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    Habe ich ein Foto von einem der Jupitermonde gemacht?

    Nur mit einem iPhone aufgenommen. 10 Sekunden Langzeitbelichtung und kein Teleskop. Ist das ein entfernter Stern oder einer der Jupitermonde? Dies wurde am 17. Januar um 2322 CST im Süden der USA aufgenommen.

    https://www.reddit.com/gallery/1qgqqqd

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    3 Kommentare

    2. benevolentmalefactor on

      In the second photo you might have all 4 (of the big ones). 

    3. crazyike on

      Probably not. I assume you’re talking about the dot extremely close to Jupiter. That’s probably Delta Geminorum („Wasat“) which is right next to Jupiter in the sky right now (not literally, you know what I mean).

      The Galilean moons are nearly vertical from our vantage point at that time of night right now. The best bet to see one is Ganymede right now, which is currently the furthest away from the brightness of Jupiter from our vantage point (again, not literally), It would be *below* Jupiter in this picture, not to the right.

      To put it into perspective of how much closer the moons are (relative to our vantage point), Wasat is just under five times further away from Jupiter in the sky as Ganymede is right now. So that’s how much resolution you’d need to pick Ganymede out from the glare of Jupiter.

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