Solar Prominences on September 13th, 2009
Sketch and Details by Erika Rix
2009 Sept 13, 1531UT – 1631UT
Solar prominences in h-alpha
PCW Memorial Observatory, Zanesville, Ohio USA
DS 60mm Maxscope, LXD75, 21-7mm Zhumell
Sketch created scopeside with black Canford paper, white Conte’ crayon
and pencil, white Prang watercolor pencil.
Temp: 24.4° -25.8°C, Humidity 74%-61%
S: Wilson 4 dropping to 1.5, T: below average
Clear to lightly scattered, breeze <7mph SE Alt: 45.8-51.8, Az: 138.3-159.2 Plenty of smaller prominences, concentrated on recordings of the four most prominent areas. Very minimal surface details with respect to filaments, ARs and plage. Chromospheric network was stunning.