[AZ-Observing] Re: ISS and Hubble passes
- From: "Wes Edens" <edensw@xxxxxxxxxx>
- To: <az-observing@xxxxxxxxxxxxx>
- Date: Mon, 16 Jan 2006 19:03:39 -0700
Andrew Goodwin, KE7DNT, pointed out to me the other day that the American =
astronaut, Bill McArthur, has been very active on ham radio. If the =
astronauts are talking to hams, you can listen in. Even if you're not a =
ham, people have heard the ISS on scanners--and of course, overhead passes =
are the best.
The 2 meter downlink frequency (ISS to hams) is 145.800
The 2 meter uplink (if you're a ham and want to transmit) is 144.490.
Bill, the American astronaut, has been operating UHF on 437.550, using the =
station's call sign, NA1SS.
Most radios can't adjust in steps below 5 KHz. This means you're stuck =
with the VHF frequencies (145.800 and 144.490) but you can make some 5 KHz =
adjustments that will help with the Doppler effect if you're listening on =
UHF. You can usually program your scanner or ham radio for these. There =
is more information on Doppler corrections and ham radio aboard the ISS =
at: http://www.arrl.org/news/stories/2006/01/13/5/?nc=3D1
I'll be out with the kids watching the pass, radio in hand--just in case.
Wes Edens
K7EDE
>>> saguaroastro@xxxxxxx 01/14/06 10:36 PM >>>
I use a freeware program called Satscape by Scott Hather of the UK. It has =
a
3-D view which shows the satellites and their track (customizable for how
far in the future you want to see) and the cones of visibility. Many more
features as well. Here is the website:
http://www.satscape.co.uk/
Very cool program.=20
Clear Skies
Rick Tejera=20
President=20
Editor SACnews
Saguaro Astronomy Club
Phoenix, Arizona
saguaroastro@xxxxxxx
www.saguaroastro.org
-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of gene lucas
Sent: Saturday, January 14, 2006 9:28 PM
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Re: ISS and Hubble passes
Another good resource for satellite tracking is the FREEware program =
STSPlus
from Dr. David Ransom, a retired math expert who resides in Sedona. Dr.
Ransom wrote this software when he worked for NASA, and it was used in the
NASA command centers. I have used this for demos at the Arizona Science
Center for some years to show "where" the Hubble Space Telescope is =
located
>in real time<. It even features special icons for the HST and ISS, and =
the
Space Shuttle (for when there is an active mission running.) The =
satellite
orbit information is contained in TLE files, and updates are available =
from
several sources. Here is Dr.=20
Ransom's web pages:
http://www.dransom.com/
Gene Lucas
(17250)
Randy Peterson wrote:
>Next Tuesday, January 17, there will be a good pass over the metro =
Phoenix
area (and a good deal of Arizona) by the International Space Station. At
about 6:25 pm MST, face north, and look to the northwest. It is bright
enough that you don't need optical aid, being brighter than Mars. At =
about
6:28 pm it will pass roughly overhead. It will be fading into the =
southeast
horizon a bit after 6:30 pm. Yep, a bit over 5 minutes from horizon to
horizon, so if you don't set a timer to remind you to go outside to look,
you'll miss it.
>Hold on - the show's not over yet! About eleven minutes later that same
night, at about 6:41 pm MST, face south, and look to the west-southwest.
Bright enough to be seen naked eye (but considerably dimmer than the ISS)
will be the Hubble Space Telescope, shining a bit dimmer than Polaris. At
6:45 pm, it will pass due south at about 42 degrees altitude from the
Phoenix area - about half way from the southern horizon to your zenith
(straight up). At 6:48 pm, it will fade into the east-southeast horizon.
>
>Check it out at Heavens Above: http://www.heavens-above.com/
>
>I have watched these with binoculars in the past on occasion, but just
watching with my unaided eye seems more satisfying to me. Clear skies!
>
>Randy Peterson
>EVAC Events co-coordinator
>events@xxxxxxxxxxxxxxxxxxxxxxx
>--
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>
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