NGC3521 2024AECX Supernova

NGC3521 is a flocculent intermediate spiral galaxy in the constellation Leo. Recently a new supernova was discovered by the ATLAS system. This system was developed as an Asteroid impact early warning system. But it also processes data to search for stationary transients. This system discovered the new supernova on Dec 16, 2024. The SN is located just above the central core in the image. Data from 3 recent One-click observations.