(meteorobs) More on video Orionids from Colorado
Paul Jones
jonesp0854 at gmail.com
Wed Oct 26 13:02:43 EDT 2011
Ooops, I may have misstated that last part. What I meant to say is that the
Orionid meteors I saw on the last two mornings became somewhat brighter and
longer-pathed after that "spike" on 21/22.
On Wed, Oct 26, 2011 at 12:58 PM, Paul Jones <jonesp0854 at gmail.com> wrote:
> Chris/Marco,
> I've just posted my 2011 Orionid observations to the IMO website (will
> do so for Meteorobs soon). Visually, my impressions were somewhat
> different. I had low activity on 20/21, the "spike" up to almost 50 on
> 21/22, followed by the next two mornings (22/23 & 23/24) having a "plateau"
> type maximum, still high, but slightly lower then that peak on 21/22.
> I tend to agree with Marco, as I noticed that the r-value of the
> meteors I saw during the "spike" on 21/22 were very faint and
> short-pathed. Many of them were no more that one degree long in path
> length and most below magnitude 3, if even that. I wonder if a video system
> could have picked them up effectively. After 21/22, however, the r-value
> seemed to increase somewhat and the Orionids were noticably
> longer-pathed,
>
> V/r, Paul
>
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> On Wed, Oct 26, 2011 at 12:18 PM, Marco Langbroek <
> marco.langbroek at wanadoo.nl> wrote:
>
>> Op 26-10-2011 17:03, Chris Peterson schreef:
>> > Thanks. I agree that my video results and the video flux data you link
>> > are in agreement. Interesting that they differ from the visual reports
>> > (which are plotted on the IMO homepage). I'm guessing that once the
>> > predicted peak had passed, the visual observations simply slowed down
>> > (there don't seem to have been many to begin with). One more argument
>> > for the never sleeping camera!
>>
>> Another explanation could be a changing r-value over the profile (a shift
>> from
>> fainter meteors pre-peak to brighter meteors post-peak).
>>
>> - Marco
>>
>> -----
>> Dr Marco (asteroid 183294) Langbroek
>> Dutch Meteor Society (DMS)
>>
>> e-mail: dms at marcolangbroek.nl
>> http://www.dmsweb.org
>> http://www.marcolangbroek.nl
>> -----
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>
>
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