Hα synoptic charts
1979 | |
1980 | download |
1981 | download |
1982 | download |
1983 | download |
1984 | download |
1985 | download |
1986 | download |
1987 | download |
1988 | download |
1989 | download |
1990 | download |
1991 | download |
1992 | download |
1993 | download |
1994 | download |
1995 | download |
1996 | download |
1997 | download |
1998 | download |
1999 | download |
2000 | download |
2001 | download |
2002 | download |
2003 | download |
2004 | download |
2005 | download |
2006 | download |
2007 | download |
2008 | download |
2009 | download |
2010 | download |
2011 | download |
2012 | download |
2013 | download |
2014 | download |
2015 | download |
2016 | download |