Interesting Chris! What would we expect from the 3 colour data? Thanks! Paco Ocaña ... _______________________________________________ Mailing list meteorobs:...
Francisco Ocaña
albireo3000@...
Nov 29, 2008 11:51 am
35801
Another story with more pictures (hit next in the photo block) http://www.washingtonpost.com/wp-dyn/content/article/2008/11/28/AR2008112801930.html ...
meteoreye@...
Nov 29, 2008 1:39 pm
35802
Pat & All, What makes you think a meteor (sic) collector would necessarily be predisposed to sell this material on eBay? Best regards, Dave ...
Dave Gheesling
dave@...
Nov 29, 2008 3:00 pm
35803
Well, it's an interesting project. I believe that all details of the explosion are likely to be smaller than the pixel scale of the system, so information will...
Chris Peterson
clp@...
Nov 29, 2008 3:27 pm
35804
Paco- Spectral analysis of meteor trails shows that emission lines dominate the light output. However, I think it is possible, or even probable, based on ...
Chris Peterson
clp@...
Nov 29, 2008 3:35 pm
35805
Hello Paco, Chris. I would be satisfied to see some evidence of thermal distribution (however rough) during an explosion. My interest(and possible merit) is...
stange
stange34@...
Nov 29, 2008 5:12 pm
35806
Larry- Your cigarette test just showed the difference between a saturated and an unsaturated image. You can achieve that with an IR filter, ND filter, ...
Chris Peterson
clp@...
Nov 29, 2008 5:41 pm
35807
No matter where you live, the first half of December provides some of the best meteor activity of the year. In the northern hemisphere the sporadic rates are...
Robert Lunsford
lunro.imo.usa@...
Nov 29, 2008 5:55 pm
35808
Screech Owl Hill Observatory, Mountain Meadows Mathias, West Virginia 385710N 0785544W November 27/28, 2008 We went up to our cabin, which we named Screech Owl...
George Gliba
gliba@...
Nov 29, 2008 6:42 pm
35809
Well, what about using a difraction grating? Just putting it in front of the lens could give spectra of bright fireballs, or not? Maybe we could get a -12...
Francisco Ocaña
albireo3000@...
Nov 29, 2008 7:02 pm
35810
Certainly, people have set up meteor spectra cameras in the past. But unless you use an image intensifier, they are pretty much limited to very bright ...
Chris Peterson
clp@...
Nov 29, 2008 7:39 pm
35811
I recall Peter Jenniskens is investigating the "difficult to define" UV spectrum now and has written documentation of his findings. (Somewhere on the internet...
stange
stange34@...
Nov 29, 2008 8:36 pm
35812
Following up on a question from 2006 09 22... On 14th December 2008 the almost full Moon will pass within a few degrees of the active Geminid radiant. Does...
David Entwistle
David@...
Nov 30, 2008 9:54 am
35813
26 November 2008 05:00-08:05 UT (CST 25/26 Nov 11:00 pm - 02:05 am) Five minute break 07:00-07:05 UT (01:00-01:05 am CST) Usual observing site: McFarland Park...
pmartsching@...
Nov 30, 2008 2:42 pm
35814
David, All, ... Me too ;-) The geocentric velocity (speed and radiant position) is the vector sum of velocity of the Earth and that of the stream. Also to be ...
Chris Steyaert
csteyaert@...
Nov 30, 2008 7:20 pm
35815
The moon blocks so small an area (~ 1/2 degree diameter) I'm not sure it makes much difference. And for meteoroids that just miss, I suspect (though do not...
meteoreye@...
Nov 30, 2008 7:54 pm
35816
... The Moon blocks her diameter projected on to the Earth, 3400 km, assuming the radiant is a perfect point (= meteors are perfectly parallel). ... that the...
Chris Steyaert
csteyaert@...
Nov 30, 2008 8:15 pm
35817
From: "David Entwistle" <David@...> ... It'a a very complex matter: the meteors fall on the Earth at a speed of 0-60 Km/sec following the...
Roberto G.
md6648@...
Nov 30, 2008 8:41 pm
35818
From what I thought so far (I'm not an expert so I may be mistaken), the direction of the radiant is not really the direction from which the meteoroids arrive...
Shy Halatzi
shyhalatzi@...
Nov 30, 2008 8:55 pm
35819
In message <c7cc1f220811301255r1514e1dex3a23b28a0666110c@...>, Shy Halatzi <shyhalatzi@...> writes ... Chris, Wayne, Roberto and Shy, Thanks...
David Entwistle
David@...
Dec 1, 2008 8:50 am
35820
In message <0tuwWBD5U6MJFwbO@...>, David Entwistle <David@...> writes ... Sorry, that's from a European perspective. I should...
David Entwistle
David@...
Dec 1, 2008 8:58 am
35821
Hi Shy and all, ... True, but the meteoroid 'shadow' cast by the moon will indeed point in the geocentric vector direction, not in the helio- centric. So the...
Rainer Arlt
rarlt@...
Dec 1, 2008 11:04 am
35822
All; Regarding the question put forth by Chris et.al. - does the Moon occasionally shield places on Earth from a stream? I actually published a paper recently...
Gural, Peter S.
PETER.S.GURAL@...
Dec 1, 2008 11:55 am
35823
For those that are interested, I added the paper to the files section as "Lunar Gravitational Focusing"; for those that do not have access to the files section...
bob71741
bob71741@...
Dec 1, 2008 1:23 pm
35824
I had looked at the article minutes before checking my email, considered posting the page to meteorobs because of Chris, but I see someone beat me, except the...
prospector@...
Dec 1, 2008 5:29 pm
35825
In a message dated 12/1/2008 8:23:36 A.M. Eastern Standard Time, bob71741@... writes: for those that do not have access to the files section of Yahoo, ...
Desantisk@...
Dec 1, 2008 9:23 pm
35826
It's been an exciting and tiring couple of days since last I wrote my first report Friday night from the Marsden Hotel in rural Saskatchewan. I'm now home safe...
Bruce McCurdy
bmccurdy@...
7:05 am
35827
An exciting story. Thankyou. Larry YCSentinel. ... From: "Bruce McCurdy" <bmccurdy@...> To: "Global Meteor Observing Forum"...
stange
stange34@...
7:55 am
35828
Have not seen this before in the Commercial flight lanes. Sunday morning. http://www.geocities.com/stange34@.../Holiday_FUI YCSentinel ...
stange
stange34@...
8:33 am
35829
Hi all meteor observers, Following this intersting thread, I was whether if the Moon influence on meteoroid streams couldn't manifest itself by a more diffuse...
