NGC 198 is a spiral galaxy located in the constellation Pisces. It was discovered on December 25, 1790 by William Herschel.
One supernova has been observed in NGC 198: SN2021adxd (Type II-P, mag. 19.8) was discovered by the Zwicky Transient Facility on 6 November 2021.
NGC 198 is part of a galaxy group known as LGG 9, together with NGC 182, NGC 194 and NGC 200.
See also Spiral galaxy List of NGC objects (1–1000) Pisces (constellation)
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SEDS