AKM e.V. Forum

My observation from central Finland at 63N latitude... Image is taken on 12.10.2021, at 19:52 UT. Conditions were not good, lot of mist in the air and clouds also disturbed. At least I got radio observations done on 6m hamradio band. There were many 50MHz beacons heard through aurora propagation... ...

Another set of artificial light halos at 4.10.2021. "Projection" of local map from Pieksämäki / Finland...
https://www.taivaanvahti.fi/observations/show/101731

fyi. Observation from Puolanka, Finland (21.8.2021)
https://www.taivaanvahti.fi/observations/show/100724

Observation from Kouvola / Finland (21.8.2021)
https://www.taivaanvahti.fi/observations/show/100702

fyi. Observation from Kuusamo, Finland at 18.8.2021.
https://www.taivaanvahti.fi/observations/show/100638

There is some hamradio call owners on this forum... Is there anyone trying meteor scatter (MS) QSO's during Perseids, mainly in 6m (50MHz)? I have short beam antenna outside for 6m (listening) to south direction at central Finland. I only have limited power (QRP) on my radios, so not best possible s...

Although this thread is discussed about German translation term I mention how it is in Finland. I found a term "nollannen kertaluokan hehku". To me it looks like a direct translation of the english term "zero order glow". https://www.ursa.fi/ilmakeha/ilmiot/sateenkaaret/sateenkaa...

hi, This AKM forum seems to be using phpBB, does the SMF have a same problems on color presentation for scaled images...? I also prefer sRGB profile, for the images to presented on the web. I do image adjusting on Adobe RGB color space - then finally assing the profile based on usage of "final&...

Fyi. One observation (5.8.) from my location at central Finland. Trail location and direction sky, indicates this most propably is Perseid fireball. Duration of visible flight is 1.3sec
https://www.taivaanvahti.fi/observations/show/100278

fyi. currently on my location at central Finland, there is outside two small voice recorders (AudioMoth). One person comes out and checks those, after two weeks of recording start. It remains to be seen, how many bats are detected (also indication of species

FYI... NLC's in Taivaanvahti for 3/4.8.2021
https://www.taivaanvahti.fi/observation ... id/desc/0/

FYI; NLC in Taivaanvahti for 27/28 night. The same links shows more observation(s) later on...
https://www.taivaanvahti.fi/observation ... id/desc/0/

sample from central Finland this night, north on center at image. My location is at 63Nlatitude... Observing NLC can be exciting (with or without snakes

thanks for comments... That sound sample in Sweden, contains more info than "typical" sound samples I will need to google searching for other samples also (including last night bright fireball near to Oslo & Norway...)

From Raisio / Turku (Finland) at 14.7 / 15.7...
https://www.taivaanvahti.fi/observations/show/99658
https://www.taivaanvahti.fi/observations/show/99660

Hello, does someone know here, is there a link list available for fireballs, that have been known to generate clear audible sounds, like distant rumble (similar to thunderstorm) or more loud and sharp sonic booms ? I mean a some kind of list from cases, that include also a recorded sound samples at ...

Seems that there was good NLC's last night, was it the best display for this year in Germany ?

NLC observations in Finland, those still are located on southern Finland (as seen on the map for last night)
https://www.taivaanvahti.fi/observation ... /desc/0/20

FYI. Observations in Taivaanvahti (for Finland)
https://www.taivaanvahti.fi/observation ... id/desc/0/

in Taivaanvahti, observations at Finland
Turku, https://www.taivaanvahti.fi/observations/show/99206
Helsinki https://www.taivaanvahti.fi/observations/show/99208

seems all the NLC observations (in Finland) are still centered on southern part of this country...

Couple of weeks ago I collected rhubarb. My purpose was to make a sweet dessert soup. First I cooked a pieces of rhubarb in plain water. When picking up the stainless steel pot cover, soon water started to evaporate. It left these colorful patches on the pot lid. Any ideas, what is root cause for th...