Visual Comets in the Future (Northern Hemisphere)

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Updated on May 22, 2017
Southern Hemisphere

Please see the "Weekly Information about Bright Comets" and "Comet Catalog in order of Day of Perihelion" for more information.

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Month Evening Midnight Morning
Comet Mag h Comet Mag h Comet Mag h
2017 May C/2015 V2 (Johnson)669 C/2015 V2 (Johnson)689 C/2015 V2 (Johnson)662
41P/Tuttle- Giacobini- Kresak721 41P/Tuttle- Giacobini- Kresak771 C/2015 ER61 (PanSTARRS)715
71P/Clark1014 71P/Clark1034 41P/Tuttle- Giacobini- Kresak789

29P/Schwassmann- Wachmann 1132 71P/Clark1035


C/2017 E4 (Lovejoy)131


29P/Schwassmann- Wachmann 11333


2P/Encke137


217P/LINEAR1310
2017 Jun C/2015 V2 (Johnson)675 C/2015 V2 (Johnson)659 C/2015 V2 (Johnson)622
71P/Clark1021 71P/Clark1027 C/2015 ER61 (PanSTARRS)725
41P/Tuttle- Giacobini- Kresak1038 41P/Tuttle- Giacobini- Kresak1069 71P/Clark1012

29P/Schwassmann- Wachmann 11324 41P/Tuttle- Giacobini- Kresak1062

C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1316 217P/LINEAR1214


29P/Schwassmann- Wachmann 11342


C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1353
2017 Jul C/2015 V2 (Johnson)738 C/2015 V2 (Johnson)711 C/2015 ER61 (PanSTARRS)844
71P/Clark1021 C/2015 ER61 (PanSTARRS)92 217P/LINEAR1123
C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1211 71P/Clark1014 C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1269
29P/Schwassmann- Wachmann 11313 C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1250 C/2016 R2 (PanSTARRS)139

29P/Schwassmann- Wachmann 11342 29P/Schwassmann- Wachmann 11342
2017 Aug C/2015 V2 (Johnson)811 C/2015 ER61 (PanSTARRS)919 C/2015 ER61 (PanSTARRS)968
71P/Clark1017 71P/Clark101 217P/LINEAR1135
C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1241 C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1266 C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1267
29P/Schwassmann- Wachmann 11327 29P/Schwassmann- Wachmann 11341 C/2016 R2 (PanSTARRS)1234
C/2016 N4 (MASTER)1336 C/2016 N4 (MASTER)1361 29P/Schwassmann- Wachmann 11327


C/2016 N4 (MASTER)1367
2017 Sep 71P/Clark1120 C/2015 ER61 (PanSTARRS)1043 C/2015 ER61 (PanSTARRS)1078
C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1254 C/2016 R2 (PanSTARRS)119 C/2016 R2 (PanSTARRS)1152
29P/Schwassmann- Wachmann 11340 C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1255 217P/LINEAR1148
C/2016 N4 (MASTER)1354 29P/Schwassmann- Wachmann 11341 C/2015 VL62 (Lemmon- Yeung- PanSTARRS)121

C/2016 N4 (MASTER)1358 24P/Schaumasse1336


C/2016 N4 (MASTER)1348
2017 Oct C/2015 ER61 (PanSTARRS)119 C/2016 R2 (PanSTARRS)1136 24P/Schaumasse1037
71P/Clark1224 C/2015 ER61 (PanSTARRS)1176 C/2016 R2 (PanSTARRS)1155
C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1345 217P/LINEAR1210 C/2015 ER61 (PanSTARRS)1178
29P/Schwassmann- Wachmann 11341 C/2015 VL62 (Lemmon- Yeung- PanSTARRS)136 62P/Tsuchinshan 11149
C/2016 N4 (MASTER)1357 29P/Schwassmann- Wachmann 11319 217P/LINEAR1263
C/2016 M1 (PanSTARRS)1338 C/2016 N4 (MASTER)1346 C/2016 N4 (MASTER)1325
2017 Nov C/2016 R2 (PanSTARRS)101 C/2016 R2 (PanSTARRS)1060 24P/Schaumasse1037
C/2015 ER61 (PanSTARRS)1234 C/2015 ER61 (PanSTARRS)1275 C/2016 R2 (PanSTARRS)1057
29P/Schwassmann- Wachmann 11341 217P/LINEAR1326 62P/Tsuchinshan 11153
(3200) Phaethon132 (3200) Phaethon1362 C/2015 ER61 (PanSTARRS)1230
C/2016 M1 (PanSTARRS)1336 C/2016 N4 (MASTER)1327 217P/LINEAR1365
C/2016 N6 (PanSTARRS)1318
(3200) Phaethon1387
71P/Clark1326
C/2016 N6 (PanSTARRS)1330
C/2015 VL62 (Lemmon- Yeung- PanSTARRS)1330
C/2016 N4 (MASTER)1311
C/2016 N4 (MASTER)1356

