Coronal hole history

STAR
Coronal hole tag
Location Earth facing position date interval Geomagnetic disturbance
date interval
Kp dominant / Kp max / ap max Max solar wind speed (km/s) Comment
CH325 northern 2008.05.04 none -/-/-   new
CH324 trans equatorial 2008.04.30-2008.05.02 2008.05.03-2008.05.06 3/3/18 639 fragmented, was eastern part of CH319
CH323 southern 2008.04.28-2008.04.29 2008.05.01-2008.05.02 3/4/32 481 was central part of CH319
CH322 southern 2008.04.26 none -/-/-   was western part of CH319
CH321 trans equatorial 2008.04.21-2008.04.23 2008.04.24-2008.04.27 3/4/32 622 recurrent, ref. CH318
CH320 northern 2008.04.18-2008.04.20 2008.04.22-2008.04.24 4/5/56 665 recurrent, ref. CH317
CH319 trans equatorial 2008.04.01-2008.04.05 2008.04.04-2008.04.10 3/6/67 743 recurrent, ref. CH316
CH318 trans equatorial 2008.03.25-2008.03.28 2008.03.28-2008.03.30 3/5/39 719 recurrent, ref. CH315
CH317 northern 2008.03.22-2008.03.23 2008.03.26-2008.03.27 4/6/67 701  
CH316 trans equatorial 2008.03.04-2008.03.09 2008.03.08-2008.03.15 3/5/56 724 recurrent, ref. CH312
CH315 trans equatorial 2008.02.24-2008.02.29 2008.02.27-2008.03.03 3/5/48 760 recurrent, ref. CH311
CH314 northern 2008.02.17-2008.02.18 2008.02.20-2008.02.21 2/3/12 569 recurrent, ref. CH309
CH313 northern 2008.02.05 none -/-/-   new
CH312 trans equatorial 2008.02.06-2008.02.11 2008.02.10-2008.02.16 3/5/48 791 recurrent, ref. CH308
CH311 trans equatorial 2008.01.30-2008.02.01 2008.02.01-2008.02.04 3/5/48 709 recurrent, ref. CH306 (eastern part)
CH310 trans equatorial 2008.01.28-2008.01.29 2008.01.31-2008.02.01 3/3/15 490 recurrent, ref. CH306 (western part)
CH309 northern 2008.01.22 2008.01.25-2008.01.26 2/4/27 556  
CH308 southern 2008.01.10-2008.01.15 2008.01.12-2008.01.20 3/4/32 770 recurrent, ref. CH304
CH307 northern 2008.01.02 2008.01.04-2008.01.05 3/4/27 727 difficult to interpret data due to CME interacting with CH stream
CH306 trans equatorial 2008.01.04-2008.01.05 2008.01.06-2008.01.09 3/4/27 778 recurrent, ref. CH303
CH305 northern 2007.12.21 2007.12.27 2/2/6 531 recurrent, ref. CH301
CH304 southern 2007.12.14-2007.12.18 2007.12.17-2007.12.22 3/4/32 830 recurrent, ref. CH300
CH303 trans equatorial 2007.12.08-2007.12.10 2007.12.10-2007.12.13 3/4/22 711 recurrent, ref. CH298
CH302 southern 2007.11.30-2007.12.01 2007.12.05 -/-/- 371 new
CH301 trans equatorial 2007.11.24-2007.11.25 none -/-/-   new
CH300 southern 2007.11.17-2007.11.20 2007.11.19-2007.11.26 3/6/80 751 recurrent, ref. CH296
CH299 northern 2007.11.14-2007.11.15 none -/-/-   new
CH298 trans equatorial 2007.11.10-2007.11.14 2007.11.13-2007.11.17 2/3/18 692 recurrent, ref. CH295
CH297 southern 2007.10.26-2007.10.27 2007.10.29-2007.10.30 2/5/48 579 recurrent, ref. CH293
CH296 southern 2007.10.21-2007.10.22 2007.10.25-2007.10.27 3/6/67 690 recurrent, ref. CH292
CH295 trans equatorial 2007.10.15-2007.10.18 2007.10.18-2007.10.19 3/3/18 574 recurrent, ref. CH291
CH294 southern 2007.10.08-2007.10.10 2007.10.12-2007.10.14 1/2/9 334 recurrent, ref. CH290
CH293 southern 2007.09.29 2007.10.02-2007.10.04 3/4/27 562 recurrent, ref. CH289
CH292 southern 2007.09.24-2007-09.25 2007.09.27-2007.09.30 4/6/67 705 recurrent, ref. CH288
CH291 trans equatorial 2007.09.16-2007.09.21 2007.09.20-2007.09.24 2/4/32 710 recurrent, ref. CH287
CH290 southern 2007.09.10-2007.09.11 2007.09.14-2007.09.15 2/3/12 416 recurrent, ref. CH285
CH289 southern 2007.09.02 2007.09.06-2007.09.07 3/4/32 552 recurrent, ref. CH283
CH288 southern 2007.08.28-2007.08.29 2007.08.31-2007.09.04 3/5/48 701 recurrent, ref. CH282
CH287 trans equatorial 2007.08.21-2007.08.24 2007.08.25-2007.08.28 2/4/32 696 recurrent, ref. CH280
CH286 northern 2007.08.17 (2007.08.21) 2/2/7 - recurrent, ref. CH279, weak disturbance
