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# Differences with VizieR catalog J_A+A_530_A93 (Secunda and Tertia classis)
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- Numbering differences

  KNO 1006 \ are their K1005 due to star set differences in Tycho
  KNO 1097 /     to    K1096
  KNO 1098 : is  their K1096 alternative in altiter.dat
  KNO 1099 \ are their K1997
  KNO 1440 /     to    K1438 (including 3a classis)

  TID Sgr 17 : is  their Sgr 30
  TID Sgr 18 : is  their alternative version of Sgr 30
  TID Sgr 19 : is  their Sgr 31
  TID Sgr 20 \ are their Sgr 15
  TID Sgr 34 /     to    Sgr 29

- Data differences

  J/A+A/530/A93                     |Mine                              |Description
  ----+------+----------+--------+--+----+------+----------+--------+--+-------------------------
  K    cst N  LON        LAT      M |KNO  TID    LON         LAT     M |
  ----+------+----------+--------+--+----+------+----------+--------+--+-------------------------
  1024 Oph 50                     6 |1025 Oph 50                     4 |
  1036 Oph 62                     ne|1037 Oph 62                     - |mag. 9 should be 8
  1064 Tau 52  2                    |1065 Tau 52  1                    |documented emendation
                                    >1098 Sgr 18  8 25 40   -06 50   3 |as 1096 Sgr 30 in aliter
  1139 Eri 32  1                    |1141 Eri 32  0                    |documented emendation
  1140 Eri 33  1                    |1142 Eri 33  0                    |documented emendation
  ----+------+----------+--------+--+----+------+----------+--------+--+-------------------------
  1339 Ind  9                     ne|1341 Ind  9                     6 |mag. 9 should be 6
  1408 Dor  6                     ne|1410 Dor  6                     - |mag. 9 should be 8
  1433 Hyi 16                     ne|1435 Hyi 16                     - |mag. 9 should be 8
  ----+------+----------+--------+--+----+------+----------+--------+--+-------------------------

- Differences in the assignments of Ptolemy numbers

  The following list shows the differences between their assignments of Ptolemy
  numbers (column PNO*) and mine (column PNO) along with a short comment.

  KNO  TID      PNO  PNO* Comment
  ----+------+-+----+----+-----------------------------------------------------
  1007 Boo 29 =   97   91 typo?
  1010 Her 31 =  148    0 but positions match
  1051 Ser 26 =  274    0 but positions match w/ Ptolemy (b)
  1057 Tau 44 =  409    0 interpretation of "advance side" of the Pleiades
  1062 Tau 49 x       409 interpretation of "advance side" of the Pleiades
  1098 Sgr 18 =  570      not in V&V
  1154 CMa 19 =  836    0 but positions match
  1192 Nav 39 =  879    0 assuming gross position error in Kepler
  1193 Nav 40 =  880    0 assuming gross position error in Kepler
  1194 Nav 41 =  881    0 assuming gross position error in Kepler
  1230 Cen 19 =  953  954 but positions match
  1231 Cen 20 =  954    0 but positions match w/ Ptolemy (m)
  1234 Cen 23 =  957  958 but positions match
  1235 Cen 24 =  958  959 but positions match w/ Ptolemy (m)
  1236 Cen 25 =  959    0 assuming latitude error in Kepler
  1246 Cen 35 =  969  957 assuming gross longitude error in Kepler
  1260 Lup 12 =  983    0 but positions match w/ Ptolemy (b)
  ----+------+-+----+----+-----------------------------------------------------
