H-alpha Sun – 2013.05.13.
Also known as: Sun H-alpha Date/time: 2013.05.03 09:50 – 11:10UT Equipment: mod. 70/700 Coronado PST Seeing: 5/10 Transparency: 1-4/5 Temperature: 28°C Humidity: – Wind: low Location: Canis Maior Solar Observatory, Nagykanizsa , Hungary N46° 27′ 13.81″ E16° 59′ 05.57″ Observer: Bognár Tamás Digital sketch made with GIMP 2.8 + Wacom …