Sketching:
For this sketch I used: black Strathmore 400 Artagain paper, white and black Conte’
pastel pencils and a blending stump. Contrast was slightly increased after scanning.
Telescope: 16 inch f/ 4.41 Dobsonian and 6 mm eyepiece 299X
Date: 07-10-2024, 03:00-04:15 UT
Temperature: 43° C (109° F)
Dust and haze in the air, light winds
Seeing: Antoniadi III, worsening as the Moon got closer to the horizon.
Colongitude: 316.7 °
Lunation: 4.21 days
Illumination: 17.1 %
Frank McCabe