2017 Dec C/2016 R2 (PanSTARRS)1069 C/2016 R2 (PanSTARRS)1068 C/2016 R2 (PanSTARRS)1014
(3200) Phaethon1086 (3200) Phaethon1085 (3200) Phaethon1049
C/2016 N6 (PanSTARRS)1311 C/2016 N6 (PanSTARRS)135 24P/Schaumasse1038
C/2015 ER61 (PanSTARRS)1372 C/2015 ER61 (PanSTARRS)1372 62P/Tsuchinshan 11156
C/2016 M1 (PanSTARRS)1316
C/2016 N6 (PanSTARRS)1349
185P/Petriew1321
C/2016 M1 (PanSTARRS)134
29P/Schwassmann- Wachmann 11335

2018 Jan C/2016 R2 (PanSTARRS)1077 C/2016 R2 (PanSTARRS)1052 62P/Tsuchinshan 11257
185P/Petriew1123 C/2016 N6 (PanSTARRS)1223 C/2016 N6 (PanSTARRS)1258
C/2016 N6 (PanSTARRS)128 62P/Tsuchinshan 1126 24P/Schaumasse1239
29P/Schwassmann- Wachmann 11320
C/2016 M1 (PanSTARRS)1219
2018 Feb C/2016 R2 (PanSTARRS)1080 C/2016 R2 (PanSTARRS)1029 C/2016 N6 (PanSTARRS)1158
185P/Petriew1129 C/2016 N6 (PanSTARRS)1141 C/2016 M1 (PanSTARRS)1230
C/2016 N6 (PanSTARRS)1126 62P/Tsuchinshan 11320 62P/Tsuchinshan 11357
2018 Mar C/2016 R2 (PanSTARRS)1065 C/2016 R2 (PanSTARRS)1011 C/2016 M1 (PanSTARRS)1137
C/2016 N6 (PanSTARRS)1150 C/2016 N6 (PanSTARRS)1145 C/2016 N6 (PanSTARRS)1147
185P/Petriew1231 C/2015 O1 (PanSTARRS)1352 C/2015 O1 (PanSTARRS)1382
C/2015 O1 (PanSTARRS)1315

2018 Apr C/2016 R2 (PanSTARRS)1043 C/2016 R2 (PanSTARRS)101 C/2016 M1 (PanSTARRS)1041
C/2016 N6 (PanSTARRS)1155 C/2016 M1 (PanSTARRS)104 C/2016 N6 (PanSTARRS)1124
C/2015 O1 (PanSTARRS)1351 C/2016 N6 (PanSTARRS)1141 66P/du Toit1211

C/2015 O1 (PanSTARRS)1371 29P/Schwassmann- Wachmann 11312


C/2015 O1 (PanSTARRS)1374
2018 May C/2016 R2 (PanSTARRS)1026 C/2016 M1 (PanSTARRS)919 C/2016 M1 (PanSTARRS)941
C/2016 N6 (PanSTARRS)1151 C/2016 N6 (PanSTARRS)1123 C/2016 N6 (PanSTARRS)115
21P/Giacobini- Zinner136 21P/Giacobini- Zinner1340 66P/du Toit111


