Don, I have an 18" f/4.5, with a ST-8 (non-blue enhanced; QE~35%. 360 second exposures get me to about 20-20.5 after a cold front and it is dry. FWHM about ...
Hi John, thanks for the input. You are the fourth person to participate. Could you please give me the following additional info. Code, pixel scale, S/N, FOV...
To anyone wishing to participate in this survey. The following catagories are in my spreadsheet. code,obs type,D cm,F cm,f/ratio,seeing,exp.,mag limit, ...
Hello Richard Kowalski I have written an introductory textbook on how to do photometry with CCDs. I have made this available for free over the web for a year ...
Bill Romanishin
wjr@...
Apr 1, 2002 5:22 pm
6785
Well, I see that I have just sent the MPML my nights work. :>) Sorry, Loren 843...
Does anyone have any information as to when the lunar craters were formed? I seem to recall that someone had found that they were fairly recent, but I forget...
Mar
linger.1@...
Apr 2, 2002 2:05 pm
6788
... Description of the format can be found here: http://cfa-www.harvard.edu/iau/info/OpticalObs.html...
Andreas Doppler
adoppler@...
Apr 2, 2002 3:52 pm
6789
... The lunar maria formed around 3.5 billion years ago; the scarcity of craters on them compared to the highlands is a good measure of how many craters are...
Alan W Harris
awharris@...
Apr 2, 2002 6:21 pm
6790
Hello Everyone, It's my pleasure to announce that we successfully detected radar echoes from 2002 FD6 at Goldstone this morning. This would not have been ...
Lance Benner
lance@...
Apr 2, 2002 7:43 pm
6791
Alan, Is the data on the Moon used to predict impacts on Earth? Recently I noticed four NEO's approach inside the Moon's orbit in the near (30 yr?) future. ...
I rather doubt the 3.5 billion year figure; that number gets tossed about a bit too frequently for my taste. But that's neither here nor there. What I'm...
Mar
linger.1@...
Apr 3, 2002 4:21 am
6793
Hello Lance, and all, Congratulations to your successfull radar detection of the asteroid, and to all who provided the necessary astrometry! Peter Kusnirak...
... Glad to hear of your success! I am sure everyone involved with following 2002 FD6 appreciates the feedback - it is good to learn that observations have...
Stephen Laurie
slaurie@...
Apr 3, 2002 8:28 am
6795
Greetings to all, I would like to ask if there is any introductory, but complete, place on the web providing some information on asteroids, a sort of review of...
Greetings MPML, Today's Goldstone observations of 2002 FD6 were very successful. We imaged FD6 with a resolution as high as 19 meters in range and 0.25 Hz in...
Lance Benner
lance@...
Apr 3, 2002 3:58 pm
6797
have a look at http://spaceguard.ias.rm.cnr.it/tumblingstone/ and in particular to the dictionary section. ================================================ ...
Andrea Milani
milani@...
Apr 3, 2002 3:59 pm
6798
... Lance, one ignorant question about radar observations. You say "nineteen meters per pixel is the highest range resolution presently possible at Goldstone."...
Hi Richard, Thank you for your question about radar observations. ... 19 meters per pixel in range is the highest resolution that we can achieve at Goldstone...
Lance Benner
lance@...
Apr 4, 2002 10:03 am
6800
http://www.geosociety.org/news/pr/02-19.htm Geological Society of America Boulder, Colorado Contact: Ann Cairns Director – Communications and Marketing ...
Ron Baalke
baalke@...
Apr 4, 2002 4:25 pm
6801
NASA Dryden Flight Research Center Public Affairs Office Edwards, CA 93523 (661) 276-3449 FAX (661) 276-3566 NASA DRYDEN, SOUTHWEST RESEARCH INSTITUTE SEARCH...
Ron Baalke
baalke@...
Apr 4, 2002 4:42 pm
6802
Hello, I have a question about rotational curves of asteroids: How can I link different nights of observation in order to do the rotational curve of an...
Silvia, ... I have a question about rotational curves of asteroids: How can I link different nights of observation in order to do the rotational curve of an ...
In addition to this press release, we have information on asteroid 1950 DA available here on the NEO website: http://neo.jpl.nasa.gov/1950da/ This section...
Ron Baalke
baalke@...
Apr 4, 2002 7:51 pm
6805
TWEAK TEMPERATURES OF SMALLER ASTEROIDS TO DEFLECT THEM FROM EARTH, UA SCIENTIST SUGGESTS From Lori Stiles, University of Arizona News Services, 520-621-1877 ...
Ron Baalke
baalke@...
Apr 4, 2002 8:16 pm
6806
... will come on March 16, 2880, said Jon Giorgini, a senior engineer at NASA's Jet Propulsion Laboratory, Pasadena, Calif. Odds for a collision are at most...
Pretty simple actually: If an impact is going to happen it's going to happen at the place where the asteriods orbit passes closest to the Earth's orbit which...
