(meteorobs) Re: meteorobs Digest, Vol 30, Issue 22
Nadka Dankova
nadka_astronomy at abv.bg
Sat Oct 21 15:53:19 EDT 2006
This is my Visual Observing Report. Nadka Dankowa
>-------- Оригинално писмо --------
>От: meteorobs-request at meteorobs.org
>Относно: meteorobs Digest, Vol 30, Issue 22
>До: meteorobs at meteorobs.org
>Изпратено на: Събота, 2006, Октомври 21 21:17:22 GMT+03:00
>----------------------------------
>
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>Today's Topics:
>
> 1. Orionids great in far west Texas (Thomas Dorman)
> 2. Re: Orionids great in far west Texas (Kim Youmans)
> 3. Re:Comet P/2006 T1 (LEVY) (Esko Lyytinen)
> 4. Re: Stronger than usual Orionids - East GA USA (Richard Runcie)
> 5. Re: Stronger than usual Orionids - East GA USA (Pierre Martin)
> 6. Re: Orionids (bmccurdy at telusplanet.net)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Sat, 21 Oct 2006 09:20:04 -0700 (PDT)
>From: Thomas Dorman
>Subject: (meteorobs) Orionids great in far west Texas
>To: meteorobs at meteorobs.org
>Message-ID:
>Content-Type: text/plain; charset=iso-8859-1
>
>Hi.All
>Set up after local midnight until 12:30 UT watching
>the Orionids.Things stated off slow but slowly built
>until a hell of a show started around 10:30 UT and was
>still going until the last hand full of stars were in
>the sky around 12:30UT just before sunrise.I was out
>just trying to video an Orionid crossing over the
>Orion Nebula.At times I had two Orionids at a time
>coming in nearly side by side,many with great
>trains.Most Orionid durations were in the 1 to 1.5
>second range with train duration about the same.Most
>Orionids were white but there was a few that were blue
>and blue-white.What the rate was an hour I could not
>say but it had to be well over the predicted average
>for this shower.The coolest meteor shower I have
>observed since Leonids storm a few years back.One
>other note is that I go a distinct impression that I
>was watching two radiant that was active.The strong
>radiant was the traditional Orionid radiant but
>another weak one seem to be just to the east
>south-east of Betelgeuse maybe about five degrees.What
>every was going on with the Orionids it was worth stay
>up all night for.Also had a lot of dim Orionids that
>look to be no more than a point source terminal
>flash.Had clear sky with a limiting magnitude of
>around +5.8.As I said was not out count meteors this
>morning just trying to capture a few Orionids on
>video.Wow!What a gas!
>Regards
>Thomas Dorman
>Horzion City,Texas
>N31*39.763'
>W106*10.690'
>
>------------------------------
>
>Message: 2
>Date: Sat, 21 Oct 2006 12:24:31 -0400
>From: "Kim Youmans"
>Subject: Re: (meteorobs) Orionids great in far west Texas
>To: "Global Meteor Observing Forum"
>Message-ID:
>Content-Type: text/plain; format=flowed; charset=iso-8859-1;
> reply-type=original
>
>>The strong radiant was the traditional Orionid radiant but
>>another weak one seem to be just to the east
>>south-east of Betelgeuse maybe about five degrees.What
>>every was going on with the Orionids it was worth stay
>>up all night for.
>
>This is exactly how I percieved it, another radiant just as Thomas
>described.
>
>Kim Y.
