Visibility IV / V
NGC4647 The SN2022hrs supernova was filmed on the first night of the April 2022 campaigns. Astronomer Koichi Itagaki discovered the supernova SN2022hrs in the Virgo Galaxy NGC4647 on April 16, 2022. NGC 4647 is 63 million light-years away. Nearby is the galaxy M60 (NGC 4649), the last image in the series was selected for measurement.
1Picture. Series 11 image. 11x120s Supernova measured, 12h43m34.35s + 11d34'36.6 "12.686mag Std Dev 7873.111 SNR214.923 FWHM3.620".
2Picture. In the picture, other objects, Asteroid (104957) 2000 JR49 19.560mag, motion is weakly visible. Pictured are galaxies M60 (NGC 4649) 10.3mag, NGC 4637 12.7mag, NGC 4638 12.1mag.
TYC 878-293-1 v.11.84mag stars used to calibrate brightness measurement.