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The objects NGC and IC were not found again from catalog NGC / IC

Catalog NGC (New General Catalogue) includes 7840 galaxies, nebulae and other objects.
John Ludwig Emil Dreyer NGC original catalog was compiled by John Ludwig Emil Dreyer (Johan Ludvig Emil Dreyer) in 1880, based largely on observations by William Herschel. His subsequent expansion, the index directories IC I and IC II, 5326 contain more objects. Now the index directories IC together with the main NGC catalog are usually considered a single directory, but the IC prefix in the names of objects of course saved.

Catalog NGC includes both Messier bright objects which are visible even on a bright sky, such as M31 and M13, and very dull and "small" items.
The NGC catalog includes not only vague objects like galaxies, nebulae and their parts, but the ball and open clusters of stars, as well as closely spaced stars (2x, 3x and other asterism).
In short, in this catalog amateur astronomer find items for every taste and observation capabilities.

Here we have used the refined modern version of this catalog - RNGC with Dr. Site Wolfgang Steinicke, contains 13958 entries.

On the light-polluted skies near the cities of many objects NGC and IC catalogs merge with a bright sky background. In addition, the small telescopes are simply not enough zoom and aperture for observing with the naked eye, most of the objects NGC catalog.
In such conditions it is better to use the "Messier catalog" and "Caldwell catalog", in which selected the brightest and "largest" objects in our sky.

Filters for catalog NGC / IC:
Galaxy:    spiral and elliptical
Clasters:    globular and open
Nebulae:    planetary
Supernova remnants
The stars and groups of stars
The objects NGC and IC such were not found again
Full catalog NGC / IC

List of The objects NGC and IC were not found again from catalog NGC / IC

NGC 56NGC 111NGC 116NGC 295NGC 412NGC 420
NGC 610NGC 611NGC 952NGC 1037NGC 1147NGC 1170
NGC 1173NGC 1197NGC 1392NGC 1408NGC 1429NGC 1479
NGC 1480NGC 1610NGC 1619NGC 1757NGC 1884NGC 1908
NGC 1915NGC 1927NGC 2189NGC 2198NGC 2218NGC 2529
NGC 2531NGC 2589NGC 2630NGC 2631NGC 2643NGC 2760
NGC 2901NGC 3046NGC 3123NGC 3167NGC 3342NGC 3355
NGC 3401NGC 3484NGC 3708NGC 3709NGC 3927NGC 4160
NGC 4311NGC 4317NGC 4323NGC 4910NGC 4912NGC 4913
NGC 4916NGC 5242NGC 5309NGC 5388NGC 5391NGC 5586
NGC 5825NGC 5840NGC 6059NGC 6082NGC 6237NGC 6245
NGC 6448NGC 6450NGC 6529NGC 6534NGC 6551NGC 6561
NGC 6666NGC 6693NGC 6714NGC 6748NGC 7028NGC 7054
NGC 7088NGC 7133NGC 7210NGC 7238NGC 7405NGC 7447
NGC 7471NGC 7481NGC 7555NGC 7565NGC 7613NGC 7663
NGC 7666NGC 7668NGC 7669NGC 7670IC 111IC 1150
IC 117IC 1203IC 1217IC 1232IC 1233IC 1240
IC 1292IC 1316IC 1376IC 1415IC 1416IC 1426
IC 1475IC 1497IC 151IC 153IC 1533IC 1538
IC 1547IC 155IC 1554IC 1556IC 1560IC 157
IC 1572IC 1604IC 1606IC 1674IC 1699IC 1707
IC 1717IC 1910IC 1911IC 1939IC 1988IC 1992
IC 2013IC 2030IC 2048IC 2053IC 2055IC 2061
IC 2069IC 2072IC 2076IC 2084IC 2090IC 2120
IC 2129IC 2147IC 2155IC 2170IC 2171IC 2183
IC 2195IC 2223IC 2276IC 2278IC 229IC 2325
IC 2328IC 2330IC 2350IC 2399IC 2447IC 2477
IC 2484IC 2485IC 2489IC 2504IC 2595IC 2610
IC 2662IC 2681IC 2709IC 2715IC 2721IC 274
IC 286IC 2918IC 2935IC 2940IC 2962IC 2964
IC 2970IC 2975IC 2983IC 2997IC 2998IC 3000
IC 3009IC 3026IC 3027IC 3030IC 3045IC 3056
IC 3057IC 3083IC 3140IC 3166IC 3177IC 3180
IC 3223IC 3245IC 3251IC 3257IC 3281IC 3295
IC 3319IC 333IC 3352IC 3404IC 3456IC 346
IC 3566IC 3596IC 3700IC 3712IC 3739IC 3770
IC 3797IC 3801IC 3807IC 3846IC 3860IC 394
IC 4055IC 4093IC 4192IC 425IC 4257IC 4308
IC 439IC 4394IC 4407IC 4411IC 4437IC 4491
IC 4510IC 4511IC 4513IC 4540IC 4544IC 4552
IC 4613IC 4622IC 4629IC 4631IC 4632IC 4657
IC 4658IC 4659IC 4667IC 4671IC 4675IC 4898
IC 4922IC 4924IC 4930IC 4940IC 4959IC 4977
IC 4988IC 4991IC 5015IC 5019IC 5056IC 5079
IC 5127IC 5136IC 5137IC 518IC 5194IC 5204
IC 5216IC 5239IC 5248IC 5255IC 5259IC 5268
IC 532IC 5340IC 5344IC 5360IC 5365IC 5366
IC 5383IC 5385IC 541IC 543IC 640IC 641
IC 67IC 68IC 703IC 704IC 71IC 72
IC 759IC 85IC 877IC 878IC 880IC 884
IC 887IC 895IC 955IC 957

In this version of the NGC catalog used by NASA imagery, ngcicproject.org and other sources. The pictures in the places of their original placement referred to as free of licensing restrictions. In case of doubt, please the authors: let me know and they will be removed.

Nikolay Kurdyapin, astro-map.com  
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