AKM e.V. Forum

FYI. Another reflection bow. Photographed at Vaasa, Finland (13.9.2024) https://www.taivaanvahti.fi/observations/show/127258 I have not seen this kind of "half circle" reflection bow. I do not know of similar photos. Usually a smaller fragment of the reflection bow is visible, on eirther s...

fyi, from today, norwegian fireball network info http://norskmeteornettverk.no/wordpress/?p=3619 https://norskmeteornettverk.no/meteor/20240810/020037/ Curious to know, did anyone from northern parts of Germany had fireball cameras pointing to low north horizon? I assume this could be visible, is we...

Looks very nice, duration is approx 8.5 sec
https://www.taivaanvahti.fi/observations/show/119909

view to southern sky at my location in central Finlad, 00:54 local time... Beautiful show of different forms and colours...

fyi, reflection subsun halo at 30.10.2022 (Juva, Finland)
https://www.taivaanvahti.fi/observations/show/110542

In URSA halomeeting at 2006 (Artjärvi, Finland), there was one presentation held by Yuji Ayatsuka. https://www.ursa.fi/ilmakeha/tapaamiset/halomeeting-2006.html There is three cases of rainbow anomaly with explaining text... http://www.asahi-net.or.jp/~cg1y-aytk/ao/rainbow_anomaly.html It is on japa...

fyi. I have not seen that kind of rainbow anomaly myself, although there could be ones... I have made search in Taivaanvahti for all observations classified as rainbow anomaly ("anomaalinen sateenkaari" in finnish). The search time begins at 1.1.1990. Totally 37 observations were found. ht...

fyi... 3/4 order bows at Lieto, Finland (30.8.2022).
https://www.taivaanvahti.fi/observations/show/108954

fyi, last summer there was two bats captured and marked with a ring. Myotis mystacinus and Myotis brandtii. Most propably there will not be any similar capturing activity this year anymore. Couple of days ago, I captured one sample photo of flying bat, together with a view to Cygnus constellation. N...

fyi. From Salo / Finland at 20.8.2022.
https://www.taivaanvahti.fi/observations/show/108726

fyi. Auroras on my fireball camera view (at central Finland) last night....
https://www.taivaanvahti.fi/observations/show/108186

fyi, some update here in Finland. I am currently on central Finland, here is sky cloudy... So cannot observe now visually NLC. Just now there is visible bright NLC structures on the webcam of south-west archipelago - more precisely at Utö Lighthouse webcam. It takes pictures every 5min. Does not see...

fyi, Primary reflection bow (9.7.2022, Naantali - Finland)
https://www.taivaanvahti.fi/observations/show/107588

FYI: 3rd and 4th order bows (5.7.2022 Juva, Finland). Also primary reflection bow under same observation...
https://www.taivaanvahti.fi/observations/show/107483

Yesterday on central Finland - primary and secondary rainbows. Tried also to take a photo of possible 3/4 order bows, did not catch anything this time...

fyi. Some weak NLC.s in Taivaanvahti, for southern Finland at 6/7 June 2022. Good to see season starting here also
https://www.taivaanvahti.fi/observations/show/107082
https://www.taivaanvahti.fi/observations/show/107081
https://www.taivaanvahti.fi/observations/show/107085

FYI: couple of observations from 28/29.5.2022
https://www.taivaanvahti.fi/observations/show/107033
https://www.taivaanvahti.fi/observations/show/107025
https://www.taivaanvahti.fi/observations/show/107011
https://www.taivaanvahti.fi/observations/show/106995

FYI. I did not capture this one with my camera, one of many observations in Finland... https://www.taivaanvahti.fi/observations/show/105396 Incoming mass estimated around 10...20kg. Main fragment around 100grams fell into Lake Ladoga, not possible to search since no ice cover on strewn field area......

fyi. First sample from central Finland today, Nikon D200 and Nikon 10.5mm/2.8. I would expect there is more stronger activity to come for the next night...

hi, Does anyone have similar Nikon lens on use, for example in halo photography? I do have some issues with it. I can take images with that lens, but there is some kind of extra "bright point" inside of lens cell visible. To me it looks like defect. I suspects it is a small part of chipped...