Satellites of Pluto: Charon (P1), Other 
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Observ.     Number   Type      Site of                                          Download        Ident.  Date
            of posi- of       observation         Reference                      files          of     of
period      tions    obser-                                                     Content         files   entry
            P1 Other vation                                                             Data *         Y  M  D
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1992-1993   60       CCD  abs  HST                Tholen D.J., Buie M.W. (1997) Content Data - pm0001 05/09/24
1998-1998    5       CCD  abs  HST                Olkin et al. (2003)           Content Data - pm0002 05/09/24
2005-2006         8  CCD  rel  HST                IAUC 8625, 8676, 8686         Content Data - pm0003 06/03/09
2002-2003   12   24  CCD  rel  HST                Buie et al (2006)             Content Data - pm0004 06/03/14
2006-2006    1    1  CCD  rel  Cerro Paranal      CBET 610. 2006 August 31      Content Data - pm0005 06/09/13
2006-2006    0    4  CCD  rel  Magellan Observ.   CBET 602. 2006 August 24      Content Data - pm0006 06/10/06
2006-2011    0    7  CCD  rel  HST                CBET 2769. 2011 July 20       Content Data - pm0007 11/08/19
1992-2010  899       CCD  rel  HST                Buie, Tholen, Grundy (2012)   Content Data - pm0008 20/05/16
1965-1979   24    0  Phot rel  4 sites            Harrington, Christy, (1980)   Content Data - pm0009 20/06/23
2006-2012  759 2014  CCD  abs  HST                Brozovic et al., (2015)       Content Data - pm0010 20/06/29
2006-2012  108   12  CCD  rel  HST                Brozovic et al., (2015)       Content Data - pm0011 20/06/29
1980-1984   17    0  CCD  rel  4 sites            6 references                  Content Data - pm0012 20/07/07
1984-1985   56    0  CCD  rel  568 -  Mauna Kea   Beletic et al. (1989)         Content Data - pm0013 20/07/11
1991-1993   28    0  CCD  rel  HST                Null, Owen (1993, 1996)       Content Data - pm0014 20/08/10
2005-2005    2    0  CCD  rel  HST                Weaver et al. (2006)          Content Data - pm0015 20/08/13
2008-2008    1    0  CCD  rel  181                Sicardy, B. et al. (2011)     Content Data - pm0016 20/09/01
2012-2012    1    0  CCD  rel  568 - Mauna Kea    Howell  et al. (2012)         Content Data - pm0017 20/09/01
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Comments:
1. Observations in pm0001 were later reprocessed and included into the set of observations given in pm0008.
2. Observations of Charon in pm0004 were later reprocessed and included into the set of observations 
   given in pm0008.