Quadrantids and December alpha Draconids

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Alex Pratt

Hi Bill,

As discussed offline, the meteor shower data are suppiled in the ULE_J5.csv and ULE_J6.csv files bundled with the UFO software suite.

They are also listed in the IAU MDC

The Vg of the two showers are essentially the same, 41.36km/s (Quads) and 41.6 (DaDs).

UFO Analyser derives an estimate of the meteor’s velocity from a single-station recording, then UFO Orbit computes an estimate of its geocentric velocity using data from two or more stations.