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Mercury 15th August 2019

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About this observation
Observer
Chris Hooker
Time of observation
15/08/2019 - 09:35
Object
Mercury
Observing location
Didcot, Oxfordshire
Equipment
254mm Newtonian
TeleVue 3x Barlow
ZWO ASI120MM camera
Baader 610nm & IR-cut filters
Exposure
0.58 msec
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Mercury imaged under difficult conditions but relatively good seeing. A total of 20 video sequences was captured during breaks in fast-moving clouds, and a gusty breeze shaking the telescope resulted in a lot of planet-free frames. The seeing in the clear periods was not bad, and the proportion of usable frames was about 0.7% which is better than average. The final set of frames was chosen using a mixture of software and manual selection. Comparison of the final image with a blurred version of one based on Messenger data shows good agreement of many of the albedo features.

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