Visibility III / V
Comet C / 2020 R4 (ATLAS) was detected with the Härkämäki Observatory's C14 "telescope and SBIG ST-8XME camera. The exposure time was 80 seconds and a total of 10 images were taken. The filter was a photometric R-filter. the image is 18'x27 'and the sum of ten images is 10'x15'.