This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionTheGreatConjunction2020.png
English: Taken with a 6" Dobsonian reflector telescope and a SV105 CMOS sensor on December 21st, Image was stacked and processed using PIPP, Registax 6, Autostakkert 3! and Adobe Photoshop.
Galilean moons Ganymede and Io are left of Jupiter, and Europa right of Jupiter. Saturn's moon Titan is located top right of Saturn.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.