Collinder catalogue

Errors

There are some errors in Collinder's list or references to it. For example:

• Cr 21, 27, 57, 396, 399, and 426 are asterisms.
• Cr 32, 33, and 34 all refer to parts of the much larger IC 1848.
• There is some doubt as to whether or not Cr 84, 182, 221, 254, 265, 269, 283, 294, 336, 387, 404, 425, 456, and 458 are open clusters.
• The positions of Cr 109 and 185 are inaccurate.
• Cr 202 is actually the central condensation of the much larger Cr 199.
• Cr 220 was believed by Collinder to be NGC 3247 when in reality he had discovered a new open cluster.
• Cr 234 was applied to the southern section of the much larger Cr 233.
• Cr 240 is actually the central condensation of the much larger Cr 239.
• Cr 267, 328, 330, 346, 364, 366, 368, 381, 395, 409, and 414 are globular clusters.
• Cr 334 and 335 are duplicate listings of the same object.
• The original alias given for Cr 339 is the galaxy NGC 6393. The correct alias for Cr 339 is the open cluster NGC 6396.
• The original alias given for Cr 371 is of the nebula which surrounds an open cluster he discovered. He apparently did not know he was first to make the distinction.
• Cr 374 is embedded within the much larger Messier 24.
• Collinder erroneously believed that Messier 11 was a globular cluster.
• Collinder’s description of Messier 73 is actually for Messier 72, a globular cluster, and not the object he intended for, Cr. 426.