Low altitude birch pollen corona 22.5.2012

Observed phenomena: Pollen corona Light source: Sun Origin: Birch pollen Date: 22.5.2012 Time: 20:45 Observing place: Tampere, Finland Observing method: Photography Technical information about photographing equipment: Camera: Canon EOS 1000D, lens: Canon EF-S 18-55mm On 22th of May 2012, I observed a nice low altitude birch pollen corona in Tampere, Finland. The birch pollen coronas …

Observing crescent Venus 8./9.5.2012

Date: 8./9.5.2012 Time: 23:20-00:15 Observing site: Kuru, Ylöjärvi, Finland Instrument: L102/1000mm (4” Refractor) NELM: 3,0 Weather: Clear sky, some high clouds Objects observed: Venus Planet Venus was still visible during the nights of early May at low altitude in NW sky. I observed Venus in 8th of May at 23:25, and then Venus appeared as …

Halo display 7th of May 2012

Observed phenomena: Halo phenomena Light source: Sun Origin: High clouds (cirrostratus) Observed halo forms: 22° halo Upper tangent arc Lower tangent arc Parhelia Parhelic circle Date: 7.5.2012 Time: 16:10-16:35 Observing place: Ikaalinen, Finland Observing method: Photography Technical information about photographing equipment: Olympus μ 1030 SW I observed a nice little halo display while working in the …