Last updated: July-7-99

General Catalogues of Non-Stellar Objects

ESO = The ESO/Uppsala Survey of the ESO(B) Atlas by Lauberts [27]

GC = General Catalogue by Herschel 1864 [17]

IC = Index Catalogue of Dreyer [12]

M = Messier's (1784) catalogue of nebular objects [34] , modern version [16]

MOL = Master List of Non-Stellar Astronomical Objects by Dixon and Sonneborn [10]

NGC = New General Catalogue by Dreyer [11]

RNGC = Revised New General Catalogue by Sulentic and Tifft [44]

Of 110 entries in Messier's catalogue, the 39 objects listed below are now known to be external galaxies (see [16] for a modern and accessible compilation). A similarly large proportion of the entries of GC, NGC, and IC are also extragalactic as evidenced by the early examination of the GC [222], and subsequent modern re-examinations RNGC [44]. This latter study is based upon an inspection of the objects as they appear on the POSS-photographs [53] and so descriptions are limited to northern objects.

Only as the true nature of the various classes of ``nebulae'' became known in the early decades of the twentieth century, did external galaxies lay claim to being catalogued in their own right. Nevertheless, in the tradition of the NGC, the ``Quick Blue'' European Southern Observatory (ESO) Sky Survey was made available with extensive listing and descriptions of all non-stellar southern objects [18, 27] so as to make interesting new Galactic and extragalactic objects immediately available to the large reflectors being completed in the southern hemisphere.

Collectively, the compilations cited above contain most of the apparently brightest galaxies in the northern and southern hemispheres in their files. Prior to this the most comprehensive compilation of non-stellar objects drawn from the published literature, and merged purely by a sequential positional ordering, is the Master List of Non-Stellar Astronomical Objects by Dixon and Sonneborn [10] which contains a listing of over 200,000 entries. Recently the NGC/IC catalogues have been been made more accessible in a corrected form, updated to the equinox 2000.0 [43]

Extragalactic Objects in Messier's Lists
MessierDreyerRA(2000)DEC(2000)
M31NGC 022400 42 44+41 16 09
M32NGC 022100 42 42+40 51 52
M33NGC 059801 33 51+30 39 36
M49NGC 447212 29 46+07 59 48
M51NGC 5194/513 29 56+47 14 04
M58NGC 457912 37 44+11 49 11
M59NGC 462112 42 02+11 38 49
M60NGC 464912 43 40+11 32 58
M61NGC 430312 21 55+04 28 25
M63NGC 505513 15 51+42 01 45
M64NGC 482612 56 44+21 41 05
M65NGC 362311 18 55+13 05 35
M66NGC 362711 20 15+12 59 30
M74NGC 062801 36 42+15 47 12
M77NGC 106802 42 40-00 00 48
M81NGC 303109 55 33+69 03 55
M82NGC 303409 55 54+69 40 57
M83NGC 523613 37 00-29 52 04
M84NGC 437412 25 04+12 53 14
M85NGC 438212 25 24+18 11 27
M86NGC 440612 26 12+12 56 47
M87NGC 448612 30 49+12 23 28
M88NGC 450112 31 59+14 25 17
M89NGC 455212 35 40+12 33 25
M90NGC 456912 36 50+13 09 48
M91NGC 454812 35 26+14 29 49
M94NGC 473612 50 53+41 07 09
M95NGC 335110 43 58+11 42 15
M96NGC 336810 46 45+11 49 16
M98NGC 419212 13 48+14 54 01
M99NGC 425412 18 49+14 25 07
M100NGC 432112 22 55+15 49 19
M101NGC 545714 03 13+54 21 02
M104NGC 459412 39 59-11 37 28
M105NGC 337910 47 50+12 34 57
M106NGC 425812 18 58+47 18 12
M108NGC 355611 11 32+55 40 15
M109NGC 399211 57 36+53 22 31
M110NGC 020500 40 22+41 41 16


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