arc is not moving with clouds. So that proves also that this is a true halo."; rl[j]=i; // j=j+1; rtxt[j]="2007 Sept 5"; haku[j]="20070905"; otxt[j] = "Plate display (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2007/20070905_0939.jpg"; ktxt[j,i] = "A nice circumzenithal arc above the town hall of Vaala."; i=i+1; tied[j,i] = "2007/20070905_0950_6f.jpg"; ktxt[j,i] = "Parhelion and parhelic circle above lake Oulujärvi. Sky part of this photo is made by stacking 6 photos. Some unsharp masking is used for those photos."; rl[j]=i; // j=j+1; rtxt[j]="2007 Feb 23-24"; haku[j]="20070223-24"; otxt[j] = "Lunar 22° halo (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2007/20070223_1937.jpg"; ktxt[j,i] = "A nice lunar display at my home."; rl[j]=i; // j=j+1; rtxt[j]="2007 Feb 23"; haku[j]="20070223"; otxt[j] = "Odd radius display in diamond dust (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2007/20070223_1000.jpg"; ktxt[j,i] = "This display was produced by plume from local heating station. Temperature was -29°C at the beginning and -24°C at the end of display. First photos. Notice traces of odd radius halos. 23° upper plate arc and faint 18° halo/plate arcs."; i=i+1; tied[j,i] = "2007/20070223_1013.jpg"; ktxt[j,i] = "18° halo/plate arc above the road. Notice traces of 24° upper and lower plate arcs outside 22° halo."; i=i+1; tied[j,i] = "2007/20070223_1015.jpg"; ktxt[j,i] = "This photo is made by using 3 stacked HDR images. See next image for halo details."; i=i+1; tied[j,i] = "2007/20070223_1015ulab.jpg"; ktxt[j,i] = "Same photo than 3a, but with strong unsharp mask. Odd radius halos marked are: A=pyramidal heliac arc, B1=upper, B2=lower 24° plate arc and C=23° upper plate arc. Also 20° halo can be seen in some photos."; i=i+1; tied[j,i] = "2007/20070223_1024.jpg"; ktxt[j,i] = "Close up photo of circumzenithal arc and 23° upper plate arc. Notice individual crystal sparks."; i=i+1; tied[j,i] = "2007/20070223_1047.jpg"; ktxt[j,i] = "The display is fading away."; rl[j]=i; // j=j+1; rtxt[j]="2007 Feb 8"; haku[j]="20070208"; otxt[j] = "Odd radius display in diamond dust (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2007/20070208_1154.jpg"; ktxt[j,i] = "This display was produced by plume from local heating station. Temperature was -28°C - -26°C during this display. It was -35°C in the morning, but no halos at that time. A HDR image."; i=i+1; tied[j,i] = "2007/20070208_1158_9f.jpg"; ktxt[j,i] = "Stacked image. 9 jpg images are used with strong unsharp masking."; i=i+1; tied[j,i] = "2007/20070208_1158_9fb.jpg"; ktxt[j,i] = "Enhanced and stacked photo (9 frames). Notice rare pyramidal heliac arc as white arcs from sun upleft and upright. It seems to be quite common in diamond dust displays. This is the same photo than previous photo but this is made from raw files."; i=i+1; tied[j,i] = "2007/20070208_1221_un.jpg"; ktxt[j,i] = "Only mild unsharp mask used."; i=i+1; tied[j,i] = "2007/20070208_1222_un.jpg"; ktxt[j,i] = "Only mild unsharp mask used."; i=i+1; tied[j,i] = "2007/20070208_1222_unpot.jpg"; ktxt[j,i] = "Only mild unsharp mask used."; i=i+1; tied[j,i] = "2007/20070208_1224_un.jpg"; ktxt[j,i] = "Only mild unsharp mask used."; rl[j]=i; // j=j+1; rtxt[j]="2007 Feb 7"; haku[j]="20070207"; otxt[j] = "22° halo and parhelia in diamond dust (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2007/20070207_1201.jpg"; ktxt[j,i] = "This display was produced by plume from local heating station. Right parhelion is here in front of a tree. Temperature was -28°C."; i=i+1; tied[j,i] = "2007/20070207_1202.jpg"; ktxt[j,i] = "Individual sparks of ice crystals in front of nearby trees. Trees were about 40 meters away."; rl[j]=i; // j=j+1; rtxt[j]="2007 Feb 6"; haku[j]="20070206"; otxt[j] = "Odd radius display in diamond dust (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2007/20070206_1219.jpg"; ktxt[j,i] = "This display was produced by plume from local heating station. Halos over the Oulujoki river. Temperature was -26°C."; i=i+1; tied[j,i] = "2007/20070206_1220.jpg"; ktxt[j,i] = "Halos over the Oulujoki river. Notice subsun agains ice cover of the river. Notice also ground halos. On the left there seems to be two halos on the ground?"; i=i+1; tied[j,i] = "2007/20070206_1237.jpg"; ktxt[j,i] = "Diffuse stage of the display. Here is 18° halo with 22° halo."; i=i+1; tied[j,i] = "2007/20070206_1245.jpg"; ktxt[j,i] = "Halos are 22° halo, sun pillar, faint 22° upper tangent arc, circumzenithal arc and faint 46° halo."; i=i+1; tied[j,i] = "2007/20070206_1314.jpg"; ktxt[j,i] = "18° stuff are clearly visible here. See next for more."; i=i+1; tied[j,i] = "2007/20070206_1314st4.jpg"; ktxt[j,i] = "Stacked image of 4 frames taken hand held camera. No tripod with me. Notice faint arcs rising from the sun toward upleft and upright. That is a rare halo known as pyramidal heliac arc."; i=i+1; tied[j,i] = "2007/20070206_1316.jpg"; ktxt[j,i] = "Unfortunately I was at work and I could not follow the display longer."; rl[j]=i; // j=j+1; rtxt[j]="2007 Feb 5"; haku[j]="20070205"; otxt[j] = "Parhelia in diamond dust (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2007/20070205_0949.jpg"; ktxt[j,i] = "A nice diamond dust display while driving to work. Left parhelion over the lake Oulujärvi. Temperature was -28°C."; i=i+1; tied[j,i] = "2007/20070205_1008.jpg"; ktxt[j,i] = "This display was never better than this. However, I did not manage to find my way inside the main crystal clould."; rl[j]=i; // j=j+1; rtxt[j]="2007 Jan 31-Feb 1"; haku[j]="20070131-0201"; otxt[j] = "Lunar 22° halo (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2007/20070131_1811.jpg"; ktxt[j,i] = "HDR image from a single raw file. Not much unsharp masking. Nikon D70, 10.5 mm Fish-eye, 6s, f/2.8, ISO 400."; i=i+1; tied[j,i] = "2007/20070131_1811_4f.jpg"; ktxt[j,i] = "Stacked image with unsharp mask. 4 frames from jpg files. Notice a small and faint circular feature around the moon. That is an artefact made by jpg packing of camera."; i=i+1; tied[j,i] = "2007/20070131_1811_4fraw.jpg"; ktxt[j,i] = "Stacked image with unsharp mask. 4 frames from raw (NEF) files. Frames are same as in previous image. Raw files were open with +1 exposure compensation, that is why this is brighter than jpg-image."; rl[j]=i; // j=j+1; rtxt[j]="2006 Dec 19-20"; haku[j]="20061219-20"; otxt[j] = "22° halo on a rear window of a car (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2006/061219_2484.jpg"; ktxt[j,i] = "I noticed that there is a 22° halo on my cars rear window caused by street lights. Also 46° halo was visible when direction of light was correct."; rl[j]=i; // j=j+1; rtxt[j]="2006 Dec 19"; haku[j]="20061219"; otxt[j] = "Subparhelion on ice covered lake (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2006/061219_2435.jpg"; ktxt[j,i] = "Plate ice crystals fell on ice and produce this subparhelia. You can see from photos that it is not more common 22° halo on ground. Temperature was about -18°C."; i=i+1; tied[j,i] = "2006/061219_2440.jpg"; ktxt[j,i] = "This halo is clearly parhelion not 22° halo which is much more common on ground."; i=i+1; tied[j,i] = "2006/061219_2464.jpg"; ktxt[j,i] = "A nice flat spot on ice shows subparhelion well."; i=i+1; tied[j,i] = "2006/061219_2473.jpg"; ktxt[j,i] = "A HDR image with subparhelion on ice."; rl[j]=i; // j=j+1; rtxt[j]="2006 Nov 13"; haku[j]="20061113"; otxt[j] = "Parhelia in diamond dust (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2006/061113_0933.jpg"; ktxt[j,i] = "Interesting diamond dust display. It looked like ice crystals were falling from the hole in cloud deck and the halo was brightest on the edge of the hole. Temperature was about -10°C."; i=i+1; tied[j,i] = "2006/061113_0935.jpg"; ktxt[j,i] = "Here you can see the hole in the clouds."; i=i+1; tied[j,i] = "2006/061113_0938.jpg"; ktxt[j,i] = "Artistic parhelion..."; rl[j]=i; // j=j+1; rtxt[j]="2006 Aug 25"; haku[j]="20060825"; otxt[j] = "Halos from trip to