2017t2 20200120 rleadbeater

Observer Robin Leadbeater Time of observation 18/01/2020 - 20:30 Object Comet C/2017 T2 (PanSTARRS) Observing location Three Hills Observatory Wigton Cumbria UK Equipment Celestron C11 with focal reducer ALPY 600 spectrograph ATIK 428 camera Exposure 15x300 sec A sky background subtracted low resolution spectrum image covering ~3700-7800 Angstrom showing sunlight scattered from the bright inner coma and emission bands from CN, C2, C3 in the outer coma. (The faint spectrum above the coma is a field star which passed through the slit during the exposure). Processed spectra in the BAA spectroscopy database

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