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2

There is no conventional format, really. For publications purposes if one uses data from a telescope or image or code created by someone else or similar, the source usually requests being cited or acknowledged in a form specific to their own taste. Some examples include what you quoted or “This paper makes use of the following ALMA data: ADS/JAO.ALMA#******. ...


7

This web page -- "Here is why the Hubble Space Telescope only looked a few times at Venus (and why it looked at the Moon instead)" -- seems like a pretty good answer to your main question (note: "MAST" = Mukulski Archive for Space Telescopes): There are only a few times the Hubble Space Telescope did look to Venus according to MAST. ...


3

Consider an extremely transparent lens. If you photograph the lens, what the camera really picks up where the lens covers is the distorted image of what is behind the lens. Would you say that is still a photograph of the lens? I would say yes. If you take a picture of an object coated with Vantablack, the amount of light entering the camera from that object ...


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