48P/Johnson1330


21P/Giacobini- Zinner1378


29P/Schwassmann- Wachmann 11327


37P/Forbes1325
2018 Jun C/2016 M1 (PanSTARRS)94 C/2016 M1 (PanSTARRS)924 C/2016 M1 (PanSTARRS)931
C/2016 R2 (PanSTARRS)1016 21P/Giacobini- Zinner1155 21P/Giacobini- Zinner1183
21P/Giacobini- Zinner1127 C/2016 N6 (PanSTARRS)113 66P/du Toit1113
C/2016 N6 (PanSTARRS)1129 48P/Johnson1213 48P/Johnson1237
P/2013 CU129 (PanSTARRS)1128 29P/Schwassmann- Wachmann 11313 29P/Schwassmann- Wachmann 11347

37P/Forbes139 37P/Forbes1342
2018 Jul 21P/Giacobini- Zinner831 21P/Giacobini- Zinner856 21P/Giacobini- Zinner875
C/2016 M1 (PanSTARRS)94 C/2016 M1 (PanSTARRS)98 C/2016 R2 (PanSTARRS)115
C/2016 R2 (PanSTARRS)1112 48P/Johnson1126 48P/Johnson1138
C/2016 N6 (PanSTARRS)116 29P/Schwassmann- Wachmann 11339 66P/du Toit1319
29P/Schwassmann- Wachmann 1131 64P/Swift- Gehrels1338 29P/Schwassmann- Wachmann 11357

37P/Forbes1316 64P/Swift- Gehrels1364


37P/Forbes1348
2018 Aug 21P/Giacobini- Zinner727 21P/Giacobini- Zinner746 21P/Giacobini- Zinner761
48P/Johnson115 48P/Johnson1133 48P/Johnson1129
C/2016 R2 (PanSTARRS)1113 64P/Swift- Gehrels1175 C/2016 R2 (PanSTARRS)118
64P/Swift- Gehrels1114 38P/Stephan- Oterma122 64P/Swift- Gehrels1172
29P/Schwassmann- Wachmann 11318 29P/Schwassmann- Wachmann 11357 C/2016 N6 (PanSTARRS)118


38P/Stephan- Oterma1250


29P/Schwassmann- Wachmann 11357


P/2013 CU129 (PanSTARRS)1313
2018 Sep 64P/Swift- Gehrels1031 21P/Giacobini- Zinner621 21P/Giacobini- Zinner662
48P/Johnson1126 64P/Swift- Gehrels1086 64P/Swift- Gehrels1054
C/2016 R2 (PanSTARRS)1113 38P/Stephan- Oterma1014 38P/Stephan- Oterma1064
29P/Schwassmann- Wachmann 11334 48P/Johnson1128 48P/Johnson114

46P/Wirtanen1132 C/2016 R2 (PanSTARRS)1114

29P/Schwassmann- Wachmann 11356 46P/Wirtanen1136


C/2016 N6 (PanSTARRS)1131


29P/Schwassmann- Wachmann 11328
2018 Oct 64P/Swift- Gehrels946 46P/Wirtanen829 21P/Giacobini- Zinner747
C/2016 R2 (PanSTARRS)1113 38P/Stephan- Oterma927 38P/Stephan- Oterma973
48P/Johnson1129 64P/Swift- Gehrels990 64P/Swift- Gehrels932
29P/Schwassmann- Wachmann 11355 48P/Johnson1119 46P/Wirtanen1013

29P/Schwassmann- Wachmann 11355 C/2016 R2 (PanSTARRS)1122


C/2016 N6 (PanSTARRS)1151
2018 Nov 46P/Wirtanen432 46P/Wirtanen429 38P/Stephan- Oterma982
64P/Swift- Gehrels990 38P/Stephan- Oterma943 21P/Giacobini- Zinner927
C/2016 R2 (PanSTARRS)119 64P/Swift- Gehrels988 64P/Swift- Gehrels912
48P/Johnson1334 21P/Giacobini- Zinner107 C/2016 N6 (PanSTARRS)1153
29P/Schwassmann- Wachmann 11354 C/2016 N6 (PanSTARRS)1119 C/2016 R2 (PanSTARRS)1135

