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Sketching Lunar Craters Ptolemaeus, Alphonsus & Arzachel - Timelapse / Instructional Video

This video has an instructional introduction for sketching lunar craters, followed by a timelapse of the sketching taking place. The blog that accompanies this video can be found here: marysastronomyblogs.blogspot.com/

 

The photo I worked from here was taken with the Liverpool Telescope, which is a 2 metre robotic telescope in La Palma. It was an observation booked by somebody else, but all of the images in the National School's Observatory taken with this telescope are available to use for education purposes. The observation code for this observation was "15747B000" I downloaded and processed the image first, then used the process image as a reference for my sketch. I have sketched this region up close before but only around a First Quarter Moon. This image was taken near to Last Quarter so the crater shadows are coming from the opposite direction.

 

I used black paper and black and white pastel pencils. I blended using cotton wool balls and cotton buds.

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Uploaded on January 26, 2019