(meteorobs) Request for old SDA data

[Roberto]

Hi Koen,
I have observations of the 2003 carried out in mountain with an optimal sky
for the nights of the 27-28, 28-29 and 30-31. In total approximately 9h with
273 meteors. For the night of the 28-29 I do not have a detail activity high
(21h50m-02h00m UT).
In other years I have had activities higher than 20/25 even if not to levels
of 40 or beyond.
For 1985 and 1987 I have little observations.
Roberto Haver

----- Original Message ----- 
From: "Miskotte" <koen.miskotte at versatel.nl>
To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
Sent: Sunday, September 14, 2008 10:10 PM
Subject: Re: (meteorobs) Request for old SDA data


> Hello Roberto,
> I have a good reason to look for the data of australian observers.
Normally
> the SDA meteor stream has maximum ZHR's (according to the imo meteor
> calendar) of 20-25. In the period of 22 juli to 2 august 2003 I had my
> holliday on Crete (Greek) and I was able to observe almost every night.
> During the night 28/29 juli I observed a small peak of activity. During
two
> hours the ZHR rises sharp to 40. This "enhanced" activity (this is ZHR
above
> 25) lasted for two hours. In my opinion there are two possibilities:
> 1) an outburst with maximum zhr of 40.
> 2) The time of maximum was exact the same as in the imo calendar. Maybe
this
> peak ZHR is normal and because of the short duration it is easely missed
in
> the past. Especcialy for northern hemisphere observers because the radiant
> stay low on these latitides. On meteorshowers.online  (Gary Kronk) I found
a
> story about Australian observations in the year 1977 and 1979 on the SDA
> meteor stream. During the 1977 observations they had high SDA ZHR's, up to
> 40. That's the same level as I had obsderved in 2003. The article of Kronk
> give no information about the duration of this event: one hour, two hours,
> one day or longer? I asked Jeff Wood for the original data but
unfortunately
> some years ago he destroyed the original records. Before  he destroyed the

> old records he sent copies of the original data to some people. Also the
> data of 1985 and 1987 gives ZHR values up to 30. This is the same level we
> had seen on La Palma this year. That's the reason I was seeking for these
> data.
> But if you can deliver me data of SDa's during 27/28, 28/29 and 29./30
july
> 1985 and 1987 with good limiting magnitudes I certainly will have a look
on
> it!
> Thanks for your suggestions!
> Best wishes, Koen
>
>
>
> ----- Original Message ----- 
> From: "Roberto" <me3540 at mclink.it>
> To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
> Sent: Sunday, September 14, 2008 7:37 PM
> Subject: Re: (meteorobs) Request for old SDA data
>
>
> > Hi Koen,
> > The years of the Italian observations are a lot more for the dates from
> > you
> > written. I must have hundred of hours of observations in that date from
> > 1980
> > to 2008. If you want to have of the copy to me in private.
> > Roberto Haver
> >
> > ----- Original Message ----- 
> > From: "Koen Miskotte" <koen.miskotte at versatel.nl>
> > To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
> > Sent: Sunday, September 14, 2008 6:56 PM
> > Subject: Re: (meteorobs) Request for old SDA data
> >
> >
> >> Thanx Roberto.
> >> I have contacted Enrico and hopefully he has the requested Australian
> > data.
> >> Many regards,
> >> Koen
> >> ----- Original Message ----- 
> >> From: "Roberto G." <md6648 at mclink.it>
> >> To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
> >> Sent: Sunday, September 14, 2008 11:49 AM
> >> Subject: Re: (meteorobs) Request for old SDA data
> >>
> >>
> >> > From: "Koen Miskotte" <koen.miskotte at versatel.nl>
> >> >
> >> >> Hello,
> >> >> During the period of 25 july 'till 1 august I stayed with some
fellow
> >> >> observers at the Roque de Los Muchachos observatory at la Palma.
There
> > we
> >> >> had een great view on the southern summerstreams the Southern delta
> >> >> Aquarids and the Capricornids. This small expedition resulted in
> >> >> 133,93
> >> >> hours of data and almost 6000 meteors seen visually. To prepare an
> >> >> analyse
> >> >> of this data for WGN, Carl Johannink and I are now in the process of
> >> >> calculating "r" and zhr. For further investigation we need old
> > Australian
> >> >> data. Does have anyone australian data of the period july 1977 (and
> >> >> especcially the night 28/29 july 1977), 1985 and 1987? I have
> >> >> contacted
> >> >> Jeff Wood but onfortunately he has no longer data out of this
period.
> > But
> >> >> he has sent to many meteor organisations on the world the original
> >> >> reports.
> >> >> So, if someone has this data, please kontakt me off line asap:
> >> >> koen.miskotte(at)versatel.nl
> >> >> Thanks for reading this message.
> >> >> Koen
> >> >
> >> > I have this data but they are data from Italy, do you want this?
> >> >
> >> > ANNO MESE GIORNO SCIAME ORE METEORE
> >> >
> >> > 1998 luglio 27-28 AQUARIDI 4,00 63
> >> > 2001 luglio 27-28 AQUARIDI 3,50 33
> >> > 1995 luglio 28-29 AQUARIDI 3,50 25
> >> > 2000 luglio 28-29 AQUARIDI 3,00 27
> >> > 2001 luglio 28-29 AQUARIDI 3,00 29
> >> > 2003 luglio 28-29 AQUARIDI 2,16 29
> >> > 1989 luglio 29-30 AQUARIDI 2,83 27
> >> > 1990 luglio 29-30 AQUARIDI 2,90 28
> >> > 1992 luglio 29-30 AQUARIDI 4,50 36
> >> > 1995 luglio 29-30 AQUARIDI 4,00 35
> >> > 1998 luglio 29-30 AQUARIDI 4,00 87
> >> > 2000 luglio 29-30 AQUARIDI 2,66 29
> >> > 1998 luglio 30-31 AQUARIDI 4,00 73
> >> >
> >> > Or better you can visit this site:
> >> >
> >> > http://meteore.uai.it/
> >> >
> >> > in the section Dati Osservativi visuali e video di sciami meteorici
> >> > the data go until 1994 but Enrico Stomeo has too the data
> >> > until 1980 and perharps too the exact data from Australia
> >> > that you search. (At the end of the page [Uai-Sezione Meteore]
> >> > there is its mail address).
> >> > Best greetings.
> >> > Roberto Gorelli
> >> >
> >> >
> >> >
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