Halos

Common Halos

1. 22 degree halo
2. Sun pillar (extremely faint)
3. Sun dogs (22 degree parhelia)

Subparhelia

4a. Upper tangent arc (22 degrees)
4b. Lower tangent arc (22 degrees)

Circumscribed halo

5. Circumzenith arc

Circumhorizon arc

6. 46 degrees halo
7a. Supralateral arc
8. Parhelic circle
9. Liljequist parhelia

Rare Halos

7b. Infralateral arcs (bright)
10. 120 degree parhelia (not very bright)
11. Parry arc (upper suncave)
12. 9 degree halo (very faint)
13. 9 degree lower parhelia
14. 18 degree parhelia (extremely faint)
15. 24 degree lower parhelia (not very bright)
16. Wegener's anthelic arcs
17. Anthelion (intersection of 8, 19, 20)
18. Hastings' anthelic arcs (never photographed outside South Pole)
19. Greenler's anthelic arcs
20. Tricker's anthelic arcs (partly superimposed with 19)
21a. Upper Tape arcs (not very bright)
21b. Lower Tape arcs (bright)
22. Heliac arc (fainter near sun)
23. Subhelic arc (not very bright)
24. Subanthelic anthelic arc (very rarely seen outside Antarctica)


22 degree halo

Sun pillar

Parhelia & paraselene

Upper tangent arc

Lower tangent arc

Circumscribed halo

Circumzenith arc

Circumhorizon arc

46 degrees halo
Supralateral arc
Infralateral arcs

Parhelic & paraselenic circle

Liljequist parhelia

120 degree parhelia

Parry arc
9 degree halo
9 degree lower parhelia
18 degree parhelia
24 degree lower parhelia
Wegener's anthelic arcs

Anthelion

Hastings' anthelic arcs
Greenler's anthelic arcs
Tricker's anthelic arcs
Upper Tape arcs
Lower Tape arcs
Heliac arc
Subhelic arc
Subanthelic anthelic arc

Light pillars

2012-05-21 Breil-sur-Roya, 06, F 1 2 3

2009 dec 19, Grd St Bernard, CH

2008 aug 16 ~20:45 UT, Breil-sur-Roya, 06, F azimuth SSW

2004 jan 04, Bourg-St Pierre, CH