Feb-Mar 2003

Notizen: M 1 This is a composite of Halpha and OIII images where I used Ha+OIII for luminance, Ha for red and OIII for green and blue. Taken from the middle of Berlin with an 8" LX200 at f/6.3, MX716 camera, video autoguider, Astronomik Halpha and OIII filters (OIII with IR-blocking filter), Halpha for 10x10 minutes, OIII for 11x10 minutes.