The first image of a new gaseous component in a planetary nebula.

False color image of the planetary nebula NGC 6778. In blue, the emission associated with weak lines of ion O++ recombination, taken with the OSIRIS tunable filter blue instrument in the GTC. In green, emission of the same ion in the excited lines by coll
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  • Jorge García Rojas: jogarcia_ext [at] iac.es