(meteorobs) Fireball June 25
José Antonio Sánchez
jstarmet at gmail.com
Wed Jul 30 17:26:16 EDT 2014
The last day June 25, at about 10 pm local time, a super fireball was seen
in Spain cross the province of Granada NE. SE. someone picked up some
information about this event?
El miércoles, 30 de julio de 2014, <meteorobs-request at meteorobs.org>
escribió:
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> Today's Topics:
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> 1. July meteors (Paul Martsching)
> 2. Meteor observations from Alberta 2014 July 29 (BRUCE MCCURDY)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 29 Jul 2014 11:15:49 -0500
> From: Paul Martsching <pmartsching at mchsi.com <javascript:;>>
> Subject: (meteorobs) July meteors
> To: Meteor science and meteor observing <meteorobs at meteorobs.org
> <javascript:;>>
> Message-ID: <ECBAA221-4CB6-4BEC-9D55-51C61521AA6A at mchsi.com <javascript:;>
> >
> Content-Type: text/plain; charset=us-ascii
>
> Last night was clear, but hazy. The haze gradually worsened thru out the
> session. I faced SE to avoid the rather bad sky glow over Ames in the SW
> while still being able to distinguish southern shower meteors. I stayed
> out a while longer than three hours, but conditions worsened, so I went
> home. Spotty fog on drive home. Too much corn and soy beans. Tomorrow
> forecast to be clear. Hope not so hazy! Three deer and one skunk crossed
> road in front of me on drive home.
>
> Giving average LM in FOV to account for the haze. Only +4 SDA's were
> meteors that traveled 10 plus degrees and were well above the radiant. Of
> course in general I only see +4 meteors in the upper half of my FOV. I saw
> no ANT's, PAU's or ERI's.
>
> 29 July 2014 0450-0550 UT 59 deg F; dew pt 56 deg F; wind NW 3 mph; clear
> with considerable horizon haze; average LM in FOV 5.3; facing SE 50 deg;
> teff 1.0 hour.
> CAP: two: 0, +1
> PER: none
> SDA: two: +3; +4
> Sporadics: two: +3(2)
> Total meteors: six
>
> 29 July 2014 0550-0650 UT 58 deg F; dew pt 55 deg F; wind NW 3 mph; clear
> with considerable horizon haze; aver LM in FOV 5.2; facing SE 50 deg; teff
> 1.0 hr.
> CAP: none
> PER: three: - 2; +1(2)
> SDA: four: 0; +2; +4(2)
> Sporadics: two: +2; +4
> Total meteors: nine
>
> 29 July 2014 0650-0750 UT 57 deg F; dew pt 54 deg F; wind calm; clear with
> increasing horizon haze; aver LM in FOV 5.1; facing SE 50 deg; teff 1.0 hr.
> CAP: two: - 3; 0
> PER: one: +2
> SDA: three: +1; +3(2)
> Sporadics: three: +1; +3(2)
> Total meteors: nine
>
> 29 July 2014 0750-0820 UT 58 deg F; dew pt 54 deg F; wind NW 5 mph;
> worsening horizon haze; aver LM in FOV 4.8; facing ESE 50 deg trying to
> evade worst of the increasing sky glow over Ames in SW; teff 30 minutes.
> CAP: none
> PER: one: +1
> SDA: two: +2; +4
> Sporadics: two: +1; +2
> Total meteors: five (30 minutes)
>
> ------------------------------
>
> Message: 2
> Date: Tue, 29 Jul 2014 16:00:44 -0600 (MDT)
> From: BRUCE MCCURDY <bmccurdy at shaw.ca <javascript:;>>
> Subject: (meteorobs) Meteor observations from Alberta 2014 July 29
> To: Meteor science and meteor observing <meteorobs at meteorobs.org
> <javascript:;>>,
> Astronomy Discussion list <astro at mailman.srv.ualberta.ca
> <javascript:;>>
> Message-ID: <224099305.41569348.1406671244165.JavaMail.root at cds016>
> Content-Type: text/plain; charset=utf-8
>
> I made my way out to Beaver Hills Dark Sky Preserve in the wee hours to
> try to observe the peak of the South Delta Aquarids along with various
> other active radiants. It turned out to be a more short-lived session than
> I expected, as after an hour of excellent skies a weather system rolled in
> which brought increasing cloudiness and eventually a few raindrops. Not
> quite the type of showers I had in mind!