Skibotn, Norway"; ra[j]=i; i=i+1; tied[j,i] = "2006/060825_muotkatakka.jpg"; ktxt[j,i] = "In Muotkatakka, the highest point of Finnish roads. This photo is so called HDR-image. It is made by using several different exposures."; i=i+1; tied[j,i] = "2006/060825_kilpisjarvi.jpg"; ktxt[j,i] = "In Kilpisjärvi just before border between Finland and Norway. A faint Parry arc was visible for a short time. This is a HDR-image."; i=i+1; tied[j,i] = "2006/060825_skibotn.jpg"; ktxt[j,i] = "In Skibotn, Norway. Display got long but faint parhelic circle and infralateral arcs. HDR-image."; rl[j]=i; // j=j+1; rtxt[j]="2006 June 12"; haku[j]="20060612"; otxt[j] = "Polarization of 22° upper arc (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2006/060612_22ysk_pola.gif"; ktxt[j,i] = "This animation of two frames shows polarization shift of 22° upper tangent arc. White dot is to help notice the shif."; rl[j]=i; // j=j+1; rtxt[j]="2006 May 15"; haku[j]="20060515"; otxt[j] = "Stacking test (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2006/060515_1321-1322_9f.jpg"; ktxt[j,i] = "Stacking lots of images taken during a long period of time (not too long thou) halos become much easier to see in photos. This photo has 9 different frames stacked."; i=i+1; tied[j,i] = "2006/060515_1321_8970.jpg"; ktxt[j,i] = "One of the original frames used in the first stacked image. Can you see the difference?"; rl[j]=i; // j=j+1; rtxt[j]="2006 May 6"; haku[j]="20060506"; otxt[j] = "Odd radius halos (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2006/060506_1054-1059_9f.jpg"; ktxt[j,i] = "Stacked image with 9 frames."; i=i+1; tied[j,i] = "2006/060506_1204_8716.jpg"; ktxt[j,i] = "Single frame photo. Strongly enhanced to show details. There is 9°, 18°, 20° and 23° halo with 23° upper plate arc."; i=i+1; tied[j,i] = "2006/060506_1210-1215_13f.jpg"; ktxt[j,i] = "Stacked image with 13 frames."; i=i+1; tied[j,i] = "2006/060506_1222-1230_24f.jpg"; ktxt[j,i] = "Stacked image with 24 frames."; i=i+1; tied[j,i] = "2006/060506_1230-1240_24f.jpg"; ktxt[j,i] = "Stacked image with 24 frames."; i=i+1; tied[j,i] = "2006/060506_1246-1255_11f.jpg"; ktxt[j,i] = "Stacked image with 11 frames."; i=i+1; tied[j,i] = "2006/060506_1308-1314_25f.jpg"; ktxt[j,i] = "This is the best stage of this display. See long 35° halo and parctically full 20° halo. Stacked image with 25 frames."; i=i+1; tied[j,i] = "2006/060506_1334-1340_22f.jpg"; ktxt[j,i] = "Stacked image with 22 frames."; i=i+1; tied[j,i] = "2006/060506_23yph_pola.gif"; ktxt[j,i] = "Animation that shows the polarization shift of 23° plate arc."; rl[j]=i; // j=j+1; rtxt[j]="2006 April 13"; haku[j]="20060413"; otxt[j] = "22° halo (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2006/060413_1237_8350.jpg"; ktxt[j,i] = "Testing my new fish-eye lens."; rl[j]=i; // j=j+1; rtxt[j]="2006 March 4"; haku[j]="20060304"; otxt[j] = "Circumzenithal arc with landscape (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2006/060304_7955.jpg"; ktxt[j,i] = "First halo photo with my new 10.5mm Nikon fish-eye lens for my digital Nikon D70."; rl[j]=i; // j=j+1; rtxt[j]="2004 June 18"; haku[j]="20040618"; otxt[j] = "Subhorizon halos from an airplane (over Baltic Sea)"; ra[j]=i; i=i+1; tied[j,i] = "2004/20040618.jpg"; ktxt[j,i] = "I was returning from halo meeting in Bad Honnef, Germany when I saw this display. Nice lower tangent arc and subparhelion."; rl[j]=i; // j=j+1; rtxt[j]="2002 May 19"; haku[j]="20020519"; otxt[j] = "Circumzenithal arc (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2002/020519_2619.jpg"; ktxt[j,i] = "Very bright circumzenithal arc."; rl[j]=i; // j=j+1; rtxt[j]="2002 May 13"; haku[j]="20020513"; otxt[j] = "Odd radius halos (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2002/020513_2569.jpg"; ktxt[j,i] = "I had one of my best odd radius displays just one day earlier. This get even better in some parts."; i=i+1; tied[j,i] = "2002/020513_2592.jpg"; ktxt[j,i] = "9°, 18°, 20°, 22/23° and 35° halos. Notice that in this display 20° halo was