(meteorobs) Early PERs from around the lamba AND
Koen Miskotte
k.miskotte at upcmail.nl
Wed Jul 6 11:18:16 EDT 2011
Hello Wayne, Bernd,
The first so called Perseid (with a flare of magnitude 0 and a 2 second
train) I saw appeared near Altair.
If I trace it backwards I come close to both radiants.
The second Perseid appeared in starfield 1 in Draco and was evident from the
vicinity of lambda And.
Best regards,
Koen
-----Oorspronkelijk bericht-----
From: Bernd Brinkmann
Sent: Wednesday, July 06, 2011 2:00 PM
To: Meteor science and meteor observing
Cc: Martin Breukers
Subject: Re: (meteorobs) Early PERs from around the lamba AND
Hello Sergei,
I just entered the data Wayne gave into a shower list for UfoOrbit and
processed
the data from MBB3 by Martin Breukers (Hengeloo, NL) and KLEMOI (one of my
cameras, 20 km east of Cologne) from the night 04./05. July. And indeed from
the
11 double station meteors 3 were identified as CANs! The other 8 were SPOs.
Attached is the csv output of UfoOrbit for these 3 CANs.
Clear skies
Bernd
> Hi, Wayne et all!
>
> Are there any documented attempts to calculate orbital elements of CAN
> from
> double-station observations, so that the difference from PER is doubtless?
>
> Sergei
> > Another possibility is a new shower found in the IMO video data. That
> > data
> > shows no evidence of Perseids earlier than July 13. However there is
> > another
> > shower with a radiant nearby, at RA 024 (1h 38m), Dec +45
> > on July 5 (currently in eastern Andromeda), and similar velocity (59
> > km/s). It's new IAU shower #411, CAN. I recorded a surprising amount
> > of activity from this radiant this morning, with 4 plots out of 15
> > meteors in
> > 1.825 hours. It's documented in WGN 37:4.
> >
> > Wayne
> > Hi Sergei,
> > Same results here (Ermelo, the Netherlands). Last night(4/5 july) I
> > could
> > observe for 2,2 hours and counted 2 Perseids. The first one
> > was a nice magnitude 0 with 2 second train.
> > In previous years I frequently saw activity from this region, even
> > already
> > at the end of June. Problem with these very early Perseids (as I called
> > them) is that you never really know whether it really was a Perseid or a
> > sporadic meteor that accidentally came from the same region.
> > But the meteors I saw last night were undoubtedly Perseids!
> > Best wishes,
> > koen
> > Greetings!
> >
> > My visual observations on the 03/04 and 04/05 of July show, that there
> > are
> > early PERs coming from the area around the lambda AND.
> >
> > With best regards
> > Sergei Schmalz
Bernd Brinkmann
Sternwarte Herne, MPC code A18
Herne, Germany
e-mail: info at sternwarte-herne.de
http://www.sternwarte-herne.de
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