>
> Nonetheless it was great to be out of the city and under a truly dark sky,
> if only for an hour, for the first time since our unsuccessful group
> attempt to observe the Camelopardalids on May 24 and before that, my annual
> attempt at the elusive Eta Aquarids on May 6. Since then I have occupied my
> time observing "meteor smoke" that has recently been identified as the
> nucleating agent of noctilucent clouds, an interesting development in
> another phenomenon I have been observing in a somewhat organized manner for
> over 25 years. (I saw 8 such displays in 2014, a moderate year.)
>
> We are only now reaching the end of perpetual twilight here in central
> Alberta (53?? N.), with the first minutes of true astronomical darkness in
> some 2? months set to occur on the 31st. This morning when I started around
> local midnight it was dark enough that one could hardly tell the
> difference, with an SQM reading nearing 21.7 and a limiting magnitude of
> 6.25 using the star count method. Under those conditions an hour under the
> Milky Way wasn't so much a sight for sore eyes, as sustenance for the soul.
>
> My session was moderately decent with 14 meteors observed in 1.5 hours
> Teff, not to mention a few mirages and phantoms which I resolutely did Not
> count. I seem to have become more susceptible to these as I age, and have
> learned to largely ignore them.
>
> The best meteor seen was a mag -2 Capricornid, distinctly orange in colour
> and moving at a majestically slow pace not far from the radiant. I saw one
> white SDA of similar magnitude, and also fine single examples of the Alpha
> Triangulid (ATR) and Gamma Draconid (GDR) radiants, both of magnitude 0.
> Toss in a handful of early Perseids and in all I identified members of 5
> different showers, failing only to see the Anthelions, the ultra-low Piscid
> Austrinids, and the late-rising Eta Eridanids from Bob Lunsford's
> invaluable weekly outlook. The featured SDAs led the list with 5 shower
> members seen.
>
> My IMO report is appended at bottom for those interested.
>
> Bruce
> *****
>
> ----- Forwarded Message -----
> From: "Bruce McCurdy" <bmccurdy at shaw.ca <javascript:;>>
> To: "IMO report forms" <imovisual at gmail.com <javascript:;>>
> Cc: bmccurdy at shaw.ca <javascript:;>
> Sent: Tuesday, July 29, 2014 3:32:35 PM
> Subject: Electronic visual form for 2014-7-29
>
> // Header section
> night 2014-07-28/29
> begin 2014-07-29 0745
> end 2014-07-29 0925
> observer "Bruce" "McCurdy" "MCCBR"
> location 112 46 48 W, 53 32 12 N
> site "Beaver Hills Dark Sky Preserve (Blackfoot)" "Canada"
> "51128"
> reporter "bmccurdy at shaw.ca <javascript:;>"
>
> // Shower section
> shower GDR 281 +51
> shower CAP 307 -10
> shower SDA 339 -16
> shower ATR 032 +41
> shower PER 046 +58
> shower ANT 317 -16
> shower SPO
>
> // Number section
> // Interval RA Dec Teff F Lm GDR
> CAP SDA ATR PER ANT SPO
> period 0745-0815 000 +15 0.500 1.00 6.25 C 0 C
> 0 C 1 C 1 C 2 C 0 C 1
> period 0815-0845 015 +15 0.500 1.00 6.25 C 0 C
> 1 C 2 C 0 C 1 C 0 C 0
> period 0855-0925 045 +30 0.500 1.25 5.90 C 1 C
> 1 C 2 C 0 C 1 C 0 C 0
>
> // Magnitude section
> // Show Interval -6 -5 -4 -3 -2 -1
> +0 +1 +2 +3 +4 +5 +6 +7 Tot
> distribution GDR 0745-0925 - - - - - -
> 1.0 - - - - - - - 1.0
> distribution CAP 0745-0925 - - - - 1.0 -
> - - - - 1.0 - - - 2.0
> distribution SDA 0745-0925 - - - - 1.0 -
> - 2.0 1.0 - 1.0 - - - 5.0
> distribution ATR 0745-0925 - - - - - -
> 1.0 - - - - - - - 1.0
> distribution PER 0745-0925 - - - - - -
> - 1.0 - 2.0 1.0 - - - 4.0
> distribution SPO 0745-0925 - - - - - -
> 1.0 - - - - - - - 1.0
>
> // Personal comments
> Observations of South Delta Aquarids and seasonal radiants from BHDSP.
> Excellent conditions for first hour, gradually compromised by incoming
> clouds in final half-hour.
> Showers observed included Gamma Draconids (GDR) and Alpha Triangulids
> (ATR) as per AMS list.
> No Anthelion meteors were observed.
>
>
>
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> End of meteorobs Digest, Vol 38, Issue 9
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