(meteorobs) Deficit of southern meteor streams apparently confirmed

[Jay Salsburg]

It occurs to me that the human factor together with antiquated technology
mentioned below by Ed Cannon, may be the source of the "significant deficit
of radiants in the southern sky."

Ask yourself these questions...

Is Meteor Observation using only a spattering of human beings and video
recordings Science? 
Can new technology replace/upgrade the antiquated, spotty distribution of
All Sky Video recorders to bring Meteor Observation into the 21st Century?
How may Meteors be detected outside Earth with uniform spatial imaging?
Can optical detection from Space (LEO Satellites) be a viable source of
data?

Finally... Why is there no activity (on this and other lists) to develop and
deploy new technology for Meteor Observation?


-----Original Message-----
From: meteorobs-bounces at meteorobs.org
[mailto:meteorobs-bounces at meteorobs.org] On Behalf Of Ed Cannon
Sent: Monday, March 24, 2014 12:12 AM
To: Meteor science and meteor observing
Subject: Re: (meteorobs) Deficit of southern meteor streams apparently
confirmed

In advance I beg everyone's pardon for setting forth my ignorance, but I
still want to say that I wonder what part, if any, the differences in human
population centers, land masses versus oceans, and even differing weather
patterns between the northern and southern hemispheres might play in
possibly biasing the data.

Might it be possible to statistically isolate comparably situated observing
locations that could make observations on the same nights, and so on, say at
the equator, 30 north and south, 60 north and south, and even the poles or
nearly so, if possible -- something like that, just to try to eliminate
observing location biases?

Kind of just brainstorming from Austin, Texas, USA...  Maybe you all already
did all of that.

Ed Cannon




----- Original Message -----
From: "dfischer at astro.uni-bonn.de" <dfischer at astro.uni-bonn.de>
To: meteorobs at meteorobs.org
Cc: 
Sent: Saturday, March 22, 2014 4:30 AM
Subject: (meteorobs) Deficit of southern meteor streams apparently confirmed

I'm at the annual meeting of the German meteor society -
http://meteoros.de/akm/seminar14/index.html - right now, and this morning we
learned about a new analysis of international video data that seems to
confirm with hard numbers that there is a significant deficit of radiants in
the southern sky: as you can see in S. Molau's summary slide
https://twitter.com/cosmos4u/status/447289852493434880/photo/1/large over
1/2 of all streams are located north of +30°N. Has this significant
hemispheric asymmetry also shown up in other data sets (e.g. radar) - and if
it's real: what could be the explanation?

Daniel Fischer in Dessau


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