Compact groups of three galaxies didn't qualify for the Hickson Atlas of Compact Groups of Galaxies, but there are lots of interesting ones. Miles Paul compiled this list of 118 of his favorites. Column Five (#>14) indicates the number of galaxies brighter than 14th magnitude and gives an idea of the group's visibility in smaller scopes.
AND | IC1535 | 0014 | +4806 | ||||
AND | NGC 51 | 0015 | +4812 | ||||
PSC | NGC128 | 0029 | +0254 | ||||
CET | MCG-2-2-31 | 0031 | -0824 | ||||
PSC | NGC138 | 0031 | +0512 | ||||
CET | NGC142 | 0031 | -2236 | ||||
AND | MCG+4-2-37 | 0037 | +2542 | ||||
CET | NGC177 | 0038 | -2236 | ||||
AND | NGC183 | 0038 | +2930 | ||||
CET | NGC235 | 0043 | -2336 | ||||
AND | NGC252 | 0048 | +2736 | ||||
PSC | NGC315 | 0058 | +3018 | ||||
PSC | NGC392 | 0108 | +3306 | ||||
SCL | MCG-5-4-12 | 0113 | -3148 | ||||
CET | NGC430 | 0113 | -0018 | ||||
SCL | IC1657 | 0114 | -3236 | ||||
PSC | NGC451 | 0116 | +3306 | ||||
PSC | NGC490 | 0122 | +0524 | ||||
CET | NGC554 | 0127 | -2242 | ||||
TRI | NGC672 | 0148 | +2724 | ||||
ARI | NGC680 | 0150 | +2200 | ||||
TRI | NGC735 | 0156 | +3412 | ||||
PSC | NGC741 | 0157 | +0536 | ||||
AND | NGC923 | 0228 | +4200 | ||||
TRI | NGC969 | 0234 | +3300 | ||||
PER | NGC996 | 0238 | +4142 | ||||
CET | NGC1017 | 0239 | -1100 | ||||
ARI | NGC1024 | 0240 | +1048 | ||||
TRI | NGC1060 | 0243 | +3224 | ||||
TRI | NGC1066 | 0244 | +3230 | ||||
ERI | NGC1228 | 0308 | -2254 | ||||
ERI | NGC1472 | 0354 | -0836 | ||||
ERI | NGC1532 | 0412 | -3254 | ||||
ERI | NGC1600 | 0432 | -0506 | ||||
ERI | NGC1625 | 0436 | -0312 | ||||
ERI | NGC1721 | 0459 | -1106 | ||||
ORI | UGC3274 | 0517 | +0624 | ||||
GEM | NGC2274 | 0647 | +3336 | ||||
CMA | NGC2292 | 0648 | -2642 | ||||
LYN | MCG+7-15-6 | 0707 | +4448 | ||||
GEM | UGC3776 | 0717 | +3400 | ||||
GEM | NGC2379 | 0727 | +3348 | ||||
GEM | NGC2389 | 0729 | +3348 |
CMI | NGC2513 | 0803 | +0924 | ||||
PUP | IC2375 | 0826 | -1318 | ||||
UMA | NGC2684 | 0855 | +4912 | ||||
UMA | NGC2820 | 0922 | +6418 | ||||
UMA | NGC2857 | 0925 | +4918 | ||||
LEO | NGC2872 | 0926 | +1124 | ||||
LEO | NGC2929 | 0937 | +2312 | ||||
LEO | NGC2964 | 0943 | +3154 | ||||
LEO | NGC2991 | 0947 | +2200 | ||||
UMA | NGC3010 | 0951 | +4418 | ||||
SEX | NGC3169 | 1014 | +0330 | ||||
UMA | NGC3202 | 1021 | +4300 | ||||
LEO | IC613 | 1027 | +1100 | ||||
HYA | NGC3280 | 1033 | -1242 | ||||
LEO | M105 | 1048 | +1236 | ||||
LEO | NGC3434 | 1052 | +0348 | ||||
UMA | NGC3545 | 1110 | +3700 | ||||
UMA | MCG+9-19-25 | 1117 | +5442 | ||||
CRT | NGC3667 | 1124 | -1342 | ||||
UMA | NGC3786 | 1140 | +3154 | ||||
CRT | NGC3831 | 1143 | -1254 | ||||
VIR | WILD'S TRIPLET | 1147 | -0354 | ||||
UMA | NGC3921 | 1151 | +5518 | ||||
LEO | NGC3988 | 1157 | +2754 | ||||
UMA | NGC3995 | 1158 | +3218 | ||||
VIR | NGC4168 | 1212 | +1312 | ||||
VIR | MCG+2-31-58 | 1215 | +1300 | ||||
COM | NGC4278 | 1220 | +2918 | ||||
VIR | NGC4339 | 1224 | +0606 | ||||
VIR | IC 3481 | 1233 | +1124 | ||||
COM | NGC4615 | 1242 | +2606 | ||||
VIR | NGC4716 | 1251 | -0924 | ||||
VIR | NGC4933 | 1304 | -1130 | ||||
VIR | NGC5077 | 1320 | -1242 | ||||
CVN | NGC5141 | 1325 | +3624 | ||||
HYA | NGC5152 | 1328 | -2936 | ||||
VIR | NGC5209 | 1333 | +0718 | ||||
CVN | NGC5351 | 1354 | +3754 | ||||
UMA | NGC5485 | 1407 | +5500 | ||||
BOO | NGC5504 | 1412 | +1548 | ||||
VIR | NGC5566 | 1420 | +0400 | ||||
VIR | NGC5576 | 1421 | +0318 | ||||
BOO | NGC5614 | 1424 | +3454 | ||||
BOO | UGC9233 | 1425 | +3518 | ||||
VIR | NGC5638 | 1430 | +0312 | ||||
BOO | NGC5648 | 1431 | +1400 | ||||
VIR | NGC5679 | 1435 | +0524 | ||||
VIR | IC1071 | 1454 | +0448 |
LIB | NGC5802 | 1501 | -1354 | ||||
BOO | NGC5888 | 1513 | +4118 | ||||
LIB | NGC5903 | 1519 | -2400 | ||||
LIB | NGC5915 | 1522 | -1306 | ||||
DRA | NGC5982 | 1539 | +5924 | ||||
SER | NGC6070 | 1610 | +0042 | ||||
CRB | NGC6120 | 1620 | +3748 | ||||
HER | ZWICKY'S TRIPLET | 1650 | +4530 | ||||
DRA | NGC6290 | 1701 | +5900 | ||||
DRA | NGC6491 | 1750 | +6130 | ||||
DRA | NGC6608 | 1813 | +6118 | ||||
DEL | NGC6928 | 2033 | +0954 | ||||
DEL | NGC6956 | 2044 | +1230 | ||||
CAP | NGC7018 | 2108 | -2530 | ||||
CAP | MCG+4-50-6 | 2112 | -2312 | ||||
PEG | NGC7270 | 2224 | +3224 | ||||
LAC | NGC7274 | 2224 | +3606 | ||||
LAC | UGC12064 | 2231 | +3924 | ||||
LAC | UGC12073 | 2233 | +3912 | ||||
AND | NGC7449 | 2300 | +3906 | ||||
PEG | NGC7465 | 2302 | +1600 | ||||
PSC | NGC7499 | 2310 | +0742 | ||||
PSC | NGC7530 | 2314 | -0242 | ||||
PSC | NGC7562 | 2316 | +0642 | ||||
PSC | NGC7700 | 2335 | -0254 | ||||
PEG | NGC7769 | 2351 | +2012 | ||||
PSC | NGC7778 | 2354 | +0754 |