(meteorobs) What atmospheric phenomenon is this?
Alister
aling at telus.net
Sat Jan 7 17:38:40 EST 2006
Hi!
One possibility is that it is a nacreous cloud that barely formed then
shredded itself in turbulence. Unless I'm mistaken Norway is a good place
for nacreous clouds. Although I've never heard of nacreous clouds being
turbulent, it doesn't seem like it is out of the question - after all,
mountain waves can propagate quite high and break - perhaps this is one of
those times.
Another possibility I will offer up is one of those mini-comets that was
postulated a decade ago, but there seemed contradictory evidence as to their
reality and the idea was mostly refuted.
It does seem strange that these were not seen with the unaided eye - at face
value, they look no fainter than a faint noctilucent cloud display.
Well the wonder of a digital camera is that you should feel free to let the
camera take a long series at 5 second intervals to see if you can catch
more, nothing lost other than some wear on the shutter.
Good observing,
Alister.
----- Original Message -----
From: "geir oye" <astrog2 at yahoo.com>
To: <meteorobs at meteorobs.org>
Sent: Saturday, January 07, 2006 1:34 PM
Subject: (meteorobs) What atmospheric phenomenon is this?
> Hello,
>
> This is not an observation of a meteor, but an atmospheric phenomen.
>
> What is this? I didn't see any clouds on the sky, but two cloud like
> objects appeared on the pictures. On two sequenced pictures (10 seconds
> between them). One showing a cloud, the other showing something looking
> like an expanding cloud.
>
> Pictures before and after shows no cloud/object in the same area.
>
> Please, see my www site for more info:
> http://www.geocities.com/astrog2/atmosphere.htm
>
> Regards,
> Geir Øye
>
>
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