mpml at Yahoo! Groups

4015 = comet 107P/Wilson-Harrington, no evidence of activity up to n

iferrinv — Fri, 20 Nov 2009 15:59:48 GMT

Dear all: I have placed in my webpage the current secular light curve of comet 107P = 4015 using all the observations that I was able to gather. There is

Re: Bolide 07:07:45 UT

Alan Cahill — Fri, 20 Nov 2009 13:29:35 GMT

Hi Don, Thanks for that!!!!!!! Amazing video, wish I had been there. Best Regards Alan In message , tak102pme

Re: Bolide 07:07:45 UT

tak102pme — Fri, 20 Nov 2009 12:47:55 GMT

Try these Alan. http://www.youtube.com/watch?v=mXWRYUs_u5s&NR=1 http://www.youtube.com/watch?v=C-CAbDHJGKI&NR=1 http://www.youtube.com/watch?v=LgLNrTYrEnY

COMETS 19-11-2009 169P - 43P - 157P - 107P - 88P

Gustavo Muler — Fri, 20 Nov 2009 11:52:32 GMT

COMETS 19-11-2009 88P http://astrosurf.com/nazaret/images/cometas/88/88-091119-J47.jpg 169p http://astrosurf.com/nazaret/images/cometas/169/169-091119-J47.jpg

Re: Bolide 07:07:45 UT

Alan Cahill — Thu, 19 Nov 2009 16:19:37 GMT

Thanks Tomas, Just what I wanted... it would also be good to get CCTV footage. Best Regards Alan In message <4CC99DCB2DFC4AD39CA1EE1B3E97C475@asteroidi>, Tomas

Re: Bolide 07:07:45 UT

Tomas Kohout — Thu, 19 Nov 2009 14:49:03 GMT

Dear Alan Here is some: http://www.heliotown.com/Utah_Fireball_Ashcraft.html The second video is interesting. Tomas _____ From: mpml@yahoogroups.com

Friday Nov 20th Scottys Sky broadcast schedule of (234) Barbara occu

scotty@... — Thu, 19 Nov 2009 14:37:08 GMT

All, I have placed a schedule timeline of the planned broadcast of the (234) Barbara occultation on my Barbara page

Re: Bolide 07:07:45 UT

Alan Cahill — Thu, 19 Nov 2009 13:40:23 GMT

Hi there, Does anyone know where I can download video of this fireball? I have quite a collection of video's of fireballs, but cannot find a downloadable

Re: Recent close flyby investigation required

Aldo Vitagliano — Thu, 19 Nov 2009 11:45:35 GMT

... It is important to recognise how the different sources of uncertainty contribute to the overall uncertainty on a given estimate (in this case the estimate

Re: Recent close flyby investigation required

Varyonyx — Thu, 19 Nov 2009 08:44:21 GMT

... Hmmh, we should not forget that the orbital dataset of 2006BF190 is more than one year old!. If no interim perturbation of his orbit, caused by other

Re: Recent close flyby investigation required

alvitagl — Thu, 19 Nov 2009 07:15:33 GMT

... It is not so. At least not in any appreciable way. The relative velocity of two asteroids is normally so much larger than their mutual "escape velocity"

Re: Bolide 07:07:45 UT

Franck Marchis — Thu, 19 Nov 2009 02:47:52 GMT

http://www.ksl.com/?nid=148&sid=8714738 "A remarkable midnight fireball" ... [Non-text portions of this message have been removed]

Re: Recent close flyby investigation required

Christian — Wed, 18 Nov 2009 21:56:36 GMT

The two asteroids are so large and are very close at the flyby that they probably perturb each other. That would influence the distance calculated. I am not

Re: Recent close flyby investigation required

Christian — Wed, 18 Nov 2009 21:52:02 GMT

The two asteroids are so large and are very close at the flyby that they probably perturb each other. That would influence the distance calculated. I am not

Re: Recent close flyby investigation required

Varyonyx — Wed, 18 Nov 2009 19:26:20 GMT

Hello Group, 2:1 for 27000km ;) Thank you for analysis! I will check the algorithms to detect the cause of discrepancy... But the prinicpal detection algorithm