Observation by Robin Leadbeater: C/2020 R4 ATLAS - A spectroscopic cross ...
2021 May 01 - 00:26
2021 May 05 - 22:51
- ALPY 600 spectrograph
- ATK 428 camera
- Celestron C11 SCT 280mm aperture f5.5
Three Hills Observatory Wigton Cumbria UK
C/2020 R4 (ATLAS)
C/2020 R4 ATLAS - A spectroscopic cross section through the coma
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