Re: Are iridium flares less common in some areas?

From: Robert Holdsworth (robbonz1@xtra.co.nz)
Date: Mon Apr 18 2005 - 14:31:22 EDT

  • Next message: Robert Holdsworth: "Re: Are iridium flares less common in some areas?"

    ----- Original Message ----- 
    From: "Tom Wagner" <sciteach@mchsi.com>
    To: <SeeSat-L@satobs.org>
    Sent: Sunday, April 17, 2005 12:03 PM
    Subject: Re: Are iridium flares less common in some areas?
    
    
    > Regarding a thread that I started on Fri May 10, 2002, the subject which I 
    > am responding to here, I have just received a response from a researcher 
    > at the South Pole itself. In my message I had noted how many flares should 
    > be visible per 24 hour period at the Amundsen-Scott south pole station. 
    > The archived e-mail that this person discovered recently is here. 
    > http://satobs.org/seesat/May-2002/0095.html
    >
    > I will quote what he has told me. [Also included is some other off topic 
    > information. It's quite fascinating.] I'm waiting to see if I can list his 
    > e-mail address. If so, I will post that later. Although, now that I think 
    > about it, his website is listed so you can probably e-mail him through 
    > that if you wish.
    >
    > Begin quote:
    >
    > I just stumbled on this old (2002) conversation you had about iridium 
    > flares. I am currently in my third year at South Pole Station. Because I 
    > run 11 projects, mostly in upper atmospheric physics, I have to walk 
    > almost three miles every day of the year to visit my various sites. 
    > Anyway, on my way over to my VLF transmitter just now, which is about one 
    > mile away from station, I caught one of the best flares I have every 
    > seen.....spectacular!
    >
    > You may want to pass this along to your mailing list.
    >
    > Yes, I see flares all the time when I am outside. The sun sets around 
    > March 21st and will rise around September 21st and it is almost completely 
    > dark now, so the auroras are getting really good now and Jupiter is 
    > visible now and just appears to rotate around us all day in the eternal 
    > darkness. This is truly a place of magic.
    >
    > If you want to see many photos of the Pole, just visit my website at 
    > http://polar.home.att.net
    > I update it at the end of every month so aurora photos will be showing up 
    > soon. I have a lot of auroras in April through August, 2004 page of the 
    > website.
    >
    > I believe carbon dioxide freezes at about -117 F at this pressure 
    > altitude. We experience pressure altitudes as much as 12,000 feet in the 
    > middle of winter. Unfortunately, the coldest static temperature I have 
    > seen so far is -108 F, although the coldest recorded temperature here 
    > was -117F. Maybe the latent heat of fusion will prohibit lower 
    > temperatures?
    >
    > Dana
    >
    > J. Dana Hrubes
    > CUSP Science Research
    > South Pole Station, Antarctica
    >
    >
    > End quote.
    >
    > Tom  Iowa  USA
    > +   +   +
    >
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