CH285 trans equatorial 2007.08.14-2007.08.15 (2007.08.19) 2/2/7 442 new, brief and weak disturbance
CH284 trans equatorial 2007.08.10-2007.08.11 2007.08.15-2007.08.16 2/3/15 510 recurrent, ref. CH278
CH283 southern 2007.08.06 2007.08.10-2007.08.11 3/4/27 568 recurrent, ref. CH277 eastern part
CH282 southern 2007.08.02-2007.08.03 2007.08.06-2007.08.08 3/6/67 748 recurrent, ref. CH277 western part
CH281 trans equatorial 2007.07.29-2007.07.30 2007.08.01-2007.08.02 3/4/22 700 new
CH280 trans equatorial 2007.07.25-2007.07.27 2007.07.29-2007.07.31 3/4/22 726 recurrent, ref. CH276
CH279 trans equatorial 2007.07.21-2007.07.23 2007.07.26-2007.07.27 3/4/27 548 recurrent, ref. CH275
CH278 southern 2007.07.15-2007.07.16 2007.07.20-2007.07.21 2/5/39 555 recurrent, ref. CH273
CH277 southern 2007.07.06-2007.07.07
2007.07.09-2007.07.10
2007.07.10-2007.07.12
2007.07.14-2007.07.15
3/6/67 655 recurrent, ref. CH272
CH276 trans equatorial 2007.06.29-2007.06.30 2007.07.03-2007.07.04 3/4/32 692 new
CH275 southern 2007.06.25-2007.06.27 2007.06.28-2007.06.30 3/5/48 570 recurrent, ref. CH271
CH274 trans equatorial 2007.06.22 none -/-/-    
CH273 southern 2007.06.17-2007.06.19 2007.06.21-2007.06.23 3/4/32 596 recurrent, ref. CH270
CH272 southern 2007.06.10-2007.06.11 2007.06.14-2007.06.16 3/4/32 634 recurrent, ref. CH269
CH271 southern 2007.05.30-2007.05.31 2007.06.02-2007.06.04 2/4/27 531 recurrent, ref. CH268
CH270 southern 2007.05.21-2007.05.23 2007.05.24-2007.05.27 3/4/27 725 recurrent, ref. CH267
CH269 southern 2007.05.15-2007.05.16 2007.05.18-2007.05.20 3/4/27 660 recurrent, ref. CH266
CH268 southern 2007.05.03-2007.05.04 2007.05.07-2007.05.09 3/4/32 634 recurrent, ref. CH264. Minor CME arrived on May 7
CH267 southern 2007.04.24-2007.04.26 2007.04.27-2007.04.30 4/5/48 716 recurrent, ref. CH263
CH266 trans equatorial 2007.04.16-2007.04.19 2007.04.22-2007.04.23 2/5/56 569 recurrent, ref. CH262
CH265 trans equatorial 2007.04.13-2007.04.14 2007.04.17-2007.04.18 2/4/22 382 recurrent, ref. CH261
CH264 southern 2007.04.06-2007.04.07 2007.04.08-2007.04.12 2/4/22 536 recurrent, ref. CH260
CH263 southern 2007.03.28-2007.03.30 2007.03.31-2007.04.03 4/5/56 635 recurrent, ref. CH259
CH262 trans equatorial 2007.03.20-2007.03.23 2007.03.25-2007.03.28 2/4/32 568 recurrent, ref. CH258
CH261 southern 2007.03.18-2007.03.19 2007.03.23-2007.03.24 3/5/39 368  
CH260 southern 2007.03.09-2007.03.11 2007.03.11-2007.03.17 3/5/48 710 recurrent, ref CH257
CH259 southern 2007.03.01-2007.03.03 2007.03.05-2007.03.07 3/5/48 638 recurrent
CH258 southern 2007.02.22-2007.02.25 2007.02.26-2007.03.01 3/5/39 699 recurrent, ref CH256
CH257 trans equatorial 2007.02.08-2007.02.13 2007.02.12-2007.02.16 3/5/48 844 recurrent, ref CH255
CH256 southern 2007.01.26-2007.01.28 2007.01.29-2007.02.01 3/7/111 789 recurrent, ref CH254
CH255 southern 2007.01.12-2007.01.16 2007.01.15-2007.01.20 3/6/94 756 recurrent, ref CH252
CH254 southern 2006.12.30-2006.12.31 2007.01.01-2007.01.05 3/5/39 794 recurrent, ref. CH250
CH253 southern 2006.12.24 none -/-/-    
CH252 southern 2006.12.16-2006.12.20 2006.12.18-2006.12.25 3/5/39 845 recurrent, ref CH248
CH251 northern 2006.12.07-2006.12.09 2006.12.10-2006.12.13 3/5/48 868  
CH250 southern 2006.12.03-2006.12.04 2006.12.05-2006.12.07 3/5/56 638 recurrent, ref CH247
CH249 northern 2006.11.26 2006.11.30 4/5/56 410 recurrent, ref CH246
CH248 southern 2006.11.19-2006.11.23 2006.11.22-2006.11.26 3/5/48 659 recurrent, ref CH245
CH247 southern 2006.11.06-2006.11.08 2006.11.09-2006.11.11 4/6/80 657 recurrent, ref CH243
CH246 northern 2006.10.30-2006.10.31 2006.11.03-2006.11.04 2/3/18 435 recurrent, ref CH242
CH245 trans equatorial 2006.10.24-2006.10.26 2006.10.27-2006.10.30 3/4/32 572 partly recurrent. CH241 merged with other CHs
CH244 trans equatorial 2006.10.16-2006.10.18 2006.10.20-2006.10.22 3/5/39 635 recurrent, ref CH240