>
>
>----- Original Message -----
>From: "Thomas Dorman"
>To:
>Sent: Saturday, October 21, 2006 12:20 PM
>Subject: (meteorobs) Orionids great in far west Texas
>
>
>> Hi.All
>> Set up after local midnight until 12:30 UT watching
>> the Orionids.Things stated off slow but slowly built
>> until a hell of a show started around 10:30 UT and was
>> still going until the last hand full of stars were in
>> the sky around 12:30UT just before sunrise.I was out
>> just trying to video an Orionid crossing over the
>> Orion Nebula.At times I had two Orionids at a time
>> coming in nearly side by side,many with great
>> trains.Most Orionid durations were in the 1 to 1.5
>> second range with train duration about the same.Most
>> Orionids were white but there was a few that were blue
>> and blue-white.What the rate was an hour I could not
>> say but it had to be well over the predicted average
>> for this shower.The coolest meteor shower I have
>> observed since Leonids storm a few years back.One
>> other note is that I go a distinct impression that I
>> was watching two radiant that was active.The strong
>> radiant was the traditional Orionid radiant but
>> another weak one seem to be just to the east
>> south-east of Betelgeuse maybe about five degrees.What
>> every was going on with the Orionids it was worth stay
>> up all night for.Also had a lot of dim Orionids that
>> look to be no more than a point source terminal
>> flash.Had clear sky with a limiting magnitude of
>> around +5.8.As I said was not out count meteors this
>> morning just trying to capture a few Orionids on
>> video.Wow!What a gas!
>> Regards
>> Thomas Dorman
>> Horzion City,Texas
>> N31*39.763'
>> W106*10.690'
>> ---
>> Mailing list meteorobs: meteorobs at meteorobs.org
>> To UNSUBSCRIBE, email: owner-meteorobs at meteorobs.org
>> http://lists.meteorobs.org/mailman/listinfo/meteorobs
>>
>>
>> --
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>>
>
>
>
>--
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>
>------------------------------
>
>Message: 3
>Date: Sat, 21 Oct 2006 19:31:08 +0300
>From: Esko Lyytinen
>Subject: Re:(meteorobs) Comet P/2006 T1 (LEVY)
>To: meteorobs at meteorobs.org
>Message-ID:
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>
>Hi Roberto and others,
>
>Some days ago, I made an integration from the comet previous orbital
>elements, backwards and forward.
>Now the new elements seem to have (according to the semimajor axis) the
>orbital period about 5.5 days longer.
>
>According to the previous elements, the comet would have come to the
>node in the end of 2011 about three and a half days before the Earth. I
>have not done new integration with the new elements, but the difference
>seems to tell that the comet will come (to the node) just two days after
>the Earth!!. There may still be an uncertainty af about this much? As
>you say, a fine display of the comet is expected!! (it passes at the
>night side)
>
>The situation is safe, however with no danger of collision with the
>comet. The ecliptic crossing radii appears to have increased to about
>1.00758 AU.
>
>This is also (about) with the young trails (for the trail from 1975
>rD=1.0070 AU ). So there may not be a meteor outburst then, I think.
>
>In this (2006) year the (found most promising) 1975 trail passes about
>0.002 Au outside the earth orbit, a little too distant for an outburst,
>something might be seen (at sol.long. 279.768)?
>In 1972 there seems to have been a Jupiter encounter by 0.345 AU
>(according to the previous elements). This makes the history of the
>orbit uncertain before this. The 1970 trail seems to be less
>promising.and I did not try to make conclusions form still earlier,
>because the uncertainties.
>
>Regards,
>Esko
>
>> From: "Roberto G."
>> Subject: (meteorobs) Comet P/2006 T1 (LEVY)
>> To: "Meteorobs"
>>
>> I hope that the text it's in a good English.
>>
>> Yesterday it is exited the quater circular on the comet P/2006 T1
>> (LEVY), by now the orbit it is practically definitive, it comes
>> outside also the MOID (minimal distance between the orbit of the comet
>> and the orbit of Earth) it's inferior to 894,000 Km, if the comet
>> were last to the perihelion 31.312 December instead of 7.434 October
>> 2006 we would have seen it of -0.6a with a chioma of approximately 27°,
>> for giving to a once and average idea the dimension of Orion it's 20°,
>> over the East horizon to the end of the twilight, but it has
>> gone like has gone!
