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Community photo entitled  by Radu Anghel on 10/12/2019 at Bacau, Romania

On 10/12/2019 07:00 pm by Radu Anghel| Bacau, Romania

Jupiter and the Galilean Moons.
The names we use today were chosen by german astronomer Simon Marius, but in the beginning were known as ”Cosmica Sidera” (Cosimo's stars) and ”Medicea Sidera” (Medician stars), honouring all four Medici brothers (Cosimo, Francesco, Carlo and Lorenzo).

4" refractor f/9 + Canon 750D

Crop.