29 4-minute lights plus calibration frames were stacked using ImagesPlus; other post-processing used Siril, Photoshop CS2 plus Astronomy Tools plugin, PhotoScape X, and MS Photo.

There is a new supernova, designated SN2022hrs, which is located in the intermediate spiral galaxy NGC 4647 (close to Messier 60) about 63 million light years from Earth. The type 1a supernova was discovered on 16 April 2022 by Koichi Itagaki. SN2022hrs is nearly as bright as the core of NGC 4647! Compare the main image with the inset image, which was captured 2 years ago.