The double cluster in Perseus comprises the two open cluster NGC 869 und NGC 884.
Image from January 17, 2021, end of exposure ca. 22:14 CET, Az. 26°32′, Az. 81°06′. Vaonis Stellina, internally processed JPEG, 13 images, total exposure time 104 seconds, device temperature 2.3°C, 56% relative humidity. Green space, Berlin, Bortle class 7-8, Mondphase 16%. The sky chart shows the double cluster with the approximate image extent covered by Stellina’s sensor.