(meteorobs) SPE and DAU : what is the difference?
meteoreye at comcast.net
meteoreye at comcast.net
Thu Jul 24 14:06:35 EDT 2008
Oh, and BTW, no parent body is linked to either shower that I am aware of.
-------------- Original message --------------
From: meteoreye at comcast.net
> Hi Karl,
>
> The IMO video data suggests a much longer break between the showers. Sirko
> detected SPE activity from Sept 5-13 from near RA 48, Dec +39. DAU activity was
> detected only from October 6-12 from near RA 106, Dec +46. So that leaves 3
> weeks of very low (if any) activity between them.
>
> The IAU lists SPE activity from Sept Sept 7-23 (RA 050 Dec +39; 9/12) and DAU
> from 9/29-10/18 (RA 84, Dec +50 10/8)
>
> This suggests they are clearly 2 different showers, and perhaps the IMO start
> and end times are generous.
>
> Wayne
>
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