CH243 trans equatorial 2006.10.10-2006.10.12 2006.10.12-2006.10.14 3/5/48 607 recurrent, ref CH239
CH242 northern 2006.10.04 2006.10.07-2006.10.08 3/4/22 541  
CH241 trans equatorial 2006.09.25-2006.09.27 2006.09.30-2006.10.01 3/5/56 564 recurrent, ref CH238
CH240 trans equatorial 2006.09.20-2006.09.21 2006.09.23-2006.09.26 3/5/48 699 recurrent, ref CH237
CH239 trans equatorial 2006.09.13-2006.09.14 2006.09.16-2006.09.19 3/5/39 632 recurrent, ref CH236
CH238 trans equatorial 2006.08.29-2006.08.31 2006.09.01-2006.09.04 3/6/80 687 recurrent, ref CH235
CH237 trans equatorial 2006.08.24-2006.08.26 2006.08.27-2006.08.30 3/5/39 693 recurrent, ref CH234
CH236 southern 2006.08.18 2006.08.21-2006.08.23 3/4/27 522  
CH235 trans equatorial 2006.08.02-2006.08.04 2006.08.07-2006.08.09 3/6/67 647 recurrent, ref CH231
CH234 trans equatorial 2006.07.28-2006.07.30 2006.07.31-2006.08.03 3/4/22 716 recurrent, ref CH230
CH233 northern 2006.07.23-2006.07.24 2006.07.27-2006.07.29 4/6/94 750  
CH232 trans equatorial 2006.07.21-2006.07.22 2006.07.24-2006.07.26 2/3/15 365 recurrent, ref CH229
CH231 southern 2006.07.07-2006.07.09 2006.07.11-2006.07.13 3/4/22 582 recurrent, ref CH228
CH230 trans equatorial 2006.07.01-2006.07.03 2006.07.04-2006.07.07 3/5/39 739 recurrent, ref CH227
CH229 trans equatorial 2006.06.24-2006.06.26 2006.06.27-2006.06.30 3/4/32 641 recurrent, ref CH226
CH228 southern 2006.06.12-2006.06.13 2006.06.14-2006.06.18 3/5/56 696 recurrent, ref CH225
CH227 northern 2006.06.04-2006.06.06 2006.06.06-2006.06.10 4/5/48 733 recurrent, ref CH223
CH226 trans equatorial 2006.05.29-2006.05.30 2006.06.01-2006.06.03 2/4/27 578 recurrent, ref CH222
CH225 southern 2006.05.16-2006.05.17 2006.05.18-2006.05.21 2/5/48 582 recurrent, ref CH221
CH224 trans equatorial 2006.05.13-2006.05.15 2006.05.17-2006.05.18 2/3/12 350  
CH223 northern 2006.05.08-2006.05.10 2006.05.10-2006.05.14 3/4/27 692 recurrent, ref CH220
CH222 trans equatorial 2006.05.02-2006.05.04 2006.05.05-2006.05.08 3/5/56 662 recurrent, ref CH219
CH221 trans equatorial 2006.04.17-2006.04.20 2006.04.21-2006.04.24 3/4/32 591 recurrent, ref CH217
CH220 trans equatorial 2006.04.11-2006.04.14 2006.04.13-2006.04.18 4/7/111 704 recurrent, ref CH216
CH219 trans equatorial 2006.04.06-2006.04.08 2006.04.09-2006.04.10 4/6/67 736  
CH218 northern 2006.04.02-2006.04.03 2006.04.05-2006.04.06 3/4/32 441 recurrent, ref CH215
CH217 trans equatorial 2006.03.21-2006.03.22 2006.03.24-2006.03.27 2/3/15 402  
CH216 trans equatorial 2006.03.16-2006.03.17 2006.03.18-2006.03.22 3/6/94 734 recurrent, ref CH212
CH215 trans equatorial 2006.03.05-2006.03.07 2006.03.09-2006.03.12 3/4/27 586 recurrent, ref CH210
CH214 southern 2006.02.24-2006.02.25 2006.02.28-2006.03.02 2/3/15 462 recurrent, ref CH207
CH213 southern 2006.02.20 none -/-/-   poorly defined
CH212 northern 2006.02.17-2006.02.18 2006.02.19-2006.02.23 3/6/67 760 recurrent, ref CH206
CH211 southern 2006.02.12 2006.02.15-2006.02.16 2/4/32 598  
CH210 northern 2006.02.08 2006.02.11-2006.02.12 2/3/12 558 recurrent, ref CH205
CH209 northern 2006.02.04 none -/-/-   recurrent, ref CH204
CH208 northern 2006.01.30 weak effects on
2006.02.03-2006.02.04
-/2/4 414 poorly defined
CH207 southern 2006.01.28-2006.01.29 weak effects on
2006.02.01-2006.02.02
-/2/4 380 small
CH206 trans equatorial 2006.01.21-2006.01.23 2006.01.23-2006.01.27 3/6/67 755 recurrent, ref. CH202
CH205 trans equatorial 2006.01.12-2006.01.13 2006.01.15-2006.01.17 3/4/22 515 recurrent, ref. CH201
CH204 trans equatorial 2006.01.08 none -/-/- poorly defined
CH203 trans equatorial 2005.12.31-2006.01.01 none -/-/- poorly defined
CH202 trans equatorial 2005.12.25-2005.12.27 2005.12.27-2005.12.30 3/5/39 784 recurrent, ref. CH200
CH201 southern 2005.12.16-2005.12.17 2005.12.19-2005.12.20

