Man of Honour
OR If you are sufficiently unconvinced by the mainstream explanation, it is electrical arcing jet's of charged particles, the comet reacting to moving through the electrically charged solar wind, producing a very easily modelled complex set of chemical reactions that produce a wide range of the observed volatile & organic molecules inside the coma (inc. water and OH), aka. the origins of life, nothing more than a simple electrochemical reaction.
The beautiful Lyrid meteor shower.
The beautiful Lyrid meteor shower.