Eclipses

Expeditions to observe eclipses of the sun (total unless otherwise specified):

•   1959 over Massachusetts

•   1963 Quebec, Canada

•   1970 Oaxaca, Mexico

•   1972 P.E.I., Canada

•   1973 Kenya

•   1973 Colombia (annular)

•   1974 Australia

•   1977 Pacific Ocean

•   1979 Manitoba, Canada

•   1980 India

•   1981 Pacific near Hawaii

•   1983 Java, Indonesia

•   1984 U.S. (annular)

•   1984 Papua New Guinea

•   1988 Sumatra, Indonesia

•   1989 Hawaii (partial)

•   1990 Finland

•   1991 Hawaii

•   1992 California, U.S. (annular)

•   1992 Atlantic Ocean

•   1994 New Hampshire, U.S. (annular)

•   1994 Putre, Chile

•   1995 India

•   1996 Israel (partial)

•   1997 Mongolia

•   1998 Aruba

•   1998 Malaysia (annular)

•   1999 Australia (annular)

•   1999 Romania

•   2000 Seattle (partial)

•   2000 Los Angeles (partial)

•   2001 Zambia

•   2001 Costa Rica (annular)

•   2002 Puerto Vallarta, Mexico (annular)

•   2002 Ceduna, Australia

•   2003 Iceland (annular)

•   2003 Antarctica

•   2004 Cape Town (partial)

•   2004 Hawaii (partial)

•   2005 Pacific west of the Galápagos

•   2005 Valencia, Spain (annular)

•   2006 Kastellorizo, Greece

•   2006 (French Guiana, annular)

•   2007 (airplane near Hong Kong, partial)

•   2007 (airplane near Buenos Aires, partial)

•   2008 (Nelson, New Zealand, partial)

•   2008 (Akademgorodok, Russia)

•   2009 (Anyer, Indonesia, annular)

•   2009 (Tianhuanpingm, China)

•   2010 (KanyaKumari, India, annular)

•   2010 (Easter Island)

•   2011 (Israel, partial)

•   2011 (Iceland, partial)

•   2011 (New Zealand, partial)

•   2012 (US, annular)

•   2012 (Australia, total)

•   2013 (Australia, annular)

•   2013 (Gabon, total)

58 eclipses: 31 total; 15 annular; 12 partial.

Transit of Venus

•   2004 Thessaloniki, Greece

•   2006 Haleakala. Maui, Hawaii

Optical stellar, comet, and planetary observations

•   Mount Wilson Observatory (2.5-m telescope), 1970-1972

•   Palomar Observatory (5-m telescope), 1972

•   Kitt Peak National Observatory (McMath telescope), 1977

•   Mauna Kea, 3m IRTF (1981)

•   Bosscha Obs., Java, 1983

•   Mauna Kea, 2.2-m with CCD, 1984, 1985, 3.6-m CFHT, Canada-France-Hawaii Telescope, 1985

•   Kitt Peak National Observatory, coudé feed, May 1992, January 1993, January 1994, May 1994

•   1997: occultations of stars by Triton, expeditions to Hawaii and Australia

•   1999: Kitt Peak observations of iota Her and Orion Nebula for deuterium

•   2002 Mauna Kea Observatory (2.2-m University of Hawaii telescope), Pluto occultation

•   Transit of Venus, Greece, 2004

•   Pico dos Dias Observatory, Brazil, 2005: Charon occultation

•   Cerro Calan Observatory, Chile 2010: Pluto occultation

Optical solar observations

•   Sacramento Peak Observatory, 1965

•   Big Bear Solar Observatory, 1970-72

•   Sacramento Peak Observatory, 1971

•   Kitt Peak National Observatory, 1972

•   Haleakala Observatory, 1977, 1980-81

•   Swedish Solar Telescope, La Palma, 2004, 2005, 2006

Radio observations

•   Sagamore Hill Radio Observatory (150-foot and solar telescopes), 1968-69

•   National Radio Astronomy Observatory (300-foot), 1969

•   Owens Valley Radio Observatory (130-foot), 1970-73

•   Parkes (Australia) (210-foot), 1974

•   Max Planck Institute for Radio Astronomy, Bonn (Germany) (100-meter), 1976

•   VLA, 1987

•   Berkeley-Illinois-Maryland Array, 1990-91

•   National Radio Astronomy Observatory (12-m on Kitt Peak), 1993

•   National Radio Astronomy Observatory (12-m on Kitt Peak), 1993, 2000;

•   Nobeyama Radio Observatory, Japan, 2001

•   Giant Metre-Wave Radio Telescope, Pune, India, 2004, 2010

plus various remote observing at Kitt Peak 12-m, Arecibo

Space observations

•   NASA Guest Investigator on OSO-8, involvement began 1972, satellite launched 1975

•   observed chromospheres and coronas of late-type stars with International Ultraviolet Explorer (IUE), 1978

•   collaborated with Extreme-ultraviolet Imaging Telescope (EIT) and Large Angle Spectrographic Coronagraph (LASCO) teams, Solar and Heliospheric Observatory (SOHO), 1998, 1999, and 2001, 2006, 2008, 2009, 2010

•   NASA Guest Investigator on Transition Region and Coronal Explorer (TRACE), 2004-2007

•   collaborated with NASA's Solar Dynamics Observatory, 2010