A Spectrum from the comet tail

Forums Comets C/2020 F3 (NEOWISE) A Spectrum from the comet tail

#582870
Robin Leadbeater
Participant

A spectrum of the emission lines from the comet tail.

It is very different to those of the coma usually seen in amateur spectra and is dominated by CO+ emission lines  (the absolute intensity in the spectrum is only ~1% of that in the coma spectrum)

Cheers

Robin