A Star'Ex spectrum of comet C/2020 R4 on a 8-inch Newton reflector, taken the April 24.9, 2021:
The nucleus region spectrum profile (relative to a solar type star):
The coma spectrum:
Christian Buil
Comet C/2020 R4 (ATLAS) spectrum
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Re: Comet C/2020 R4 (ATLAS) spectrum
A spectrum from 2021-05-01 of the emission from the central coma and a cross-section of the distribution of CN,C2 and dust through the coma.
More details on my BAA page
https://britastro.org/observations/obse ... 7833fcd5cc
More details on my BAA page
https://britastro.org/observations/obse ... 7833fcd5cc
LHIRES III #29 ATIK314 ALPY 600/200 ATIK428 Star Analyser 100/200 C11 EQ6
http://www.threehillsobservatory.co.uk
http://www.threehillsobservatory.co.uk