The 2004 transit of Venus, image credit:  
Jay M. Pasachoff, David Butts, Joseph Gangestad, and Owen Westbrook  (Williams College Transit of Venus Team)   with John Seiradakis and George Asimellis (Aristotelian University of Thessaloniki, Greece);   expedition run with Bryce Babcock (Williams College) and Glenn Schneider (University of Arizona)   
       
      
  
		 Published Papers 
		  Tanga, P., T. Widemann, B. Sicardy, J. Pasachoff, J. Arnaud, L. Comolli, A. Rondi, S. Rondi, and P. Suetterlin, 2012, "Sunlight refraction in the mesosphere of Venus during the transit on June 8th, 2004," Icarus, March 
	      http://dx.doi.org/10.1016/j.icarus.2011.12.004                  	      http://arxiv.org/abs/1112.3136 
Pasachoff, Jay M., Glenn Schneider, and Thomas Widemann, 2011, "High-resolution satellite imaging of the 2004 transit of Venus and asymmetries in the Cytherean atmosphere," Astronomical Journal, Astronomical Journal: 141, 112. 
	  Schneider, Glenn, Jay M. Pasachoff, and Richard C. Willson, 2006, "The Effect of the Transit of Venus on ACRIM's Total Solar Irradiance Measurements: Implications for Transit Studies of Extrasolar Planets," Astrophys. J. 641, 565-571. http://iopscience.iop.org/0004-637X/641/1/565 
		  Pasachoff, Jay M., Glenn Schneider, and Leon Golub, 2005, "The black drop effect explained," IAU Colloquium 196 on Transits of Venus: New Views of the Solar System and Galaxy  (Cambridge Univ. Press). http://tinyurl.com/IAU196-ToV-PasSchGo 
		  Schneider, Glenn, Jay M. Pasachoff, and Leon Golub 2004, "Space Observations of the 15 November 1999 Transit of Mercury and the Black Drop Effect for the 2004 Transit of Venus," Icarus 168, 249-256. weblink 
		  Glenn Schneider, Jay M. Pasachoff, and Leon Golub, 2003, "Space Studies of the Black-Drop Effect at a Mercury Transit," Highlights of Astronomy 13, 70-72. 
		  
          Links to our observations 
          2004 TRACE transit observations 
          full set of TRACE movies of the transit of Venus and of the orbits of TRACE and ACRIMsat 
          Links 
          TRACE stills and movies directly from Lockheed Martin Solar Astrophysics Lab (LMSAL) 
          Observations from the Swedish Solar Telescope, La Palma 
          Images from the GONG project 
      
      European Southern Observatory's measurement of the Astronomical Unit 
http://www.eso.org/public//outreach/eduoff/vt-2004/Background/Infol2/EIS-F1_pf.html 
French National site for the 2004 and 2012 transits of Venus (in English) 
Overview (clicking downloads a Word document) 
Historical information and background 
Results of the 2004 observations 
Calculating the astronomical unit 
Predictions for 2012 (in French) 
Williams College Eclipse Expedition Image Galleries  
		
 
      
       
	  Galleries of photos 
		http://science.nasa.gov/spaceweather/venustransit/gallery_08jun04.htm 
		http://www1.nasa.gov/multimedia/imagegallery/image_feature_184.html 
		http://www1.nasa.gov/vision/universe/watchtheskies/venus_transit.html 
		http://vt-2004.kva.astro.su.se/ 
		From HM Nautical Almanac Office, Rutherford Appleton Laboratory, U.K. 
		European Southern Observatory's gallery and the determination of the Astronomical Unit 
		
	  
	  
  
	  Images on Astronomy Picture of the Day 
		http://antwrp.gsfc.nasa.gov/apod/ap040609.html 
		http://antwrp.gsfc.nasa.gov/apod/ap040610.html 
		http://antwrp.gsfc.nasa.gov/apod/ap040611.html 
		http://antwrp.gsfc.nasa.gov/apod/ap040615.html 
		http://antwrp.gsfc.nasa.gov/apod/ap040623.html 
        http://antwrp.gsfc.nasa.gov/apod/ap040717.html 
         
         
      © Jay Pasachoff, Williams College Transit of Venus expedition team, and 
      WIT 2004  
       
		
      
        The Williams College Team  
        in Greece:
         Jay M. Pasachoff 
          Bryce A. Babcock 
          David Butts ‘06 
          Joe Gangestad ‘06 
          Owen Westbrook ’06 
         Alan Cordova '06 
          Kayla Gaydosh ’05 
		  Rob Wittenmyer ’98 
         In Williamstown: 
        Steven Souza 
          
        all work in collaboration with: 
          Glenn Schneider, University of Arizona 
		  in Greece in collaboration with: 
		  John Seiradakis, Aristotelian University of  Thessaloniki 
		  
		  The expedition was sponsored by a grant from the Committee for Research and Exploration of the National Geographic Society. We also thank Sigma Xi, the Scientific Research Society, for a student support grant. 
		  We also thank WIT 2004, Sarah Croft '04, and Terry-Ann Suer '05 for their assistance.  
		   
		 
		Newspaper Articles 
		Science magazine, 5/15/04 
		Globe and Mail, Toronto, 5/16/04  
		Baltimore Sun, 5/17/04  
		The New York Times, 5/18/04  
		The Chronicle Section: Research & Publishing  
	Volume 50, Issue 36, Page A16  
	The Economist, 5/27/04   
		Boston Globe, 6/01/04  pdf or html 
	Associated Press article, 6/08/04 
		
		
		Links 
		  European Southern Observatory's report including list of links 
		  Daniel Fischer's list of links 
		  
		  Smithsonian Institution Lecture series in Washington
Presented in conjunction with the Smithsonian Institution Libraries exhibition
"Chasing Venus: Observing the Transits of Venus, 1631-2004"; Speakers: Wilbur Applebaum, Richard Fisher, Steven Dick, Jay Pasachoff, David DeVorkin; arranged by Ron Brashear          
		  Chuck Bueter's Site
		   
		     
     Double transit of the International Space Station and Venus 
	 Tomáš Maruška of Slovakia managed to image the ISS crossing the Sun while Venus was also in transit 
	   
	 Glenn Schneider did some processing of Tomáš Maruška's image 
	   
	 Airplanes and the transit of Venus 
      From James Dire, US Coast Guard Academy  dire@dcseq.uscga.edu  
	    
	  airplane and transit; Quicktime by Dr. James R. Dire, U.S. Coast Guard Academy
 
  
      Contact  
      
      Williams College--Hopkins Observatory 
        33 Lab Campus Drive 
        Williamstown, MA 01267 
        (413) 597-2105; fax (413) 597-3200      |