3/4/22

  recurrent, ref. CH199
CH200 trans equatorial 2005.11.28-2005.11.30 2005.11.29-2005.12.03

3/4/32

768 recurrent, ref. CH196
stream arrived late on Nov.29
CH199 southern 2005.11.20+2005.11.23 2005.11.23-2005.11.25

2/4/22

536  
CH198 trans equatorial 2005.11.16 2005.11.19-2005.11.20

2/4/27

427  
CH197 southern 2005.11.12-2005.11.13 none

-/-/-

  probably too far to the south
CH196 northern 2005.11.07-2005.11.08 2005.11.11-2005.11.14

3/4/27

445 recurrent, ref. CH192
CH195 trans equatorial 2005.11.01-2005.11.03 2005.11.02-2005.11.07

3/5/56

756 recurrent, ref. CH191
CH194 trans equatorial 2005.10.22-2005.10.23 2005.10.24-2005.10.27

3/4/32

532 recurrent, ref. CH189
CH193 southern 2005.10.20-2005.10.21 none

-/-/-

  recurrent, ref. CH188
CH192 northern 2005.10.12-2005.10.13 2005.10.16-2005.10.17

2/4/32

418 new
CH191 trans equatorial 2005.10.05-2005.10.07 2005.10.07-2005.10.10

3/4/32

716 recurrent, ref. CH187
CH190 northern 2005.10.02 none

-/-/-

  recurrent, ref. CH186
CH189 trans equatorial 2005.09.27 2005.09.30-2005.10.02

3/4/32

550 recurrent, ref. CH185
CH188 southern 2005.09.24 none

-/-/-

  recurrent, ref. CH184, probably too far to the south
CH187 trans equatorial 2005.09.09-2005.09.11  

-/-/-

  recurrent, ref. CH181
no disturbance observed due to extreme CME activity
CH186 northern 2005.09.05-2005.09.06  

-/-/-

  recurrent, ref. CH180, still poorly defined
no disturbance observed due to CME
CH185 northern 2005.09.01-2005.09.02 2005.09.03-2005.09.05

3/5/56

893 recurrent, ref. CH179
CH184 southern 2005.08.27-2005.08.28 2005.08.30-2005.09.02

4/6/94

579 recurrent, ref. CH178B
CH183 southern 2005.08.21-2005.08.22 2005.08.24.2005.08.26

3/5/39

>700 recurrent, ref. CH177, disturbance interrupted by much stronger CME disturbance 06 UTC Aug.24 - early Aug.25
CH182 southern 2005.08.17-2005.08.18 2005.08.21-2005.08.23

3/4/22

588 recurrent, ref. CH176
CH181 trans equatorial 2005.08.13-2005.08.15 2005.08.15-2005.08.18

3/4/27

799 recurrent, ref. CH175
CH180 northern 2005.08.08-2005.08.09 2005.08.13

3/4/32

588 poorly defined
CH179 northern 2005.08.05-2005.08.06  

-/-/-

  small, elongated on E-W axis, no significant disturbance observed
CH178 trans equatorial 2005.08.04 2005.08.06-2005.08.07