brighter than 18° halo. Usually it is 20° halo which is faint. Bright arc on top is 23° plate arc."; i=i+1; tied[j,i] = "2002/020513_2596.jpg"; ktxt[j,i] = "9°, 18°, 20° and 35° halo. Also 23° upper plate arc is clear. Broad halo in place where 22° halo usually is probably have both 22° and 23° halos. Those halos were not possible to identify for sure."; rl[j]=i; // j=j+1; rtxt[j]="2002 May 12"; haku[j]="20020512"; otxt[j] = "Odd radius halos (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2002/020512_2463.jpg"; ktxt[j,i] = "In May 2002 I saw two days good odd radius halos. This was the first day."; i=i+1; tied[j,i] = "2002/020512_2468.jpg"; ktxt[j,i] = "Notice 9°, 18° and 23° plate arcs."; i=i+1; tied[j,i] = "2002/020512_2493.jpg"; ktxt[j,i] = "This have nice 9°, 18° and 24° plate arcs."; i=i+1; tied[j,i] = "2002/020512_2495.jpg"; ktxt[j,i] = "A long 35° halo is the outhermost circular halo."; i=i+1; tied[j,i] = "2002/020512_2507.jpg"; ktxt[j,i] = "A close up photo."; i=i+1; tied[j,i] = "2002/020512_2516.jpg"; ktxt[j,i] = "'Halos? I can not see any halos here'... This display lasted hours so I have time to make some joking with it."; i=i+1; tied[j,i] = "2002/020512_2521.jpg"; ktxt[j,i] = "This display lasted for hours and halos were quite bright."; rl[j]=i; // j=j+1; rtxt[j]="2002 Jan 23"; haku[j]="20020123"; otxt[j] = "44° parhelion in diamond dust (Vaala, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "2002/020123_2370.jpg"; ktxt[j,i] = "This diamond dust display has some really rare halos. First notice very bright parhelia. Then you can see that there is two arcs rising upward from parhelion. They are reflected Lowitz arcs. If you look carefully you can see a colored batch about twice as far from the sun as parhelion is. That is 44° parhelion."; i=i+1; tied[j,i] = "2002/020123_2370m.jpg"; ktxt[j,i] = "Same photo that the first one, but this time enhanced to show faint features. Arrow is now pointing at 44° parhelion which was photographed only once before this in the World. I have measured this photo and the colored arc is not far enough for any of more common 46° halos."; i=i+1; tied[j,i] = "2002/020123_2370m2.jpg"; ktxt[j,i] = "Other enhanced version of the same photo. Here you can see the 44° parhelion easily. This photo is made by scanning original slide with digital camera (Nikon D70) instead of film scanner."; i=i+1; tied[j,i] = "2002/020123_2376.jpg"; ktxt[j,i] = "Also parhelia where really bright. Notice that there was no 22° halo or upper tangent arc during the entire display."; rl[j]=i; // j=j+1; rtxt[j]="1999 June 9"; haku[j]="19990609"; otxt[j] = "Odd radius halos (Oulunsalo, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1999/990609_2171.jpg"; ktxt[j,i] = "Very typical odd radius display. Almost clear sky and there is faint halos. It first seems that there is 22° upper arc, but soon you realize that there is also 18° halo with 18° plate arc. The uppermost arc is in matter of fact 23° upper plate arc. Here it is with 23° halo."; rl[j]=i; // j=j+1; rtxt[j]="1997 March 3"; haku[j]="19970303"; otxt[j] = "Bottlinger rings from an airplane (somewhere over northern Russia)"; ra[j]=i; i=i+1; tied[j,i] = "1997/970303_0001.jpg"; ktxt[j,i] = "I saw it first for a few second. Was it a Bottlinger ring? I took my camera and I put it ready. Then it came back and I got the photo. After a few second the Bottlinger ring was gone. This is a bad scan from a dublicated slide.
