Population index
Encyclopedia
The population index indicates the magnitude distribution of the meteor showers. The values below 2.5 correspond to distributions where bright meteors are more frequent than average, while values above 3.0 mean that the share of faint meteors is larger than usual. The value 3.0 have Coma Berenicids
Coma Berenicids
Coma Berenicids is a minor meteor shower, originating from the constellation Coma Berenices. The shower appears from December 8 to January 23 with the estimated maximum on December 20—29 . The radiant during that time is at α=165°, δ=+30°...

in particular.
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