The Coma Berenicids meteor shower takes place within the boundaries constellation of the Coma Berenices. The meteor showers occurs between Dec 8-Jan 23 with the peak occuring on the Dec. 18-Jan. 6 every year The Solar Longitude, mistakenly known as Lambda Omicron is 278 degrees. This value sometimes expressed as S.L. or λ ☉ is the the date of maximum activity. It is measured as a degree with zero degree indicating spring equinox (roughly March 21st/22nd). 90 is the Summer Solstice, 180 is the Autumn Equinox and 270 is the Winter Solstice. This degree is independent of the calender. AMS .
If you exclude the Quantratids which are mainly in January then the Coma Berenicids is the last meteor shower of the year. It is a minor meteor shower and not something that will excite anything but the most ardent of meteor watchers. As for the soure of the meteor shower, it is not known. Given the fact that they are in roughly the same patch of the sky as the Delta-Leonids, it can`t be ruled out that they are from the same source.
The coordinates can also be determined by the Right Ascension (170) and the Declination (26).
The Zenith Hourly Rate or how many you expect to see during the hour is 5. The ZHR can radically increase if the comet or associated object is close by. The speed/velocity of the Meteor Shower particles is 65 km/s. The population index of the meteor shower is 3. The population index refers to the magnitude distribution of the meteorites, the smaller the index, the brighter the meteors are, the higher, the dimmer the meteors are. For this particular meteor shower, bright meteors are more frequent.
|Max Activity Date||30 Dec|
|Activity Period||Dec 8-Jan 23|
|Solar Longitude / λ ☉||278 °|
|Zenith Hourly Rate||5|