Photo © Oymyakon Expedition"; rl[j]=i; // j=j+1; rtxt[j]="1996 April 27"; haku[j]="19960427"; otxt[j] = "Parry, Heliac arc etc. (Oulunsalo, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1996/960427_1638.jpg"; ktxt[j,i] = "See that great Parry arc. Also heliac arc is visible in this photo."; i=i+1; tied[j,i] = "1996/960427_1649.jpg"; ktxt[j,i] = "Heliac arc getting better. Notice also upper Tape arc on right next to Wegener arc. This is still my best display in Finland."; rl[j]=i; // j=j+1; rtxt[j]="1996 April 8"; haku[j]="19960408"; otxt[j] = "Odd radius halos (Suomussalmi, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1996/960408_1617.jpg"; ktxt[j,i] = "In the April 1996 I saw odd radius halos four days in row. This was the day four. There is 9° and 18° halos and 9° lower plate arc."; rl[j]=i; // j=j+1; rtxt[j]="1996 April 7"; haku[j]="19960407"; otxt[j] = "Odd radius halos (Suomussalmi, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1996/960407_1518.jpg"; ktxt[j,i] = "In the April 1996 I saw odd radius halos four days in row. This was the day three. Here you can see at least 9° and 18° halos."; rl[j]=i; // j=j+1; rtxt[j]="1996 Feb 4-5"; haku[j]="19960204-05"; otxt[j] = "Lunar Wegener and diffuse arcs (Oulunsalo, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1996/960204_1306.jpg"; ktxt[j,i] = "This is the best lunar display I have seen so far. There is Wegener arcs and also faint diffuse anthelic arcs below parhelic circle. I did see Wegener arcs myself but diffuse arcs I did not found before I check my photos. Also 120° parhelia (or parselene if you prefer) are visible."; rl[j]=i; // j=j+1; rtxt[j]="1996 Jan 17"; haku[j]="19960117"; otxt[j] = "A diamond dust display (Donelly, Alaska, USA)"; ra[j]=i; i=i+1; tied[j,i] = "1996/960117_1195.jpg"; ktxt[j,i] = "Very nice display while driving in Alaska. Observers in this photos are Walter Tape and Günther Können."; rl[j]=i; // j=j+1; rtxt[j]="1995 Nov 27"; haku[j]="19951127"; otxt[j] = "Rare halos in a diamond dust display. (Oulunsalo, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1995/951127_1093.jpg"; ktxt[j,i] = "This was the display where I first time observed a new halo arc which is now known as Moilanen arc. The arc can be seen in photos too, but it was mainly seen as individual sparks of ice crystals. Those sparkling halos are hard to photograph and even harder to scan. If you look this photo carefully you may see it as a broadening on sun pillar in half way from the sun to upper tangent arc."; rl[j]=i; // j=j+1; rtxt[j]="1995 June 14"; haku[j]="19950614"; otxt[j] = "A good 22° halo (Oulunsalo, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1995/950614_0799.jpg"; ktxt[j,i] = "Very nice case of this most common halo form."; rl[j]=i; // j=j+1; rtxt[j]="1995 Feb 12"; haku[j]="19950212"; otxt[j] = "Subsun (Oulunsalo, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1995/950212_0489.jpg"; ktxt[j,i] = "Subsun seen from a edge of a sand pit. You can actually see individual crystals."; rl[j]=i; // j=j+1; rtxt[j]="1993 May 28"; haku[j]="19930528"; otxt[j] = "Sun pillar (Suomussalmi, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1985-94/930528_0108.jpg"; ktxt[j,i] = "A very beautiful pillar over setting sun."; rl[j]=i; // j=j+1; rtxt[j]="1988 April 27"; haku[j]="19880427"; otxt[j] = "A nice infralateral arc (Kokkola, Finland)"; ra[j]=i; i=i+1; tied[j,i] = "1985-94/880427_0014.jpg"; ktxt[j,i] = "This is the oldest halo photo I have here. I have photographed some halos already earlier, but nothing worth of publishing."; rl[j] = i; // j=j+1; rtxt[j]="Polarization effects of halos"; haku[j]="pola"; otxt[j] = "22° UTa and 23° UPh"; ra[j]=i; i=i+1; tied[j,i] = "2006/060506_23yph_pola.gif"; ktxt[j,i] = "This animation of two frames shows polarization shift of 23° plate arc. Arc is closer to the sun when horizontally polarized light gets through. Letter V means that polarizer is filtering vertically polarized light. That means the main axis of ice crystals is vertical.
6 May 2006, Vaala, Finland."; i=i+1; tied[j,i] = "2006/060612_22ysk_pola.gif"; ktxt[j,i] = "This animation of two frames shows polarization shift of 22° upper tangent arc. White dot is to help notice the shif. Arc is closer to the sun when vertically polarized light gets through. Letter H means that polarizer is filtering horizontally polarized light. That means the main axis of ice crystals is horizontal. That tells us that the arc is formed probably by single oriented column ice crystals.
12 June 2006, Vaala, Finland."; rl[j] = i; //