3/5/39

907 new, poorly defined
CH178B southern 2005.08.02 2005.08.05-2005.08.06

5/5/48

569 recurrent, ref. CH174
CH177 trans equatorial 2005.07.25-2005.07.26 2005.07.27-2005.07.30

3/5/56

661 recurrent, ref. CH173
CH176 southern / trans equatorial 2005.07.22 none

-/-/-

  recurrent, ref. CH172
CH175 trans equatorial 2005.07.17-2005.07.19 2005.07.19-2005.07.22

3/5/56

674 recurrent, ref. CH171
CH174 southern 2005.07.05-2005.07.06 2005.07.09

3/4/22

367 inconclusive data
CH173 trans equatorial 2005.06.28-2005.06.30 2005.07.01-2005.07.03

3/4/32

745 recurrent, ref. CH169
CH172 southern 2005.06.24-2005.06.25 none

-/-/-

   
CH171 northern 2005.06.20-2005.06.22 2005.06.23-2005.06.25

4/7/154

566 recurrent, ref. CH167
CH170 northern 2005.06.11-2005.06.13  

-/-/-

  uncertain if any disturbance due to several CMEs
CH169 northern 2005.06.01-2005.06.03 2005.06.04-2005.06.06

3/5/48

689 recurrent, ref. CH163
CH168 southern 2005.05.29 2005.06.02-2005.06.03

2/3/15

449  
CH167 northern 2005.05.24-2005.05.26 2005.05.28-2005.05.29

3/4/22

451 recurrent, ref. CH162, smaller this rotation
CH166 northern 2005.05.17 2005.05.20

-/-/-

  recurrent, ref. CH159, disturbance mixed with CME
CH165 southern 2005.05.13-2005.05.14  

-/-/-

  not observable due to CME
CH164 northern 2005.05.10-2005.05.12  

-/-/-

559 uncertain due to other disturbances
CH163 northern 2005.05.06-2005.05.07 2005.05.07-2005.05.10

4/6/94

700+ recurrent, ref. CH157
strong CME on May 8
CH162 northern 2005.04.27-2005.04.29 2005.04.29-2005.05.02

3/6/67

705 recurrent, ref. CH154
CH161 trans equatorial 2005.04.23 none

-/-/-

   
CH160 southern 2005.04.20 2005.04.23-2005.04.25

2/4/27

584  
CH159 northern 2005.04.19-2005.04.20 2005.04.22

2/3/15

466 recurrent, ref. CH153
CH158 southern 2005.04.15-2005.04.17 2005.04.18-2005.04.21

2/5/48

551  
CH157 northern 2005.04.09-2005.04.10 2005.04.11-2005.04.15

4/6/67

652 recurrent, ref. CH152
CH156 trans equatorial 2005.04.05 none

-/-/-

  recurrent, ref. CH151
CH155 southern 2005.04.03 none

-/-/-

  probably too far south
CH154 northern 2005.03.31-2005.04.02 2005.04.04-2005.04.06

4/7/132

700 recurrent, ref. CH149
CH153 trans equatorial 2005.03.21-2005.03.23 2005.03.24-2005.03.27

3/5/39

704 recurrent, ref. CH148
CH152 northern 2005.03.13-2005.03.14 2005.03.16-2005.03.19

3/5/39

539 recurrent, ref. CH145, smaller this rotation
CH151 trans equatorial 2005.03.10 2005.03.13-2005.03.14

3/5/39

446 recurrent, ref. CH146
CH150 trans equatorial 2005.03.02 2005.03.05

2/3/18

422 recurrent, ref. CH143
CH149 northern 2005.03.03-2005.03.07 2005.03.06-2005.03.10

4/6/94

845 recurrent, ref. CH144
CH148 trans equatorial 2005.02.23-2005.02.24 2005.02.26-2005.03.01

3/4/22

712 recurrent, ref. CH142
CH147 northern 2005.02.20-2005.02.22 2005.02.24-2005.02.25

2/3/18

581 western part not yet fully developed
CH146 southern 2005.02.11 2005.02.14-2005.02.15

2/2/7

441 disturbance effects significantly stronger for radio propagation
CH145 northern 2005.02.13-2005.02.15 2005.02.16-2005.02.18

3/5/48

625 recurrent, ref. CH140
CH144 northern 2005.02.04-2005.02.06 2005.02.07-2005.02.10

4/6/94

881 recurrent, ref. CH139
CH143 southern 2005.02.03 2005.02.06

2/4/22

446 recurrent, ref. CH138
CH142 northern / trans equatorial 2005.01.27-2005.01.29 2005.01.29-2005.01.31

3/4/39

775 recurrent, ref. CH136
CH141 southern 2005.01.25-2005.01.26 2005.01.28-3005.01.29

2/4/27

433  
CH140 northern 2005.01.18-2005.01.20 2005.01.22-2005.01.24

3/4/27

765 recurrent, ref. CH135
onset not observable due to extreme solar storm
CH139 northern 2005.01.09-2005.01.11 2005.01.11-2005.01.15

