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Log 2001-2005

  • Occultation of 2UCAC 26257135 by Charon on 2005 July 11. The occultation was successful observed by several observatories in South America. See Bruno Sicardy's website for details.
  • Occultations by Titan on 2003 Nov 14: for the first occultation (of TYC1343-1615-1 @ ~00:10UT) there was a observation campaign and expedition organized by the Observatory Paris-Meudon and the IOTA to Namibia, South Africa and La Reunion. Not all, but many of the stations gathered data. The analysis is running (see also Bruno Sicardy's website for details). The second occultation (of TYC1343-1865-1 @ ~07:00UT) was successfully observed by observatories in Spain, Canary Islands, US and Venezuela.

  • Occultation of TYC 5806-696-1 by Titania was successful video observed in Mexico (Observatorio de la Universidad Autonoma de Nuevo Leon) and Texas (George Observatory) on 2003 Aug 01. The D and R were reported as instantaneous [IOTAoccultations maillist]

  • Occultation of TYC 1396-00214 (R=11.0m) by Jupiter and his rings on 2003 April 06/07:
    Trebur Observatory (Germany) was not able to observe the egress of the star using a 1.2-m telescope + Mintron video camera with CH4 filter because of the glare of the Jupiter disc (visual magnitude difference between the star and Jupiter was about 14m). Around 00 UT the star could be spotted very marginally on the video monitor but not continously. More may be revealed after digitizing the tape and doing some image processing on the data (Mike Kretlow, Manfred Liedtke, Torsten Schaefer).

    Pic du Midi Observatory (France) was unable to observe the emersion of the star using a 1.0-m telescope + ccd camera with CH4 filter. But they were able to spot the star marginally during the ring crossing in the I-band (Francois Colas, Jean Lecacheux, Bruno Sicardy, Frederic Vachier).

    Hoher List Observatory (Germany) failed to spot the faint star using a 1.0-m telescope + ccd camera without CH4 filter (Alfons Gabel, Nicola Bennert, Christian Leipski and Volker Knierim).
Max Valier Observatory (Italy) failed to spot the faint star using a 0.8-m telescope + IOC ccd camera with and without CH4 filter (Wolfgang Beisker and the observatory team).
  • Selent Observatory (Germany) failed to spot the faint star using a 0.75-m telescope + IOC ccd camera with and without CH4 filter. Visual efforts (270x and 420x) failed as well (Raphael Benner and Helmut Denzau).

  • Occultation of P131.1 by Pluto on 2002 August 21: the event was successful observed at the Canada-France-Hawaii 3.55-m telescope (CFHT) in Hawaii. A paper about the P126A/B and P131.1 event has been published in Nature by Bruno Sicardy et al.
  • Occultation of P126A/B by Pluto on 2002 July 20: the event was successful observed by European (see Bruno Sicardy's website for details) and US-american expeditions.
  • Occultation of HIP 106829 by Titania on 2001 Sep 08: the event was successful observed by several european expeditions (see also Bruno Sicardy's website for details).

 

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