The Day of the Trifid (and Mars!)

Another superficially nice night, but the Mars seeing was pretty poor, and I got clouded out quite rapidly.

Before looking at Mars I had a go at M20, the Trifid nebula, in Sagittarius. This was pretty low at about 11 degrees elevation for a dim DSO, necessitating a fair amount of processing to get anything reasonable.

Mars was like a wobbly jelly. This time I tried a X3 barlow. The ADC is clearly doing its stuff, but it won’t compensate for poor seeing! The Hellas basin was obvious visually – easy to mistake for the S. polar cap!- and Syrtis Major was just about in view.

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