Ariadaeus Rille Shortly After Sunup

Sketching and Equipment:
For this sketch, I used black Strathmore 400 Artagain paper 8” x 12”, white and
black Conte’ pastel pencils and blending stumps.
Telescope: 16 inch f/4.4 Dobsonian and 13 mm eyepiece (138 x)
Date: 04-02-2017, 20:30 – 21:50 local time Mesa, Az.
Temperature: 21° C (68° F)
Clear, calm
Seeing: Above Average - Antoniadi II
Transparency: 4/5
Colongitude: 345.4 °
Lunation: 5.8 days
Illumination: 40.5 %


Labelled Features:
A Ariadaeus rille
B Arago crater
C Ariadaeus crater
D Silberschlag crater
E Cayley crater
F d’Arrest crater
G Dionysius crater
H Ritter crater
I Sabine crater
J Manners crater
K dome alpha
L dome beta
M Theon Senior crater
Frank McCabe