Philipp Romanov, an amateur astronomer from Primorye, has discovered supernova SN 2025umq, located more than 2 billion light-years away from Earth. The object was discovered in images of the Pisces constellation, where no such celestial bodies had been previously recorded.
After the initial discovery on August 17, Romanov confirmed the existence of the object through the Liverpool Telescope and conducted additional photometric observations on August 23–24.
Spectral analysis on August 20 allowed the star to be classified as a Type Ia supernova with a redshift of 0.159. Information about the discovery was registered in the Transient Name Server and published in a scientific article.
The amateur astronomer said that he had previously co-authored the discovery of two supernovae under the designations SN 2022bsi and SN 2022jhn.
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