3/6/67

839 recurrent, ref. CH133
CH138 southern 2005.01.06-2005.01.07 2005.01.10-2005.01.11

2/4/27

545 recurrent, ref. CH132
CH137 northern 2004.12.29 2005.01.01

3/4/27

525  
CH136 trans equatorial 2004.12.31-2005.01.02 2005.01.02-2005.01.05

4/5/56

975* recurrent, ref. CH131
*) possibly influenced by CME
CH135 northern 2004.12.23-2004.12.24 2004.12.25-2004.12.27

2/4/27

574 recurrent, ref. CH129
CH134 southern 2004.12.18 2004.12.21-2004.12.22

3/5/48

561 recurrent, ref. CH128
CH133 northern 2004.12.13-2004.12.14 2004.12.16-2004.12.18

3/4/27

669 recurrent, ref. CH127
CH132 southern 2004.12.09-2004.12.10 2004.12.14

2/3/18

433  
CH131 trans equatorial 2004.12.04-2004.12.05 2004.12.07-2004.12.09

3/5/39

553 recurrent, ref. CH125
CH130 northern 2004.11.30-2004.12.01 none, not a coronal hole?

 

  recurrent, ref. CH123
CH129 trans equatorial 2004.11.26-2004.11.28 2004.11.29-2004.12.02

3/5/48

729 recurrent, ref. CH122, much larger this rotation
CH128 southern 2004.11.21-2004.11.23 2004.11.25-2004.11.26

3/5/39

556 recurrent, ref. CH121
CH127 northern 2004.11.15-2004.11.18 2004.11.19-2004.11.22

3/5/48

627 recurrent, ref. CH120
CH126 southern 2004.11.10-2004.11.11 2004.11.14

2/4/27

  recurrent, ref. CH119
CH125 trans equatorial 2004.11.08  

-/-/-

  no observations due to solar storms
CH124 southern 2004.11.04-2004.11.05  

-/-/-

  recurrent, ref. CH118
no observations due to extreme solar storm
CH123 northern 2004.11.03  

-/-/-

  no observations due to extreme solar storm
CH122 northern / trans equatorial 2004.10.30-2004.10.31 2004.11.03-2004.11.04

3/4/22

448 recurrent, ref. CH117
CH121 southern 2004.10.25-2004.10.26 2004.10.29-2004.10.31

3/4/27

468 new
CH120 northern 2004.10.19-2004.10.22 2004.10.24-2004.10.25

3/4/27

533 recurrent, ref. CH115
CH119 southern 2004.10.14-2004.10.15 2004.10.18-2004.10.20

2/2/7

383 recurrent, ref. CH114
CH118 southern 2004.10.08-2004.10.09 2004.10.11-2004.10.14

4/5/61

545 recurrent, ref. CH113
CH117 trans equatorial 2004.10.03-2004.10.04 2004.10.08-2004.10.09

2/3/11

371 new
CH116 northern 2004.09.29-2004.09.30 2004.10.02-2004.10.04

3/4/32

387 recurrent, ref. CH112
CH115 northern 2004.09.24-2004.09.25 2004.09.27-2004.09.29

