(meteorobs) It is a GLONASS (Re: satellite question)

[Mike Hankey]

Hello,

Marco thanks for the identification and Tony thanks for the added
information. Next time I see something like this I will know what it
is. Marco regarding the camera and lens configuration I used a Canon
40D and a Canon EF 24mm f/1.4L II USM. The EF lens I specifically
bought for meteor photography but was disappointed when I used it and
realized it had a smaller FOV than my Tamron (which cost 1/4 the
price). I was attracted to the lens because of its fast focal ratio,
but I wouldn't recommend this lens for meteor photography as its FOV
is smaller than other cheaper lenses out there. I'm still searching
for the perfect / best meteor camera lens if anyone has suggestions.

Thanks,

Mike

On Tue, Jan 5, 2010 at 3:17 AM, Marco Langbroek
<marco.langbroek at wanadoo.nl> wrote:
> Op 5-1-2010 08:46, Marco Langbroek schreef:
>
>> Definitely a satellite, in a Molniya-type orbit. I'll try to identify it for you
>> later today when back from work.
>
> Decided to try before I went for work.
>
> It is Kosmos 1948 (88-043C), a Russian GLONASS navigation satellite launched in
> 1988. GLONASS is the Russian equivalent of the American GPS. They move in orbits
> with a revolution period of two revolutions/day, at roughly 19000 km altitude
> (that's some 12000 miles).
>
> - Marco
>
> PS: what camera/lens combination did you use?
>
> -----
> Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
> e-mail: sattrackcam at wanadoo.nl
>
> Cospar 4353 (Leiden):   52.15412 N, 4.49081 E (WGS84), +0 m ASL
> Cospar 4354 (De Wilck): 52.11685 N, 4.56016 E (WGS84), -2 m ASL
> SatTrackCam: http://home.wanadoo.nl/marco.langbroek/satcam.html
> Station (b)log: http://sattrackcam.blogspot.com
> -----
>
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