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@...
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
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
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
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
May 14, 2013 9:20 pm
Perhaps this might help: http://www.atomictimeclock.com/radsynarcron.htm...
28460
Peter Loron
peterloron
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
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
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
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
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
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
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
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...
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
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
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
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@...
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
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
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@...
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@...
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...
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
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
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@...
May 18, 2013 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,...
28481
Kevin Hills
kinverhills64
May 19, 2013 7:28 pm
Hi All Using data collected from 2-10 May I get a preliminary rotation period of 5.28 hours in MPO Canopus, posted at the following Dropbox link: ...
28482
Ron Baalke
baalke@...
May 20, 2013 9:02 pm
May 20, 2013 Michael Cabbage Headquarters, Washington 202-358-1600 mcabbage@... MEDIA ADVISORY: M13-079 NASA ADMINISTRATOR VISITS CALIFORNIA CENTERS,...
28483
Patrick Wiggins
scubaskydive...
8:33 pm
Watching for hazards: ESA opens asteroid centre ESA today inaugurated a new hub that will strengthen Europe’s contribution to the global hunt for asteroids...
