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Rimae Triesnecker with a 90mm Refractor


StarSapling

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I had some good views of the Rimae Triesnecker rille system last night.  A very subtle spider web of rilles, especially noticable east of crater Triesnecker.

Some advice for observers using smaller apreture telescopes:  do not believe everything other people tell you about what your telescope can and cannot observe on the moon.  The virtual moon atlas states that the minimal apreture needed to observe Rimae Triesnecker is 300mm, but if the seeing is reasonable and the angle of illumination is right, I have no problem observing it with my 90mm f10 refractor.  As with all observing, it simply requires patience and a willingness to put the time in at the eyepiece.

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