Dubiago's Comet, formally known as C/1921 H1 by its modern nomenclature, is a faint Halley-type comet that completes an orbit around the Sun once every 61–79 years. It was predicted to return in 1982, but it was not observed. It will next return to the inner Solar System by 2041.
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This article is an automated import of the Wikipedia article "C/1921 H1 (Dubiago)", available at https://en.wikipedia.org/wiki/C%2F1921_H1_(Dubiago) . Text is licensed under CC BY-SA 4.0.