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Re: (meteorobs) Indirect observing methods for 2001's Leonids ...
Quoting Rob McNaught <rmn@aaocbn.aaodot gov.AU>:
> Back in 1998 I gave predictions for the Leonids dust trail "glow". It is
> in the direction of the "true radiant", not the apparent radiant. Don't have
> any info close at hand. Any glow is likely to be too faint to photograph
> (I tried in 1998). A Japanese group on Mauna Kea claimed success with CCD
> obs, but the form of the glow seems unrealistic, unrelated to the geometry
> and physical nature of dust trails.
The details of this Japanese observation can be found in the paper by Nakamura
et al. the Astrophysical Journal 540 (2000), 1172-1176.
The glow they observed and attribute to the Leonid dust trail in space was
located just (some 5 degrees) above the back of Leo and some 5-10 degrees east
of the head of Leo. This is indeed close to the true radiant for the stream
(which is in Leo minor). A problem will be that this is not too far from the
main zodiacal light.
Marco
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