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   JAMNNTPD      Support for the JAMNNTPD software client      2,630 messages   

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   Message 1,614 of 2,630   
   mark lewis to Bj”rn Felten   
   Falling stars   
   05 Nov 16 15:16:08   
   
   05 Nov 16 19:36, you wrote to me:   
      
    ml>> yup, to a point... now i've been taking my beverages and going   
    ml>> outside to look for and count satellites i see flying over...   
    ml>> sometimes i even make notes about them to i can determine which ones   
    ml>> i've seen ;)   
      
    BF>    Yeah, right.  8-)   
      
   yes, absolutely true :)   
      
    BF> Can you even determine if they are satellites or "falling stars"?   
      
   absolutely... meteors move much faster and are brighter for the most part...   
   they may also leave trails... satellites do not leave trails unless they are   
   breaking up on reentry but they are no where near as fast as meteors... also   
   satellites are fairly steady in brightness or fade in and out... sometimes   
   they might flare or flash (fast flare) but they don't blink like airplanes...   
   it is extremely easy to tell the three apart...   
      
   we do naked eye viewing here and sometimes will use binoculars but they really   
   need a mount to hold them steady... some folks use large binoculars as well as   
   photographic devices attached to eh binos or even to a telescope... some   
   telescopes also have motors on them that can move the scope fast enough to   
   track a satellite for viewing or photography... i haven't gotten to the point   
   that i can work on looking for geosync satellites but there are a number of   
   folks that do... we've even tracked the USAF's X-37B space plane as well as a   
   number of classified satellites... we recently watched the MUOS 5 craft reach   
   geosync orbit after it had a failure of the apogee or perigee kick motor... i   
   forget which it was using but they had to let it go and use the satellite's   
   own thrusters to try to reach desired orbit... it finally made it but has to   
   change its mission due to the lack of fuel it now has...   
      
   most of what i see here are Iridium or Cosmos generally on north-south or   
   south-north tracks... Iridium flares are way cool when you can see them...   
   we've even seen them in the day time ;)   
      
   we do also see the ISS regularly as well as others on angular tracks and i was   
   lucky enough, one early morning when i was working at the taxi stand, to be   
   able to see the HST fly over... HST is tougher for us to see because of its   
   altitude above the horizon compared with our latitude... it only makes it up   
   maybe 20 or so degrees (two fist widths at arm's length) and is behind the   
   trees for us... in this case, being in town instead of out here in the   
   country, it was very clear to the south with no trees in the way... it took   
   about five minutes to pass by...   
      
   i also read and occasionally participate on the SEESAT-L mailing list... well   
   known observers like Ted Molczan, Marco Langbroek, Dr. Jonathan McDowell, and   
   numerous others participate there posting their sightings for updating the   
   various TLE (Two Line element) lists that are available... they also help   
   others figure out what they may have seen in the sky...   
      
   http://www.satobs.org/   
   http://planet4589.org/   
   http://www.marcolangbroek.nl/   
   http://sattrackcam.blogspot.nl/   
   https://www.google.com/search?q=ted+molczan   
      
   )\/(ark   
      
   Always Mount a Scratch Monkey   
   Do you manage your own servers? If you are not running an IDS/IPS yer doin' it   
   wrong...   
   ... Your reasoning is excellent. It's your basic assumptions that are wrong.   
   ---   
    * Origin:  (1:3634/12.73)   

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