Observation by Robin Leadbeater: Spectrum of Comet C/2017 T2 (PanSTARRS)

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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_C2017 T2 PanSTARRS_noflat_noinstresp.jpg (134.2 kB)

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Jeremy Shears, John Bracegirdle, Andrew Smith, Mark Phillips, Peter Mulligan, Andy Wilson, Graham Winstanley, Peter Carson, Andrew Dumbleton, Peter Gudgeon

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