>>
>> Instead the interesting news it is that the period is of 5.22 years, if
>> will be confirmed in the 2011 it shall pass to the perihelion 80.355
>> days later of 7.434 October 2006, that is 26.789 December,
>> therefore it would have to be visible of 3,5a with a tail of 57°, if the
>> calculations are mistaken little more than 1/100 than year, that is of
>> approximately 5 days, perfectly possible, then we will see the
>> comet of -0,6 like calculated if it had the perihelion 31 December
>> of this year.
>>
>> Moreover independently from the fine passage of 2011, the Moid
>> indicates that if the outburst of the past days it has expelled
>> meteoritical dusts to the speed at least 14.5 m/sec to fine 2008
>> we must have a beautiful meteoric swarm to New Year's Day,
>> but if the dust tail were not enough long to generate a fine
>> swarm to 2008, sure to New Year's Day 2012 we would have a
>> spectacular meteor rain in how much we would pass in the meteor
>> cloud after only 5 days, that is the denser side of meteors in
>> of a comet.
>> I hope that I not do mistake in calculations.
>> Best greetings.
>> Roberto Gorelli
>>
>>
>>
>
>
>------------------------------
>
>Message: 4
>Date: Sat, 21 Oct 2006 10:05:03 -0700 (PDT)
>From: Richard Runcie
>Subject: Re: (meteorobs) Stronger than usual Orionids - East GA USA
>To: meteors at eclipse.net, Global Meteor Observing Forum
>
>Message-ID:
>Content-Type: text/plain; charset=iso-8859-1
>
>Wayne,
>
> Do you remember the approximate time of the -6 fireball. I also live in NJ and observed (briefly) a very bright meteor that started low, almost directly South and dropped below the tree line. As bright as it was for the low altitude and obscuring trees I know I missed a really nice one. I was observing with my 8 year old son and wasn't logging rates or times, but figured it was around 1:30-2:00am. The rates also seemed higher to me than normal for this shower.
>
> Thanks, Rick Runcie
>
>meteors at eclipse.net wrote:
> Kim, don't know what my rates were, since I just got up and haven't
>transcribed tapes. While my rates were not that high, as my eyes and skies
>are not as good as yours, rates were higher than I expected.
>Also had a nice -6 Orionid fireball that left a 10 second train. Nice!
>
>More later
>
>Wayne in NJ
>
>> I spent three hours observing before dawn this morning and had an
>> incredible
>> night -- I had Orionid rates that I don't ever recall having before in
>> the
>> past. Here's hoping someone can confirm the following rates:
>> Observing Site -- East Georgia, USA
>>
>> 7:00 - 8:00 UT ORI (28) SPO (09) STA (03) LMI (1)
>> 8:00 - 9:00 UT ORI (34) SPO(06) EGE(3) STA(1) NTA(1)
>> 9:00 -10:00 UT ORI (39) SPO(11) EGE(2)
>>
>> I observed 138 meteors in three hours teff, with each hour having Orionid
>> rates at double or more than double the expected amount...I had a great
>> many
>> bright members including a -4 that left a 1-minute+ persistant train!
>> It will be later this weekend before I can reduce everything and have a
>> full
>> report ready.
>>
>> Kim Youmans
>>
>>
>>
>> --
>> No virus found in this outgoing message.
>> Checked by AVG Free Edition.
>> Version: 7.1.408 / Virus Database: 268.13.9/490 - Release Date: 10/20/2006
>>
>> ---
>> Mailing list meteorobs: meteorobs at meteorobs.org
>> To UNSUBSCRIBE, email: owner-meteorobs at meteorobs.org
>> http://lists.meteorobs.org/mailman/listinfo/meteorobs
>>
>
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>---------------------------------
>Talk is cheap. Use Yahoo! Messenger to make PC-to-Phone calls. Great rates starting at 1ў/min.From meteors at eclipse.net Sat Oct 21 17:41:48 2006
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>Date: Sat, 21 Oct 2006 13:35:27 -0400 (EDT)
>Subject: Re: (meteorobs) Stronger than usual Orionids - East GA USA
>From: meteors at eclipse.net
>To: meteors at eclipse.net, meteorobs at meteorobs.org
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>
>Here are raw counts. LM was ~ 5.7, decreasing toward the end.
