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mpml · A list for asteroid and comet researcher

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  • Members: 1825
  • Category: Astronomy
  • Founded: Apr 18, 2000
  • Language: English
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Messages 28451 - 28480 of 28480   Oldest  |  < Older  |  Newer >  |  Newest
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28451 Ron Baalke
baalke@... Send Email
May 8, 2013
7:48 pm
http://www.jpl.nasa.gov/events/lectures_archive.php?year=2013&month=5 The von Karman Lecture Series: 2013 Radar Imaging of Near Earth Asteroids May 9 & 10 ...
28452 Ron Baalke
baalke@... Send Email
May 8, 2013
7:55 pm
http://www.esa.int/Our_Activities/Operations/Space_Situational_Awareness/After_Chelyabinsk_European_experts_assess_asteroid_options After Chelyabinsk: European...
28453 Brian Warner
brianw_mpo Send Email
May 8, 2013
8:48 pm
Ron, Can I presume the times are PDT? Clear Skies, Brian D. Warner Palmer Divide Observatory...
28454 Ron Baalke
baalke@... Send Email
May 8, 2013
11:15 pm
May 8, 2013 Rachel Kraft Headquarters, Washington 202-358-1100 rachel.h.kraft@... Michael Curie Kennedy Space Center, Fla. 321-867-2468 ...
28455 Ron Baalke
baalke@... Send Email
May 9, 2013
5:33 pm
May 09, 2013 J.D. Harrington Headquarters, Washington 202-358-5241 j.d.harrington@... Ray Villard Space Telescope Science Institute, Baltimore, Md. ...
28456 gpobs
roy_tucker2000 Send Email
May 11, 2013
5:41 am
Dear Ladies and Gentlemen of the Forum, While scrounging around in my storeroom, I came across a box of Proceedings from the 2001 Minor Planet...
28457 lone_scope2000 Send Email May 14, 2013
3:44 pm
The founder of Arkansas Sky Observatory, Dr. P. Clay Sherrod, is having some very delicate and serious surgery. He will be hospitalized afterwards for some...
28458 ozprof Send Email May 14, 2013
9:15 pm
Hi All, I have a question. Does anyone have any suggestions on how to keep accurate time on the computer in an observatory that does not have internet...
28459 gpobs
roy_tucker2000 Send Email
May 14, 2013
9:20 pm
Perhaps this might help: http://www.atomictimeclock.com/radsynarcron.htm...
28460 Peter Loron
peterloron Send Email
May 14, 2013
9:33 pm
... You'll need a clock disciplined by either a WWVB or GPS signal. There are expensive units that connect to your computer in various ways that can provide...
28461 George Herbert
pinekoan1 Send Email
May 14, 2013
9:34 pm
The canonical ways of doing this are radio receivers using GPS (or less often, GPS+WWV, Irig-B, etc) There are a wide variety of rackmount receiver units, most...
28462 gpobs
roy_tucker2000 Send Email
May 14, 2013
10:12 pm
Here's the associated software that puts the time signals from the clock onto a local network: http://www.atomictimeclock.com/radsynhome.htm ... From: George...
28463 Alain Maury
geocroiseur Send Email
May 14, 2013
10:30 pm
Radio systems are nice, provided your observatory is in a zone where you receive radio signals… There are also some well written telescope control programs...
28464 Peter Loron
peterloron Send Email
May 14, 2013
10:34 pm
I think the set of area on the earth where amateurs have observatories and where GPS signals aren't available is very, very, small. I suppose if you were very...
28465 Peter Mount
petermount Send Email
May 14, 2013
11:08 pm
I wrote a simple tutorial on using a USB GPS receiver last year: http://blog.retep.org/2012/06/18/getting-gps-to-work-on-a-raspberry-pi/ It would get you close...
28466 George Herbert
pinekoan1 Send Email
May 14, 2013
11:19 pm
I should ask a question we should have asked up front... What type of observatory is this, what's time going to be used for, to what precision (1 sec? 100 ms?...
28467 maurice clark
ozprof Send Email
May 15, 2013
12:01 am
Hi All, Sorry, I should have spoken about this in my first email. The observatory is located just outside Lubbock TX and belongs to the university. There is no...
28468 Gups-Y- Bees Waddington
brianw90... Send Email
May 15, 2013
12:20 am
Short wave radio has a (or at least had) a constant time check frequency. CBC radio had one at 10:00. BBC short wave radio? Brian -- Brian W. astronomers are...
28469 Alain Maury
geocroiseur Send Email
May 15, 2013
1:47 am
Maybe I was not clear, GPS is available everywhere, but radio signal emitted by some stations are usually not available in remote places. In south America for...
28470 Bernd Brinkmann
b48doher Send Email
May 15, 2013
5:52 am
Hello, if you were situated in Europe you could use a DCF 77 interface like this or others using USB (google for "dcf77 interface usb"): ...
28471 Danny Flippo
dflipp1 Send Email
May 15, 2013
3:57 pm
This site has good information on how to use an inexpensive GPS with pulse per second to get very accurate time: http://www.satsignal.eu/ntp/index.html I have...
28472 Ron Baalke
baalke@... Send Email
May 15, 2013
7:17 pm
May 15, 2013 Dwayne Brown Headquarters, Washington 202-358-1726 dwayne.c.brown@... Guy Webster Jet Propulsion Laboratory, Pasadena, Calif. 818-354-6278 ...
28473 jlgalache Send Email May 16, 2013
2:55 am
Dear MPMLers, Asteroid (285263), AKA 1998 QE2, will fly by Earth on May 31 at 15.25 LD. This is a big one at 2.75 km in size and it will be a Goldstone radar...
28474 dabramoo Send Email May 16, 2013
2:12 pm
Due to power grid maintenance, the SCN site will be not reachable starting from Friday 17/05/2013 16:00 CET to presumably Saturday 18/04/2013 17:00 CET. We...
28475 Ron Baalke
baalke@... Send Email
May 16, 2013
4:10 pm
http://www.jpl.nasa.gov/news/news.php?release=2013-163 Asteroid 1998 QE2 to Sail Past Earth Nine Times Larger Than Cruise Ship Jet Propulsion Laboratory May...
28476 Ron Baalke
baalke@... Send Email
May 16, 2013
4:34 pm
May 16, 2013 Dwayne Brown Headquarters, Washington 202-358-1726 dwayne.c.brown@... Nancy Neal Jones Goddard Space Flight Center, Md. 301-286-0039 ...
28477 Patrick Wiggins
scubaskydive... Send Email
May 17, 2013
6:58 am
Bright Explosion on the Moon May 17, 2013: For the past 8 years, NASA astronomers have been monitoring the Moon for signs of explosions caused by meteoroids...
28478 Christopher Thrash
thrashcb Send Email
May 17, 2013
12:02 pm
Of potential interest to this list: Instrumental Methods for Professional and Amateur Collaborations in Planetary Astronomy http://arxiv.org/abs/1305.3647 ...
28479 walcom77 Send Email May 17, 2013
7:35 pm
Hi All Some info and our most recent image & animation of asteroid (285263) 1998 QE2 that will have a close approach with Earth on May 31, 2013: ...
28480 Ron Baalke
baalke@... Send Email
12:27 am
http://science.nasa.gov/science-news/science-at-nasa/2013/16may_lunarimpact/ Bright Explosion on the Moon NASA Science News May 17, 2013 For the past 8 years,...
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