Re: [APML] Intense Aurora Over England

["Stuart Heggie" <stuart.j.heggie@sympatico.ca>]

John, those are GREAT aurora shots - I have none that have intense blue's
like that!

The only pic I have that seems to be bluer than the others is this one:
http://www3.sympatico.ca/stuart.j.heggie/Stuart.J.Heggie/cot_photos/Aurora_S
ept_2002_-_2.html

Note the Teapot in Sagittarius at the bottom - camera was aimed low and due
South! Was a very intense aurora.

Stuart
----- Original Message -----
From: "John C. Mirtle" <spampit@shaw.ca>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Wednesday, October 29, 2003 8:58 PM
Subject: Re: [APML] Intense Aurora Over England


> Blue aurora is pretty rare, it represents the most intense levels of
aurora.
> Ionized Nitrous Oxide I believe. If you have clear skies, get outside! I
> have only seen blue 3 or 4 times, it's worth a bit of sleep depravation! I
> have a couple of shots of blue on my web site from 1992. Hopefully someone
> can improve on them. We are digging out from 8" of snow, no observing for
a
> few more days. :-(
>
> http://members.shaw.ca/jmirtle/aurora2.htm
> http://members.shaw.ca/jmirtle/aurora3.htm
> http://members.shaw.ca/jmirtle/aurora4.htm
>
> Try 400 or faster film, f1.8, 30 to 34 seconds. Bracket like crazy!
>
> John Mirtle
> Calgary, Ab. Canada


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