48P/Johnson138

29P/Schwassmann- Wachmann 11325
2018 Dec 46P/Wirtanen356 46P/Wirtanen388 46P/Wirtanen333
38P/Stephan- Oterma98 38P/Stephan- Oterma985 38P/Stephan- Oterma989
64P/Swift- Gehrels1090 64P/Swift- Gehrels1055 21P/Giacobini- Zinner1116
C/2016 R2 (PanSTARRS)121 21P/Giacobini- Zinner1118 C/2016 N6 (PanSTARRS)1147
29P/Schwassmann- Wachmann 11354 C/2016 N6 (PanSTARRS)1139 C/2016 R2 (PanSTARRS)1253
78P/Gehrels 21344 29P/Schwassmann- Wachmann 1132
2019 Jan 46P/Wirtanen429 46P/Wirtanen469 46P/Wirtanen441
38P/Stephan- Oterma1034 38P/Stephan- Oterma1084 38P/Stephan- Oterma1045
64P/Swift- Gehrels1185 64P/Swift- Gehrels1143 C/2016 R2 (PanSTARRS)1268
C/2016 N6 (PanSTARRS)1233 C/2016 N6 (PanSTARRS)1136
78P/Gehrels 21338 C/2016 R2 (PanSTARRS)1210
21P/Giacobini- Zinner1325 21P/Giacobini- Zinner1224
29P/Schwassmann- Wachmann 11342

2019 Feb 46P/Wirtanen745 46P/Wirtanen778 46P/Wirtanen737
38P/Stephan- Oterma1156 38P/Stephan- Oterma1179 38P/Stephan- Oterma1126
C/2016 N6 (PanSTARRS)1233 C/2016 R2 (PanSTARRS)1226 C/2016 R2 (PanSTARRS)1278
78P/Gehrels 21327 C/2016 N6 (PanSTARRS)1222
64P/Swift- Gehrels1382 64P/Swift- Gehrels1332
29P/Schwassmann- Wachmann 11320

2019 Mar 46P/Wirtanen1089 46P/Wirtanen1086 46P/Wirtanen1024
C/2016 R2 (PanSTARRS)1212 C/2016 R2 (PanSTARRS)1250 C/2016 R2 (PanSTARRS)1279
78P/Gehrels 21315 C/2016 N6 (PanSTARRS)131 38P/Stephan- Oterma1314
C/2016 N6 (PanSTARRS)1333 38P/Stephan- Oterma1365
38P/Stephan- Oterma1379

2019 Apr C/2016 R2 (PanSTARRS)1338 C/2016 R2 (PanSTARRS)1377 C/2016 R2 (PanSTARRS)1377
78P/Gehrels 2131 46P/Wirtanen1357 46P/Wirtanen139
46P/Wirtanen1390
29P/Schwassmann- Wachmann 1132
2019 May C/2016 R2 (PanSTARRS)1369 C/2016 R2 (PanSTARRS)1380 C/2016 R2 (PanSTARRS)1356


29P/Schwassmann- Wachmann 11317
2019 Jun C/2016 R2 (PanSTARRS)1382 29P/Schwassmann- Wachmann 1132 29P/Schwassmann- Wachmann 11339

C/2016 R2 (PanSTARRS)1381 C/2016 R2 (PanSTARRS)1336
2019 Jul
168P/Hergenrother124 168P/Hergenrother1245

260P/McNaught1315 260P/McNaught1352

29P/Schwassmann- Wachmann 11326 29P/Schwassmann- Wachmann 11365


78P/Gehrels 2131
2019 Aug 29P/Schwassmann- Wachmann 1135 168P/Hergenrother1118 168P/Hergenrother1163
68P/Klemola1345 260P/McNaught1239 260P/McNaught1275

29P/Schwassmann- Wachmann 11353 29P/Schwassmann- Wachmann 11371

68P/Klemola1312 78P/Gehrels 21319
2019 Sep 260P/McNaught1110 260P/McNaught1162 260P/McNaught1190
29P/Schwassmann- Wachmann 11321 168P/Hergenrother1127 168P/Hergenrother1170
68P/Klemola1342 29P/Schwassmann- Wachmann 11371 29P/Schwassmann- Wachmann 11371

68P/Klemola134 78P/Gehrels 21328
2019 Oct 260P/McNaught1130 260P/McNaught1184 260P/McNaught1185
29P/Schwassmann- Wachmann 11370 168P/Hergenrother1234 168P/Hergenrother1271
68P/Klemola1337 29P/Schwassmann- Wachmann 11371 29P/Schwassmann- Wachmann 11327
168P/Hergenrother131

