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NLC time again

  • Frank Ryan
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  • Super Giant
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16 years 7 months ago #69143 by Frank Ryan
Replied by Frank Ryan on topic Re: NLC time again
:D
You should have seen the walls of my bedroom growing up.
I broke my poor Mothers heart.

I was looking at Starry Night and the placement of the sun
during those displays.
There was definatly a 'Window' of time when the sun hit below a certain point
and the things could not be seen.

As for where they actually are in the atmosphere above us.
I wonder how far down they extend.

My Astrophotography
Shannonside Astronomy Club __________________________________________
Meade ETX-125PE, Bresser 10 x 50 Binos & Me Peepers

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16 years 7 months ago #69145 by dave_lillis
Replied by dave_lillis on topic Re: NLC time again
Frank,
Given you have a good load of those photographs of the NLC display, would it be possible to draw a graph with time on the x-axis, sun altitude on the y-axis and then plot the NLC intensity, now that would be very useful for predicting times for these NLCs (since you've displayed your unmatched ability at drawing already :wink: :lol: ).

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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  • Frank Ryan
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16 years 7 months ago #69159 by Frank Ryan
Replied by Frank Ryan on topic Re: NLC time again

Frank,
Given you have a good load of those photographs of the NLC display, would it be possible to draw a graph with time on the x-axis, sun altitude on the y-axis and then plot the NLC intensity, now that would be very useful for predicting times for these NLCs


Interesting.
I just might do.
Boring enough task but thats what us nerds do.

(since you've displayed your unmatched ability at drawing already :wink: :lol: ).


Jeez you get away with nothing here..
one sec and I'll get out my oils.

:lol:

My Astrophotography
Shannonside Astronomy Club __________________________________________
Meade ETX-125PE, Bresser 10 x 50 Binos & Me Peepers

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16 years 7 months ago #69164 by pj30something
Replied by pj30something on topic Re: NLC time again
You should have seen the walls of my bedroom growing up.
I broke my poor Mothers heart.


Bros and Kylie posters would be enough to break any mother's heart.

Paul C
My next scope is going to be a Vixen VMC200L Catadioptric OTA

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  • Frank Ryan
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16 years 7 months ago #69192 by Frank Ryan
Replied by Frank Ryan on topic Re: NLC time again
Touché mon frère.

Ahh the memories, I can hear my mammy now
when trying get me up and go to Art College...

''When, will you, will you be famous!?''
And me responding,
''I should be so lucky, lucky lucky lucky!''

My Astrophotography
Shannonside Astronomy Club __________________________________________
Meade ETX-125PE, Bresser 10 x 50 Binos & Me Peepers

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16 years 7 months ago #69199 by daveg
Replied by daveg on topic Re: NLC time again
Paul

I saw them I think last year quite high (nearly 40deg). Due Nth about 3:30ambst near the end of june - I posted the images here (somewhere).

dave

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