Comparison of our identifications of entries in Indus in Houtman and Secunda Classis. In this projected image of the constellation Indus red stars and numbers refer to Houtman, blue to Secunda Classis and black to the Hipparcos Catalogue. The axes give the distances in right ascension and declination to the center of the constellation, roughly in degrees (for details of the projection used, see Sect. C).