... What does that mean? Clearly, fireballs that are brighter than -6 (either apparent or absolute) do drop meteorites sometimes. As do meteors that don't even...
33394
stange34@...
Oct 6, 2007 11:44 pm
Ambiguity exists whether or not an abserver recoqnizes it or not, in brightness. That ambiguity is in the fact that it is estimated not quantitized by any...
33395
Ed Majden
epmajden@...
Oct 6, 2007 11:53 pm
... What is your reference for a meteorite dropping meteor that didn't reach fireball brightness? I guess you could be talking about micro-meteorites that...
33396
Chris Peterson
clp@...
Oct 7, 2007 12:04 am
Hi Ed- My own modeling work. There seems to be no lower bound on brightness- slow, several centimeter objects on very shallow trajectories experience gradual...
33397
Ed Majden
epmajden@...
Oct 7, 2007 1:10 am
... Hi Chris: I don't think the -6.0 magnitude value was intended as an absolute limit but a probable value. Your modeling work sounds rather interesting....
33398
drobnock
drobnock@...
Oct 7, 2007 2:27 am
Hi For some definitions relative to a fireball, please see the following: Definition of terms by the IAU Commission 22, 1961. From list at AMS: F. fireball: a...
33399
stange34@...
Oct 7, 2007 5:12 am
Not trying to churn butter here.... Just a few pictures of the moderate events. Should be good tonight if all systems continue to operate as they have. ...
33400
Chris Steyaert
csteyaert@...
Oct 7, 2007 7:23 pm
Radio Meteor Observation Bulletin No. 170 of September 2007 (79 K) is available now as http://visualrmob.free.fr/rmobtext/rmob0709.txt More information and the...
33401
Ed Majden
epmajden@...
Oct 7, 2007 8:41 pm
Hello Chris: Why isn't my radio data not being included in your report. I have been sending my detections to http://radio.data.free.fr/main.php3. Just...
33402
pmartsching@...
Oct 7, 2007 10:40 pm
07 October 2007 01:00-06:00 UT (CDST 06/07 Oct 8:00pm - 1:00am) Paul Martsching McFarland Park 4 miles NE of Ames, Story County, Iowa Long: 93 deg 34 min W...
33403
Kai Gauer
kai.g.gauer@...
Oct 8, 2007 12:12 am
... Is it best to try & estimate the brightness of a bolide / meteor as though it had a 0+ Degree diameter point-source? Or is it better to "sum" across the...
33404
Mikhail Maslov
ast3@...
Oct 8, 2007 4:58 am
Hello, Paul, I see, that your observation show a weak but continuous Draconid activity during 1-6 UT 7 October on the level of ~1 meteor per hour. That is very...
33405
Koen Miskotte
koen.miskotte@...
Oct 8, 2007 5:07 am
Hi Mikhail, During the period of 18:50 and 19:26 UT (7 oktober) I could observe under very poor conditions (Lm 5.3-5.5, with haevy fog). No Draconids were...
33406
Mikhail Maslov
ast3@...
Oct 8, 2007 12:33 pm
Hello, Koen, Many thanks for this message too. Poor conditions and short period of observation doesn't allow to make reliable conclusions, as ZHR=1 under such...
33407
Bruce McCurdy
bmccurdy@...
Oct 8, 2007 4:25 pm
Two items of interest for meteor aficionados on the most recent post from spaceweather's news service. I find the question "Could tonight be such a night?"...
33408
Skywayinc@...
Oct 8, 2007 4:38 pm
In a message dated 10/8/2007 12:25:29 PM Eastern Daylight Time, bmccurdy@... writes: I did play around with the Java applet linked to the...
33409
Mikhail Maslov
ast3@...
Oct 8, 2007 4:51 pm
Yes, geometry for Draconids is quite favorable in 2018, but computations show the peak with ZHR of only 10-20 meteors at 23-0 UT on 08-09.10. The cause is a...
33410
Michel Vandeputte
michelvandeputte@...
Oct 8, 2007 5:07 pm
Hi folks, I observed three nights in a row to check the activity of the obscure 'October Camelopardalids' (morning session) and 'Giacobinids'. Raw results: ...
33411
Kim Hay
cdnspooky@...
Oct 8, 2007 5:37 pm
On 8 Oct 2007 at 19:06, Michel Vandeputte wrote: Good going Michel, We went camping for our Canadian Thanskgiving weeked, to Sandbanks Provincial park in...
33412
meteoreye@...
Oct 8, 2007 6:26 pm
The next outburst of the Draconids, predicted by Peter Jenniskens and Jeremie Vaubaillon is in 2011, with particles ejected in 1900. It even has a "!" next to...
33413
Kim Hay
cdnspooky@...
Oct 8, 2007 7:55 pm
On 8 Oct 2007 at 18:25, meteoreye@... wrote: Ah, but what a challenge........... Kim ... Mailing list meteorobs: meteorobs@... To...
33414
Thomas Dorman
drygulch_99@...
Oct 9, 2007 5:35 am
Hi.All Stared observing for the Draconids at 4:00UT 10/9/07 and casually observed until 4:38UT when a fast moving cloud bank came in from my Southwest killing...
33415
stange34@...
Oct 9, 2007 6:57 am
A tool with possibly useful features for those dealing with unusually large or compressed .avi files in meteor work. Developed as free, by the designer of the...
33416
Roberto
me3540@...
Oct 9, 2007 6:10 pm
Hi Mikhail, I have made one video observation the night between the 7 and 8 October (from the 18 UT to the 04 UT). In 10 hours my videoCamera has recorded 43 ...
33417
Maurizio Eltri
maurizio.eltri@...
Oct 9, 2007 8:18 pm
Video meteors of Aug. 12/13 2007 Aug07-------UT-------Teff--vLm--Cf--TOT 12,825 191945-201705 0,928 4,30 1,00 4 12,865 201705-211424 0,928 4,30 1,00 9 12,905...
33418
Maurizio Eltri
maurizio.eltri@...
Oct 9, 2007 8:19 pm
Video meteors of Aug. 14/15 2007 Aug07-------UT-------Teff--vLm--Cf--TOT 14,827 191823-202402 1,032 4,00 1,00 0 14,873 202402-212942 1,032 4,00 1,00 4 14,918...
33419
Jean-Louis.RAULT@...
Oct 10, 2007 8:30 am
Hi all Here near Paris, my "radio echoes counter" detected a peak around 9 UTC on the 6th of october. See ...
33420
meteoreye@...
Oct 10, 2007 3:30 pm
Elf test in progress. Please ignore the man behind the curtain..... ... Mailing list meteorobs: meteorobs@... To UNSUBSCRIBE, email:...
33421
meteors@...
Oct 10, 2007 4:50 pm
Just wanted to let everyone know that I am unable to upload observing summaries (or any files for that matter) to the website while our server is being moved...
33422
Mikhail Maslov
ast3@...
Oct 10, 2007 6:28 pm
Hello, Roberto, Many thanks for this observation too. One Draconid meteor in 10 hour allows to suggest that there was no Draconid activity during the period on...