2019 Nov 260P/McNaught1276 260P/McNaught1276 260P/McNaught1235
29P/Schwassmann- Wachmann 11369 29P/Schwassmann- Wachmann 11354
68P/Klemola1334

2019 Dec 29P/Schwassmann- Wachmann 11368 29P/Schwassmann- Wachmann 11329 260P/McNaught1312
260P/McNaught1377 260P/McNaught1362
2020 Jan 29P/Schwassmann- Wachmann 11366 29P/Schwassmann- Wachmann 1136
2020 Feb 29P/Schwassmann- Wachmann 11344

2020 Mar 88P/Howell138 88P/Howell1351 88P/Howell1328
29P/Schwassmann- Wachmann 11322

2020 Apr 210P/Christensen1119 88P/Howell1253 88P/Howell1226
88P/Howell1243

2020 May 88P/Howell1154 88P/Howell1153 85P/Boethin1211
249P/LINEAR1233
88P/Howell127
210P/Christensen1321
29P/Schwassmann- Wachmann 1135
2020 Jun 88P/Howell1051 88P/Howell1023 85P/Boethin918
249P/LINEAR1012
29P/Schwassmann- Wachmann 11325
2020 Jul 88P/Howell1033 29P/Schwassmann- Wachmann 11311 85P/Boethin823


249P/LINEAR918


58P/Jackson- Neujmin1318


29P/Schwassmann- Wachmann 11352
2020 Aug 88P/Howell921 29P/Schwassmann- Wachmann 11335 85P/Boethin828
2P/Encke1012
58P/Jackson- Neujmin1335


29P/Schwassmann- Wachmann 11382
2020 Sep 88P/Howell815 29P/Schwassmann- Wachmann 11360 85P/Boethin936
29P/Schwassmann- Wachmann 1134
29P/Schwassmann- Wachmann 11383


58P/Jackson- Neujmin1349
2020 Oct 88P/Howell819 29P/Schwassmann- Wachmann 11383 85P/Boethin1242
29P/Schwassmann- Wachmann 11321
29P/Schwassmann- Wachmann 11383
2020 Nov 88P/Howell924 P/2009 Q4 (Boattini)1242 P/2009 Q4 (Boattini)1214
141P/Machholz 21329 29P/Schwassmann- Wachmann 11382 29P/Schwassmann- Wachmann 11325
29P/Schwassmann- Wachmann 11381

17P/Holmes1321

2020 Dec 88P/Howell1026 P/2009 Q4 (Boattini)1253
141P/Machholz 21134 29P/Schwassmann- Wachmann 11358
P/2009 Q4 (Boattini)1227

29P/Schwassmann- Wachmann 11381

17P/Holmes1321

2021 Jan 141P/Machholz 21150 P/2009 Q4 (Boattini)1247
88P/Howell1126 29P/Schwassmann- Wachmann 11332
P/2009 Q4 (Boattini)1272

29P/Schwassmann- Wachmann 11379

17P/Holmes1314

2021 Feb 88P/Howell1219 141P/Machholz 2135
141P/Machholz 21353 29P/Schwassmann- Wachmann 1138
17P/Holmes132 P/2009 Q4 (Boattini)1346
29P/Schwassmann- Wachmann 11368

P/2009 Q4 (Boattini)1375

2021 Mar 29P/Schwassmann- Wachmann 11344 7P/Pons- Winnecke1214 7P/Pons- Winnecke1263
88P/Howell138
246P/NEAT1324
2021 Apr 29P/Schwassmann- Wachmann 11320 7P/Pons- Winnecke916 7P/Pons- Winnecke961


246P/NEAT1326
2021 May
7P/Pons- Winnecke815 7P/Pons- Winnecke854

246P/NEAT1314 4P/Faye1316


15P/Finlay1313


246P/NEAT1327
2021 Jun 246P/NEAT136 7P/Pons- Winnecke86 7P/Pons- Winnecke836

246P/NEAT1324 15P/Finlay1118


4P/Faye1228


10P/Tempel 21212


8P/Tuttle127


246P/NEAT1326


29P/Schwassmann- Wachmann 1139
2021 Jul 246P/NEAT1316 4P/Faye111 7P/Pons- Winnecke919

