Crew Dragon Trunk Telescope Image
Taken by Ralf Vandebergh on May 9, 2020 @
The Netherlands
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
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Details:
In March I did some observing sessions on the SpaceX Dragon Trunk. It turned out to be an interesting object in terms of illumination conditions and a less interesting object for detail. First, during the evening passes, it wasn't actually visible in the approach phase from the west and appeared suddenly after culmination when it caught sunlight. I've never seen such a dramatic difference between the different phases in the pass and this behavior may be explained by the open structure of the Trunk. In the telescope, the object is a very bright compact disk, almost like a small planet. The albedo seems incredibly high, even when it is not an extremely bright object for the naked eye. I needed 3 observing runs with decreasing gain settings to get a bit of an image that isn't too much overexposed and even the last session was actually a bit too overexposed! Images taken with a 10 inch telescope and ALccd 5L-11 mono CMOS camera in secondary focus while fully manually tracking.
Photographer's website:
https://http://www.ralfvandebergh-astrophotography.simpsite.nl/home
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