Object Name: Rupes Recta on the Moon
Object Type: Moon crater
Location: Chiba Japan
Media Black graphite pencil on a white paper. Contrast adjusted with PC.
Equipments:: Telescope: Televue 85, Eyepiece: Pentax XW-10 with Power mate 2.5x
After outlining major features using solid lines, dotted lines and numbers(1-9) are used to express gradation in brightness(right). The numbers are replaced with “real” darkness after the lines are copied on another paper (left).