High resolution spectrum around Na D lines

Home Forums Comets C/2020 F3 (NEOWISE) High resolution spectrum around Na D lines

#582765
Robin Leadbeater
Participant

This is what the spectrum  in the region near the Na D lines looked like tonight at ~1A resolution. (The inset is the guider image showing the position of the slit). Note the Doppler blue-shift in the comet Na D lines relative to the  sky lines

Robin