Follow-up Observations of Comet C/2021 A1 (Leonard)

Left: Comet C/2021 A1 (Leonard) next to the globular cluster M3, taken with the CTK-II in the R-band on 3 December 2021.

Right: FLECHAS spectrum of comet C/2021 A1, taken on 3 December 2021, with strong emisision lines of NH₂, C_2, and [OI].

The fully reduced FLECHAS spectrum is available upon request. Contact: M. Mugrauer (email: markus@astro.uni-jena.de).