>
>0630-0730 ORI 18
>0730-0830 ORI 22
>0830-0930 ORI 14
>
>For the 3 Hours SPO 15, NTA 3, STA 1, EGE 2, LMI 2, ORI 54 (18/Hr)
>
>
>
>> BTW, I observed from 0630-0930 UT
>>
>>> Kim, don't know what my rates were, since I just got up and haven't
>>> transcribed tapes. While my rates were not that high, as my eyes and
>>> skies
>>> are not as good as yours, rates were higher than I expected.
>>> Also had a nice -6 Orionid fireball that left a 10 second train. Nice!
>>>
>>> More later
>>>
>>> Wayne in NJ
>>>
>>>> I spent three hours observing before dawn this morning and had an
>>>> incredible
>>>> night -- I had Orionid rates that I don't ever recall having before in
>>>> the
>>>> past. Here's hoping someone can confirm the following rates:
>>>> Observing Site -- East Georgia, USA
>>>>
>>>> 7:00 - 8:00 UT ORI (28) SPO (09) STA (03) LMI (1)
>>>> 8:00 - 9:00 UT ORI (34) SPO(06) EGE(3) STA(1) NTA(1)
>>>> 9:00 -10:00 UT ORI (39) SPO(11) EGE(2)
>>>>
>>>> I observed 138 meteors in three hours teff, with each hour having
>>>> Orionid
>>>> rates at double or more than double the expected amount...I had a great
>>>> many
>>>> bright members including a -4 that left a 1-minute+ persistant train!
>>>> It will be later this weekend before I can reduce everything and have a
>>>> full
>>>> report ready.
>>>>
>>>> Kim Youmans
>>>>
>>>>
>>>>
>>>> --
>>>> No virus found in this outgoing message.
>>>> Checked by AVG Free Edition.
>>>> Version: 7.1.408 / Virus Database: 268.13.9/490 - Release Date:
>>>> 10/20/2006
>>>>
>>>> ---
>>>> Mailing list meteorobs: meteorobs at meteorobs.org
>>>> To UNSUBSCRIBE, email: owner-meteorobs at meteorobs.org
>>>> http://lists.meteorobs.org/mailman/listinfo/meteorobs
>>>>
>>>
>>> ---
>>> Mailing list meteorobs: meteorobs at meteorobs.org
>>> To UNSUBSCRIBE, email: owner-meteorobs at meteorobs.org
>>> http://lists.meteorobs.org/mailman/listinfo/meteorobs
>>>
>>
>>
>
>
>------------------------------
>
>Message: 5
>Date: Sat, 21 Oct 2006 14:05:35 -0400
>From: Pierre Martin
>Subject: Re: (meteorobs) Stronger than usual Orionids - East GA USA
>To: Global Meteor Observing Forum
>Message-ID:
>Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
>Hi Kim,
>
>Thanks for your quick report! Looks like it was an amazing session
>indeed. I made an attempt last night to catch some sucker holes just
>west of Ottawa (Ontario), but I ended up seeing only overcast all
>night and nothing else. Our weather continues to be frustrating.
>I'll be trying again later tonight...
>
>Clear skies,
>
>- Pierre Martin
>
>
>
>On 21-Oct-06, at 11:25 AM, Kim Youmans wrote:
>
>> I spent three hours observing before dawn this morning and had an
>> incredible night -- I had Orionid rates that I don't ever recall
>> having before in the past. Here's hoping someone can confirm the
>> following rates:
>> Observing Site -- East Georgia, USA
>>
>> 7:00 - 8:00 UT ORI (28) SPO (09) STA (03) LMI (1)
>> 8:00 - 9:00 UT ORI (34) SPO(06) EGE(3) STA(1) NTA(1)
>> 9:00 -10:00 UT ORI (39) SPO(11) EGE(2)
>>
>> I observed 138 meteors in three hours teff, with each hour having
>> Orionid rates at double or more than double the expected amount...I
>> had a great many bright members including a -4 that left a 1-minute
>> + persistant train!