246P/NEAT1322 15P/Finlay927


8P/Tuttle104


4P/Faye1143


10P/Tempel 21331


246P/NEAT1313


29P/Schwassmann- Wachmann 11333
2021 Aug 6P/d'Arrest1250 4P/Faye108 8P/Tuttle92
246P/NEAT1317 6P/d'Arrest1216 15P/Finlay936

7P/Pons- Winnecke123 4P/Faye1057

29P/Schwassmann- Wachmann 11313 7P/Pons- Winnecke118

246P/NEAT1320 29P/Schwassmann- Wachmann 11360


10P/Tempel 21339
2021 Sep 6P/d'Arrest1037 4P/Faye1016 4P/Faye1067

7P/Pons- Winnecke135 15P/Finlay1149

29P/Schwassmann- Wachmann 11334 29P/Schwassmann- Wachmann 11387
2021 Oct 6P/d'Arrest926 4P/Faye1029 4P/Faye1069
19P/Borrelly113 104P/Kowal 21318 15P/Finlay1356
104P/Kowal 21347 29P/Schwassmann- Wachmann 11361 29P/Schwassmann- Wachmann 11387
29P/Schwassmann- Wachmann 1131 67P/Churyumov- Gerasimenko1318 132P/Helin- Roman- Alu 21312
67P/Churyumov- Gerasimenko1333 15P/Finlay131
132P/Helin- Roman- Alu 21352 132P/Helin- Roman- Alu 21354
2021 Nov 6P/d'Arrest927 4P/Faye1048 4P/Faye1066
19P/Borrelly1017 104P/Kowal 2127 29P/Schwassmann- Wachmann 11387
104P/Kowal 21145 67P/Churyumov- Gerasimenko131
67P/Churyumov- Gerasimenko1241 29P/Schwassmann- Wachmann 11387
29P/Schwassmann- Wachmann 11321 132P/Helin- Roman- Alu 21339
132P/Helin- Roman- Alu 21352

2021 Dec 19P/Borrelly935 4P/Faye1062 4P/Faye1063
6P/d'Arrest1033 29P/Schwassmann- Wachmann 11387 22P/Kopff125
104P/Kowal 21047
9P/Tempel 11321
4P/Faye1110
29P/Schwassmann- Wachmann 11323
67P/Churyumov- Gerasimenko1148

29P/Schwassmann- Wachmann 11386

2022 Jan 19P/Borrelly846 4P/Faye1164 22P/Kopff118
104P/Kowal 21054 29P/Schwassmann- Wachmann 11360 4P/Faye116
67P/Churyumov- Gerasimenko1152
9P/Tempel 11221
4P/Faye1165

6P/d'Arrest1234

29P/Schwassmann- Wachmann 11386

2022 Feb 19P/Borrelly848 104P/Kowal 21011 22P/Kopff118
104P/Kowal 21063 4P/Faye1349 9P/Tempel 11220
67P/Churyumov- Gerasimenko1153 29P/Schwassmann- Wachmann 11335 116P/Wild 41322
4P/Faye1367 116P/Wild 41374
29P/Schwassmann- Wachmann 11385

116P/Wild 41337

2022 Mar 19P/Borrelly946 67P/Churyumov- Gerasimenko112 22P/Kopff108
67P/Churyumov- Gerasimenko1153 104P/Kowal 21215 9P/Tempel 11117
104P/Kowal 21265 116P/Wild 41374 116P/Wild 4139
116P/Wild 41374 29P/Schwassmann- Wachmann 11313
29P/Schwassmann- Wachmann 11368

2022 Apr 45P/Honda- Mrkos- Pajdusakova910 19P/Borrelly113 22P/Kopff1010
19P/Borrelly1042 67P/Churyumov- Gerasimenko123 9P/Tempel 11215
67P/Churyumov- Gerasimenko1250 116P/Wild 41345 117P/Helin- Roman- Alu 11326
116P/Wild 41374

29P/Schwassmann- Wachmann 11341

The h means the highest altitude in that month at lat. 35 deg in the Northern Hemisphere.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.