Jump to content

  •  



Copernicus


Copernicus

Sketching: For this sketch I used: black Strathmore 400 Artagain paper, 9”x 12”, white and black Conte’pastel pencils and a blending stump. Brightness was slightly decreased and contrast increased after scanning using Microsoft Office Picture Manager. Telescope: 10 inch f/5.7 Dobsonian and 6mm eyepiece 241x Date: 2-16-2008 8:45 - 10:50 UT (actual sketching time was 60min.) Temperature: -10°C (14°F) clear, calm Seeing: Antoniadi III Co longitude: 24° Lunation: 9 days Illumination: 71.9 % Phase: 64° Frank McCabe






    Cloudy Nights LLC
    Cloudy Nights Sponsor: Astronomics