>> It will be later this weekend before I can reduce everything and
>> have a full report ready.
>>
>> Kim Youmans
>>
>>
>
>
>------------------------------
>
>Message: 6
>Date: Sat, 21 Oct 2006 11:18:02 -0700
>From: bmccurdy at telusplanet.net
>Subject: Re: (meteorobs) Orionids
>To: Global Meteor Observing Forum
>Message-ID:
>Content-Type: text/plain; charset=ISO-8859-1
>
>
>Happy to hear of the good sessions of Kim, Thomas, and others -- thanks for
>the great reports!
>
>Frustrating at the same time, since my report is more like Pierre's. Here in
>Alberta, we've had completely hopeless weather; normally a fine month, October
>has been almost entirely overcast. I had high hopes for this year's Orionids,
>in fact, I just got a talking watch for my birthday so that I could improve my
>counting methodology and was anxious to give it a test drive. Maybe that's the
>meteor watcher's equivalent to buying a new telescope -- a week of lousy
>weather for each inch of aperture. Fortunately, it's a small aperture
>watch. :)
>
>Possible clearing tonight, I'll certainly give it the old college try ...
>
>Bruce
>*****
>
>Quoting Pierre Martin :
>
>> Hi Kim,
>>
>> Thanks for your quick report! Looks like it was an amazing session
>> indeed. I made an attempt last night to catch some sucker holes just
>> west of Ottawa (Ontario), but I ended up seeing only overcast all
>> night and nothing else. Our weather continues to be frustrating.
>> I'll be trying again later tonight...
>>
>> Clear skies,
>>
>> - Pierre Martin
>>
>>
>>
>> On 21-Oct-06, at 11:25 AM, Kim Youmans wrote:
>>
>> > I spent three hours observing before dawn this morning and had an
>> > incredible night -- I had Orionid rates that I don't ever recall
>> > having before in the past. Here's hoping someone can confirm the
>> > following rates:
>> > Observing Site -- East Georgia, USA
>> >
>> > 7:00 - 8:00 UT ORI (28) SPO (09) STA (03) LMI (1)
>> > 8:00 - 9:00 UT ORI (34) SPO(06) EGE(3) STA(1) NTA(1)
>> > 9:00 -10:00 UT ORI (39) SPO(11) EGE(2)
>> >
>> > I observed 138 meteors in three hours teff, with each hour having
>> > Orionid rates at double or more than double the expected amount...I
>> > had a great many bright members including a -4 that left a 1-minute
>> > + persistant train!
>> > It will be later this weekend before I can reduce everything and
>> > have a full report ready.
>> >
>> > Kim Youmans
>> >
>> >
>>
>> ---
>> Mailing list meteorobs: meteorobs at meteorobs.org
>> To UNSUBSCRIBE, email: owner-meteorobs at meteorobs.org
>> http://lists.meteorobs.org/mailman/listinfo/meteorobs
>>
>
>
>
>
>
>------------------------------
>
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>meteorobs at meteorobs.org
>To UNSUBSCRIBE or EDIT OPTIONS on meteorobs
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>
>End of meteorobs Digest, Vol 30, Issue 22
>*****************************************
>
-----------------------------------------------------------------
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-------------- next part --------------
Visual Observing Report
Day: 21 Month: 10 ; Year: 2006
Location:Bulgaria;Troyan, Long: 24d 42m
Latit: 42d 53m
Elevation:480 m
From:Nadka Dankova,AO ?Johan Kepler?,Troyan
Magnitude distribution:
03:32UT ? 04:33UT; SW ;clear sky; average limiting magnitude: 3,79
Total meteors: 9
Ori: 4
Spor:5
Time Mag. Type
03:36 0 Ori
03:40 1 Spo
03:45 0 Spo
03:55 1 Spo
04:01 1 Ori
04:06 1 Ori
04:13 0 Ori
04:19 1 Spo
04:26 3 Spo
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