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Abstract
Spectroscopic observations of comet 29P/Schwassmann-Wachmann 1 were carried out at the SOAR 4.1-meter telescope (Chile) on August 12, 2016, when its heliocentric distance was 5.9 au. The spectra revealed CO+ and N2+ emissions in the cometary coma. The [N2+]/[CO+] ratio within the projected slit seems to be 0.01. The mean value of the normalized spectral gradient is 12.69±0.06 for spectral range 3448–5260 Å.
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