C/2009 F6 Yi-SWAN

Large Version
2009 April 11 20.20 UT, 8" f=2.8 ASA Astrograph, 1x300 sec. red, 1x500 Halpha + 1x300 sec. green, 1x300 sec. blue, Sigma 6303 CCD
© 2009 Michael Jäger