2/3/15

417 recurrent, ref. CH111
CH114 southern / trans equatorial 2004.09.17-2004.09.18 2004.09.20-2004.09.22 3/4/33 450 recurrent, ref. CH110
CH113 southern 2004.09.11-2004.09.12 2004.09.15 3/3/16 ~600 no observations due to CME effects on Sept. 13 and 14
CH112 northern 2004.09.03-2004.09.05 2004.09.05-2004.09.08 3/4/31 495 recurrent, ref. CH109
CH111 northern 2004.08.27-2004.08.29 2004.08.30-2004.09.01 4/6/65 561 disturbance began late on Aug.30
CH110 southern 2004.08.21 2004.08.25 3/3/11   recurrent, ref. CH106
very weak disturbance
CH109 northern 2004.08.08-2004.08.09 2004.08.10-2004.08.12 3/4/23 706 recurrent
CH108 southern 2004.08.07 2004.08.09-2004.08.10 3/4/26 580  
CH107 northern 2004.08.03 2004.08.06-2004.08.08 3/5/51 535 recurrent, ref. CH104
CH106 southern 2004.07.25-2004.07.26 2004.07.28 3/3/18   extreme geomagnetic storm due to CME on July 27
CH105 trans equatorial 2004.07.09 2004.07.12-2004.07.13 3/4/-   recurrent, ref. CH102
CH104 northern 2004.07.07-2004.07.08 2004.07.11-2004.07.12 3/4/-    
CH103 trans equatorial 2004.06.26-2004.06.27 2004.06.28-2004.07.02 3/4/30 600 recurrent, ref. CH99
CH102 trans equatorial 2004.06.14-2004.06.15 2004.06.17-2004.06.18 2/3/14 567 recurrent, ref. CH97
CH101 southern 2004.06.12 2004.06.14-2004.06.16 3/5/36 586 recurrent, ref. CH96
CH100 northern 2004.06.04 2004.06.06-2004.06.07 3/4/23 526 recurrent, ref. CH95
CH99 southern / trans equatorial 2004.05.30-2004.05.31 2004.06.02-2004.06.05 3/3/17 546 recurrent, ref. CH94
CH98 northern 2004.05.25-2004.05.29 2004.05.28-2004.06.02 3/4/22 586 recurrent, ref. CH93
CH97 northern 2004.05.19-2004.05.20 2004.05.22-2004.05.25 3/4/23 552 recurrent, ref. CH92
CH96 southern 2004.05.17 2004.05.20-2004.05.21 3/5/43 557 recurrent, ref. CH91
CH95 northern 2004.05.07 2004.05.10-2004.05.11 3/3/15 435 small
CH94 trans equatorial 2004.05.01-2004.05.04 2004.05.04-2004.05.08 3/4/28 670 recurrent, eastern part of CH88
CH93 northern (2004.04.29-2004.04.30) not geoeffective, too far
to the north?
-/-/-   recurrent, western part of CH88
CH92 northern 2004.04.23-2004.04.25 2004.04.28 2/4/21 615 recurrent, ref CH87
CH91 southern 2004.04.19-2004.04.20 2004.04.23 3/5/43 481  
CH90 northern 2004.04.13-2004.04.14 2004.04.16-2004.04.17 3/3/17 466  
CH89 southern 2004.04.12 2004.04.15-2004.04.16 3/4/30 421  
CH88 northern / trans equatorial 2004.04.01-2004.04.07 2004.04.05-2004.04.09 4/5/41 633 recurrent, ref. CH84
CH87 northern 2004.03.25-2004.03.27 2004.03.27-2004.03.31 3/5/40 985 recurrent, ref. CH83
CH86 northern 2004.03.16-2004.03.17 2004.03.20-2003.04.21 3/4/26 461 recurrent, has extended southwards since the previous rotation
CH85 northern 2004.03.20 2004.03.25 3/3/17 459 recurrent, ref. CH82
CH84  trans equatorial 2004.03.07-2004.03.11 2004.03.09-2004.03.15 4/6/95 908 recurrent, ref. CH80
CH83 northern / trans equatorial 2004.02.26-2004.02.29 2004.02.28-2004.03.03 3/5/49 960 recurrent, ref. CH79 and CH78
CH82 northern 2004.02.22-2004.02.23 2004.02.27 3/4/21 464  
CH81 southern (2004.02.17) not geoeffective -/-/-   small, was further south and not geoeffective during previous rotation
CH80 trans equatorial 2004.02.09-2004.02.13 2004.02.11-2004.02.16 4/6/66 967 recurrent, ref. CH76
CH79 southern 2004.01.30-2004.02.01 not possible to discern from CH78 stream -/-/-   recurrent, ref. CH74 - southern part
CH78 northern 2004.01.28-2004.02.02 2004.01.30-2004.02.05 3/5/46 852 recurrent, ref. CH74 - northern part
CH77 trans equatorial 2004.01.24-2004.01.25 2004.01.28 3/5/41 599 recurrent, ref. CH73
CH76 trans equatorial 2004.01.13-2004.01.17 2004.01.15-2004.01.20 3/5/36 738 recurrent, ref. CH72
CH75 northern 2004.01.09 2004.01.11 4/4/30 732  
CH74 trans equatorial 2004.01.01-2004.01.05 2004.01.03-2004.01.06 4/5/58 700 recurrent, ref CH71. CME impact late on Jan.6 cut off high speed stream
CH73 trans equatorial 2003.12.28-2003.12.29 2003.12.31-2004.01.01 4/5/48 597 recurrent, ref CH70
CH72 northern / trans equatorial 2003.12.17-2003.12.20 2003.12.20-2003.12.22 4/4/34 682 recurrent, ref CH68 and CH69
CH71 southern / trans equatorial 2003.12.05-2003.12.11 2003.12.08-2003.12.15 4/6/69 879 recurrent, ref CH66
CH70 trans equatorial 2003.12.01-2003.12.02 2003.12.04-2003.12.06 4/6/84 526 recurrent, ref CH65
CH69 southern 2003.11.22 2003.11.24-2003.11.26 3/4/21 706 new
CH68 northern 2003.11.20-2003.11.21 2003.11.22-2003.11.24 4/5/52 601 recurrent, ref. CH64
CH67 northern (2003.11.15-2003.11.16)       not geoeffective,
too far to the
north?
CH66 southern / trans equatorial 2003.11.09-2003.11.14 2003.11.10-2003.11.18 5/6/95 871 recurrent, ref. CH63
CH65 northern / trans equatorial 2003.11.05-2003.11.06 2003.11.08-2003.11.10 3/6/68 602 new, poorly defined
CH64 northern 2003.10.25-2003.10.26       recurrent, ref. CH60, CMEs dominated the solar wind at possible time of stream arrival
CH63 southern / trans equatorial 2003.10.12-2003.10.18 2003.10.14-2003.10.22 4/7/106 744 recurrent, ref. CH57, much smaller this rotation, merged
with CH59
CH62 trans equatorial 2003.10.10 2003.10.13-2003.10.14 3/4/25 537 recurrent, ref. CH58
CH61 northern / trans equatorial 2003.10.03-2003.10.04 2003.10.05-2003.10.09 3/4/24 734 recurrent, ref. CH55
CH60 northern

