Practicing with Ptolemaeus, Alphonsus and Arzachel
Object Name: Chain of lunar craters Ptolemaeus, Alphonsus & Arzachel. Media: Graphite pencil and white paper. Explanation: It is not always possible visual observation. Do not despair. It is a good time for to improve drawing techniques practicing, a “not observational” astronomical drawing its a good school for a beginners like me. This sketch, not … Continue reading Practicing with Ptolemaeus, Alphonsus and Arzachel