A cumulonimbus cloud with magnificent mammatus 26.6.2012

Observed phenomena: Mammatus clouds Date: 26.6.2012 Time: 20:23-20:40 Observing place: Ulvila, Finland Observing method: Photography Technical information about photographing equipment: Camera: Canon EOS 1100D, lens: Canon EF-S 18-55mm IS On 26th of June, I observed a really magnificent cumulonimbus cloud with some impressive mammatus! The beginning of this display was a humble one, but it …

Observing season 2011-2012 – a retrospective view

Overall view of the observing season Summer solstice 2012 happened just a few days ago here in the Northern Hemisphere (21.6.2012). It means that the days are getting shorter and nights are getting longer again. It also means the change of observing season for me, the moment of summer solstice is the boundary between the …

Lunar pollen corona 8./9.6.2012

Observed phenomena: Pollen corona Light source: Moon Origin: Pine pollen Date: 8./9.6.2012 Time: 01:20-01:50 Observing place: Ikaalinen, Finland Observing method: Photography Technical information about photographing equipment: Camera: Canon EOS 1000D, lens: Canon EF-S 18-55mm, L80/400mm I was driving back to Seitseminen, and I decided to have a break in Ikaalinen. Meanwhile, I gazed the sky …

Moon pillar 7./8.6.2012

Observed phenomena: Halo phenomena Light source: Moon Origin: High clouds (cirrostratus) Observed halo forms: Moon pillar Date: 7./8.6.2012 Time: 01:00-02:10 Observing place: Turku, Finland Observing method: Photography Technical information about photographing equipment: Camera: Canon EOS 1000D, lens: Canon EF-S 18-55mm While observing noctilucent clouds, I observed also a Moon pillar. Sun/Moon pillar is almost an …

7./8.6.2012 First noctilucent clouds of the season!

Observed phenomena: Noctilucent clouds Observed NLC forms: I (Veil) IIb (Bands with sharply defined edged) IIIa (Short, straight and narrow streaks) IVb (Simple curve(s) with angular radius of 3 - 5 degrees) Brightness of the NLCs: 2 (clearly detected, but having low brightness) Colour of the NLCs: pale blue Areal extent of the NLCs: 1/4 …

A halo meets a pollen corona 7.6.2012

Observed phenomena: Halo phenomena, pollen corona Light source: Sun Origin: High clouds (cirrostratus), pollen of birch Observed halo forms: Sun pillar Date: 7.6.2012 Time: 20:35 Observing place: Turku, Finland Observing method: Photography Technical information about photographing equipment: Camera: Canon EOS 1000D, lens: Canon EF-S 18-55mm On 7th of June 2012, a pollen corona (caused by …

Transit of Venus 6.6.2012

Observed phenomena: Transit of Venus Type of observation: Negative Date and time: 6.6.2012, 04:00-07:50 Observing place: Parainen, Finland Observing conditions: Cloudy sky The historical transit of Venus was happening behind clouds!!! Yes, the horrible truth is, that in my observing site, the sky was completely cloudy during the transit. I tried to observe the event …

Pine pollen corona 4.6.2012

Observed phenomena: Pollen corona Light source: Sun Origin: Pine pollen Date: 4.6.2012 Time: 21:00 Observing place: Äetsä, Sastamala, Finland Observing method: Photography Technical information about photographing equipment: Camera: Canon EOS 1000D, lens: Canon EF-S 18-55mm On 4th of June 2013, I observed a well-developed pine pollen corona in Pehula, Äetsä, Finland. The typical shape of …