Yi.S.Xie at gmail dot com says...

http://home.comcast.net/~skysat/algo.txt

This is probably off-topic, and I would apprecitate a reference to a
more appropriate group. All the same, some in this group might also find it
interesting. I am seeking references to more thoroughly study this.

There are times at sunrise and sunset when clouds, and the steam from
the local power plant, appear pink. I have found it interesting to try to
predict it. Obviously, the local sunrise and sunset times are involved, but
there has to be enough red light available in sky to be reflected from the
clouds or the steam, which leads to such things as the two forms or
light-scattering that color the sky, and to a better understanding of how
the atmosphere acts as a lens.

The steam from the power plant is to the East of me. At sunset, any
clouds to East are at a much higher altitude. I initially expected the
steam clouds to be pink at the same time as the clouds in that same part of
the sky. It should have been more obvious that the steam clouds, at such a
low altitude, would be pink at nearly the same time as clouds to the North
and South. i.e. the time when red light is available to make them pink is
nearly the time when clouds show pink along my "meridian". I expect there
are more such things to be learned, that I haven't yet considered.

Thanks in advance,

Daily Updated Satellite Keys - 06-12-2006

UPC DIRECT
MEDIATECH
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Available in 13 languages

Members of our list may also be interested in viewing this article on
SPACE.com concerning visibility of the upcoming night launch of
Discovery that is scheduled for Thursday evening:

http://space.com/scienceastronomy/061205_shuttle_spotting.html_

Based on the "visibility footprint" map, the best region to watch the
Shuttle's powered ascent to orbit is across the Carolinas, where both the
solid rocket
boosters and three-main engine burn (to MECO) should be visible.

Tim

Hi Marco

Thank you for your reply. For a few months now I've been lurking in the
Seesat-D mailing list, so I read your email in the latest digest yesterday
when I got home. It was very amusing to read we had such a similar
experience :-)

Greetings,

Margreet Mol

"SatTrackCam" gmail.com> wrote in message
news:1164824694.570641.144490@l12g2000cwl.googlegroups.com...
Hi Margreet,

Observing from Leiden, I had exactly the same experience with UARS and
ISS as you this morning! I too initially mistook UARS for ISS. See my
message at the SeeSat mailing list:

http://www.satobs.org/seesat/Nov-2006/0283.html

I was photographing at that time, so I shot pictures of both UARS and
ISS. URL's to those pics are in the Seesat message on the URL above.

Cheers,

- Marco :-)

Thank you very much! Those pass details match perfectly! The details say
this satellite was deployed from the Space Shuttle, so it's probably not the
smallest satellite around. I guess that might explain the unusual
brightness. When it passes again tomorrow morning, I'll be looking :-)

Margreet Mol

hotmail.com> wrote in message
news:1164791136.351648.42960@80g2000cwy.googlegroups.com...
M.H. Mol wrote:

over my house at approx. 6:44 (that's 5:44 GMT). Since we had a clear sky I
went out and almost immediately spotted it in the western sky. Or so I
thought.

ISS. Althought very bright, it just wasn't enough. What *really* got me
thinking was the fact that it passed overhead north of the zenith, which ISS
never does at my location (Rotterdam, Netherlands, 51.9170

Hi all

This morning (29-11) Heaven's Above predicted that ISS was going to pass over my house at approx. 6:44 (that's 5:44 GMT). Since we had a clear sky I went out and almost immediately spotted it in the western...