Main Cloud Types
- 46° Halo
- 22° Halo
- Sun Dog
- Crepuscular rays & shadows
- Circumzenithal Arc
- Sun pillar
- Cloudbows / Fogbows
- Upper tangent arc
- Lower Tangent Arc
- Helic arc
- Suncave parry arc
- Circumscribed halo
- Sub parhelion
- Subparhelic circle
- Circumhorizon Arc
- Diffuse arcs
- Parry antisolar arcs
- Green flash
- Lower Sun Pillar
- Wegener arc
- Parry arc
- Infralateral arc
- Unidentified effect
- Supralateral arc
- Parry supralateral arc
- Parry infralateral arc
A parhelic circle spotted over Duvall, Washington, US.
Sundogs appearing in Cirrostratus clouds over Monte Crocetta, near Lake Maggiore in northern Italy.
2 thoughts on “Valeriano Perteghella & Michela Murano”
A fragment of a Parhelic circle over Huntersville, North Carolina, US.
A rare sighting of a section of Pahelic Circle over Kettering, UK.
A sundog and section of parhelic circle over Strawberry hill House, Twickenham, UK.
4 thoughts on “Katherine Ellis”
Very lovely, in any case!
or maybe it’s just fairy dust! :0)
Hmmm, in answer to my own question (!), the purple/white arc could indeed be just a section of the common 22 degree halo, even if the colouration is rather odd. When the Sun is high in the sky, parhelia lie quite some way outside the 22 degree halo: they only lie on the 22 degree halo when the Sun is on the horizon.
An example of this can be seen in a picture of own on Les Cowley’s OPOD:
While the parhelion in that picture of mine lies on the circumscribed halo, outside the 22 degree halo, that’s a coincidence down to the exact geometry at the time I took the picture.
Still, I still find the colour of that arc in your picture, Katherine, rather peculiar, if it is the 22 degree halo.
Very nice indeed; lovely saturated colours.
Not quite sure what the purple/white arc is though, starting on the parhelic circle a few degrees sunward of the parhelion, and then curving down towards the lower left; any ideas? Real or an optical effect in the camera?