Keck Observing Calendars

1998

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1999

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2000

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2001

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2002

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2003

12 Degree Twilight:: Jan Feb Mar April May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2004

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2005

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2006

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2007

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2008

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2009

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2010

12 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

18 Degree Twilight:: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec