Hi Richard, all, "... There may be another solution linking the Jun 24 and Jun 27 observations from G96." I don't think there is an alternative solution, but...
Hi Bill, Thanks. The MPC did update the uncertainty today after the object was not found and Sonia sent me another uncertainty plot that is a bit larger than...
... KNOBS shows only a single range of solutions. As for it being lost now, oh ye of little faith. A quick application of KNOBS revealed an ephemeris...
David Tholen
tholen@...
Jul 2, 2009 4:00 pm
22069
Folks, if you plan to go for 973B138 on the NEOCP, please wait until you see its status as "updated". We found this object two nights ago but didn't submit it...
Hi Reiner, I'm staying at the telescope under cloudy skies, till I can get a chance of confirming 9N6E600 (which has been removed from the NEOCP). Been cloudy...
Robert McNaught
rmn@...
Jul 5, 2009 7:00 am
22071
... The NEOCP was updated meanwhile and it looks rather Hungaria-like now. It seems not enough to find them all over the opposition region, now we even pick...
... With KNOBS at the ready, that's unnecessary. 973B138 C2009 07 05.48744700 36 41.550+23 53 46.99 18.8 R 568 973B138 C2009 07 05.48816700 36...
Dave Tholen
tholen@...
Jul 5, 2009 1:12 pm
22073
Thought we'd see what some parallax information would do for the orbit solution. Looks like we can now rule out NEO solutions. Both Hungaria and Phocaea...
Dave Tholen
tholen@...
Jul 5, 2009 3:50 pm
22074
Hi all, I have made of the calculations in 2 versions: 1) Considering all the observations: Perihelion 2009 Jul 19.880683 TT = 21:08:11 (JD 2455032.380683) ...
Hi folks, Just a note that LCROSS has been imaged and "astrometrized". It's not on a lunar impact trajectory yet, so we'll have to wait before we can do...
Hi: I am attempting to image the LCROSS Satellite with 80 mm of glass aperture. I am piggybacked on an LX200 with good GOTO capabilities. I used JPL's Horizons...
Hi Adam, That looks about right. Horizons (and the MPC's DASO service) provide ephemerides that match the optical astrometry to within a couple of arcseconds....
Moderator's Note: The below message arrived from a moderated member. It is off topic, but since it involves science education, I thought I'd allow it to see if...
I would be happy to help. I have a small observatory in my back yard and can share the scopes via the Internet. Please let me know how you would like to...
Hi: I've been a member of this group in the past - some 5 years ago but have leaved for personal reasons and lack of observing oportunities. I have not imaged...
Paulo, ... It will be hard to find objects in need of observations with 10-cm of aperture. And 540mm of focal length won't give too accurate astrometry either...
Paulo, As Reiner mentioned, you are not going to find too many useful objects bright enough to be captured in a 0.10-m scope. One of the main sources of minor...
... Not just amateurs but professionals use it too. I am not aware of a "professional" software that can do the job better than Astrometrica, regarding...
Paulo's post got me thinking. Prior to beginning MP work, I used to think of LM as a constant. Since beginning MP work I now consider it more of a function of...
From an item in the Science@NASA list Amateur astronomers have photographed NASA's LCROSS spacecraft en route to an October crash landing on the Moon....
Hi all, What is physical meaning of magnitude slope (G) in asteroid light curves? Is magnitude slope related to albedo? What is relation between albedo and G? ...
There is a modest positive correlation between albedo and slope parameter G. Low albedo asteroids tend to have low values of G, corresponding to steeper...
Not much traffic these days so let me ask a somewhat off-topic question please. Last night on one follow-up field I had a satellite crossing the field, but the...
A microradian is about 0.2 arcseconds, the size of one meter at a distance of one thousand kilometers. I'm guessing the width of the streak is about five...
Hi, I've previously noted something like this in emails to seesat, but it was rather more clearcut than your images Reiner. On several occasions when scanning...
Robert McNaught
rmn@...
Jul 15, 2009 6:47 am
22093
Reiner, Nice image! J75-La Sagra has coordinates : Lat 37 58 57 N Long 2 33 55 W Alt 1500m The satellite is the Cosmos 1660 Rocket (15822 1985-047-B) Distance:...
Hello. The last post reminded me of a picture I had taken 10 years ago. At first I thought it was a flaw in the negative but this was not the case when it...
Reiner, I concur with Stefano about it being atmospheric turbulence. For one, the modulation of the trail appears not to be regular / periodic - Is it not? ...
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