(meteorobs) Meteor Obs. 9/12/15 - Mathias, WVa
george
gwgliba at gmail.com
Sat Sep 12 14:47:15 EDT 2015
Meteor Observers,
Of course, I meant [video], radar, and visual observers in the last sentence of the
second paragraph. There is some evidence that the peak for the SAT may be
tonight, but I am not sure until I check for leap year dates. Activity from this area
should only last a few days.
GWG
On Sep 12, 2015, at 2:29 PM, george <gwgliba at gmail.com> wrote:
> Screech Owl Hill Observatory, Mountain Meadows
> Mathias, West Virginia - Sept. 12, 2015
>
> Conditions were good this morning, so I decided to do more meteor
> observing from 4:16 to 6:16 UT. There were no meteors that were
> brighter than 1st magnitude. There was a good showing for the SPE
> meteors, and the September Alpha Triangulids (SAT), which don’t
> seem to be annual, but periodic, with a period of 5 or 6 years according
> to Gary W. Kronk, and I agree. They last put on a fair showing in 2009.
> Last year the moon was nearly Full for this date; so I didn’t observe.
>
> They seem to be medium-fast meteors, and possibly part of a complex.
> A casual meteor was seen from Alpha Aries earlier, and another from Beta
> Triangulii (BTR) the first hour, but I counted it as a Sporadic. Other years
> I saw a few BTR meteors. I first noticed the BTR meteors back in 1994, but
> didn’t include them in my totals separately. On September 11/12, 1998 the
> Japanese meteor observer Osada Kazuhiro plotted 9 meteors from the BTR
> area from 14:15 to 16:30 UT, according to the Minor Meteor Shower Circular
> #57, from Japan. I think visual, radar, and visual meteor observers should
> look for meteors from this region from last night and tonight.
>
> Date Time (UT) LM %Obst. FOV
> 9/12/15 4:16-5:16 6.5 0% 1.3+60
> STA SAT SIC SPE ORI SLY SPO Total
> 2 2 1 3 1 1 7 17
>
> Date Time (UT) LM %Obst. FOV
> 9/12/15 5:16-6:16 6.4 5% 2.3+60
> STA SAT SIC SPE ORI SLY SPO Total
> 2 3 1 3 1 1 9 20
>
> Magn. Distributions Sept. 12, 2015 - 04:16-06:16 UT - LM=6.45
> 1 2 3 4 5 Total Ave.
> STA 1 0 2 0 1 4 3.0
> SAT 1 1 2 0 1 5 2.8
> SIC 0 0 1 1 0 2 3.5
> SPE 2 0 1 1 2 8 3.2
> ORI 1 0 1 0 0 2 2.0
> SLY 1 0 0 1 0 2 2.5
> SPO 3 2 3 3 5 16 3.3
>
> Starry Skies,
> GWG
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