A spectra of the Neowise comet, obtained yesterday evening with a LISA spectrometer and C8 telescope.
The observation was difficult, since it has been performed between the leafs of the trees of my neighbor...
The relative radiometric calibration of the spectra is not very accurate, since I had to use a reference star far higher than the comet (which was very near the horizon).
Franck Boubault
Neowise Spectra
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