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NLC ALERT 3rd July

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Its kicking off big style up here in the North so watch your horizon tonight.
Kieran
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12 years 10 months ago #79173

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Replied by Keith g on topic Re:NLC ALERT 3rd July

Will do Kieran, hopefully there will be some nice images????

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If a telescope can fit into your backyard it's too small. If you can't move it, it's too big." -- John Dobson
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Replied by michaeloconnell on topic Re:NLC ALERT 3rd July

Here with John Flannery at the mo in Monasterevin. We reckon it's too early at this time to see NLCs. However, what is visible are wave-like cloud bands in the upper atmosphere caused by the volcano in Russia. Well worth a look. See spaceweather.com for more info.
Last edit: 12 years 10 months ago by michaeloconnell.
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Replied by phoenix on topic Re:NLC ALERT 3rd July

Have to agree Michael. Structure in it was a beaut and very similar to that seen in NLC's. Wish I'd taken some images.
Kieran
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ancarraigobservatory.co.uk/
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Replied by michaeloconnell on topic Re:NLC ALERT 3rd July

Took a couple of snaps earlier.
Here's one:



Michael.
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Replied by jonathan on topic Re:NLC ALERT 3rd July

It sure did look like nlc's but was a volcanic sunset the first one i have seen and imaged here is one of the images i took.


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Replied by Frank Ryan on topic Re:NLC ALERT 3rd July

Class.
Must keep an eye out for unusual coloured sunsets due to the volcano.

Those 'waves' remind me of 'asmospheric gravity waves'
(not to be confused with 'gravitational waves'.)
or to give them the correct term 'undular bore'
en.wikipedia.org/wiki/Undular_bore
I've seen some videos of these on the net and sometimes the way they
move reminds me of NLC's.
We had a NLC talk by Dave L at our last meeting and some of the
timelapse vids he showed really looked similar in ways.

Anyway...
if you've never seen one they look like this,
- From space :
cimss.ssec.wisc.edu/goes/blog/archives/625

from the ground:




Not that I'm into clouds now or anything - but I think it's curious.
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Last edit: 12 years 10 months ago by Frank Ryan.
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Replied by Frank Ryan on topic Re:NLC ALERT 3rd July

michaeloconnell wrote:

Here with John Flannery at the mo in Monasterevin. We reckon it's too early at this time to see NLCs. However, what is visible are wave-like cloud bands in the upper atmosphere caused by the volcano in Russia. Well worth a look. See spaceweather.com for more info.


Very cool!
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