observed in Turku, Finland, exept:
feb 20 and 23 Kempele, Finland, feb 24 Pietarsaari–Mustasaari, Finland
apr 19 Turku and Pohja–Paimio, Finland
may 7 Paimio and Turku, Finland, may 14 Turku and Porvoo–Kirkkonummi, Finland
jun 11 Kempele, Finland, jun 13 Muonio–Enontekiö, Finland and Kautokeino, Norway, jun 16 and 17 Enontekiö, Finland, jun 18 Sollefteå, Sweden, jun 20 Kempele, Finland, jun 21 Mustasaari–Vaasa and Turku, Finland, jun 28 Suomusjärvi, Finland, jun 29 Porvoo, Finland
jul 19 Turku and Helsinki, Finland, jul 23 Porvoo, Finland, jul 24 Porvoo–Halikko and Turku, Finland
oct 7 Piikkiö–Perniö, Finland, oct 21 Salo and Porvoo, Finland, oct 28 Paimio, Finland
dec 25 Sipoo, Finland

22° halo
sun pillar
parhelia
22° upper/lower tangent arc

other halo forms

2.4. 2000

8.20 – 11.05
22° halo, parhelia, 22° tangent arc, 46° supralateral arc

13.30 –
22° halo, parhelia, 22° tangent arc, parhelic circle, 120° parhelia

14.00 – 18.30
22° halo, parhelia, circumzenithal arc

Turku

20.4. 2000

11.15
22° halo, parhelia, 22° tangent arc

12.00 – 14.00
22° halo, parhelia, 23° upper plate arc (?)

Turku

29.4. 2000

9.15 – 13.15
22° halo, 22° tangent arc

13.25 – 16.00
22° halo, parhelia, 22° tangent arc, 46° infralateral arc

Turku

30.4. 2000

6.50 – 7.50
22° halo, parhelia, 22° tangent arc

11.10 – 12.45
22° halo, parhelia, 22° tangent arc, parhelic circle, 46° infralateral arc

13.10 – 14.45
22° halo, parhelia, 22° tangent arc, 46° halo, parhelic circle, 46° infralateral arc, Wegener anthelic arc

16,15 –
22° halo, parhelia, 22° tangent arc

17.50 – 18.35
22° halo, parhelia, 22° tangent arc, circumzenithal arc

20.25 – 20.45
22° halo, 22° tangent arc

Turku