 
recurrent, ref. CH54
not geoeffective, too far to the north?
CH59 southern 2003.09.18-2003.09.21 2003.09.21-2003.09.26 4/5/54 787
CH58 southern 2003.09.13 early 2003.09.17?  
new, closed
on 2003.09.14
CH57 trans equatorial 2003.09.14-2003.09.17 2003.09.17-2003.09.21 5/7/129 965 recurrent, ref. CH52
CH56 northern 2003.09.13 see CH58  
closed
on 2003.09.14
CH55 trans equatorial 2003.09.06-2003.09.08 2003.09.08-2003.09.12 3/4/38 808 recurrent, ref. CH51
CH54 northern / trans equatorial 2003.08.30-2003.09.02 2003.09.01-2003.09.06 3/4/32 778 recurrent, ref. CH50
CH53 southern 2003.08.25-2003.08.26 2003.08.28-2003.08.29 3/4/28 677 recurrent, ref. CH49, retreating
CH52 northern / trans equatorial 2003.08.17-2003.08.21 2003.08.20-2003.08.25 5/7/122 944 partly recurrent,
eastern part was
CH49 during the
previous rotation
CH51 northern / trans equatorial 2003.08.08-2003.08.12 2003.08.11-2003.08.15 3/5/42 769 recurrent, ref. CH48, appears
to be merging
with CH50
CH50 northern 2003.08.04-2003.08.05 2003.08.07-2003.08.09 4/5/- 865 recurrent, ref. CH47
CH49 southern 2003.07.24-2003.07.29 2003.07.26-2003.08.01 4/5/59 980 recurrent, ref. CH46
CH48 northern / trans equatorial 2003.07.12-2003.07.16 2003.07.15-2003.07.19 4/6/101 723 recurrent, ref. CH44
CH47 northern / trans equatorial 2003.07.08-2003.07.09 2003.07.11-2003.07.13 5/7/128 777 recurrent, ref. CH43
CH46 southern / trans equatorial 2003.06.24-2003.07.02 2003.06.26-2003.07.06 4/6/75 815 recurrent, ref. CH42
CH45 southern 2003.06.18-2003.06.22 2003.06.21-2003.06.26 4/5/57 583 recurrent, ref. CH41
CH44 northern / trans equatorial 2003.06.16-2003.06.17 2003.06.18-2003.06.19 4/4/34 665 recurrent, ref. CH40
CH43 northern / trans equatorial 2003.06.11 2003.06.13-2003.06.15 4/4/27 530 recurrent, ref. CH39
CH42 southern / trans equatorial 2003.05.29-2003.06.06 2003.06.01-2003.06.11 4/6/82 881 recurrent, ref. CH38
CH41 southern 2003.05.24-2003.05.25 2003.05.27-2003.05.29 4/6/65 716 recurrent, ref. CH37
CH40 trans equatorial 2003.05.18-2003.05.21 2003.05.21-2003.05.25 4/5/40 581 recurrent, ref. CH36
CH39 trans equatorial 2003.05.15-2003.05.16 2003.05.18-2003.05.20 3/4/20 454 recurrent, ref. CH33 and CH34
CH38 southern 2003.05.02-2003.05.10 2003.05.04-2003.05.09
2003.05.11-2003.05.16
4/6/73 787 recurrent, ref. CH31 and CH32
CH37 southern 2003.04.26-2003.04.27 2003.04.29-2003.05.02 4/6/79 715 recurrent, ref. CH29.
CH36 trans equatorial 2003.04.23-2003.04.24 2003.04.27-2003.04.28 3/5/45 552 recurrent, ref. CH28 which has migrated southwards
CH35 southern 2003.04.21-2003.04.22 2003.04.24-2003.04.25 4/5/49 595 recurrent, ref. CH27, much smaller this rotation
CH34 northern 2003.04.18-2003.04.19 2003.04.20-2003.04.22 4/5/39 627 recurrent, ref. CH26 (northern part)
CH33 southern 2003.04.18 uncertain due to overlapping CH34 stream  
recurrent, ref. CH26 (southern part)
CH32 southern / trans equatorial 2003.04.11-2003.04.13 2003.04.14-2003.04.19 4/6/80 774 recurrent, ref. CH25 (eastern part)
CH31 southern / trans equatorial 2003.04.06-2003.04.09 2003.04.09-2003.04.12 3/5/50 748  recurrent, ref. CH25 (western part)
CH30 southern 2003.04.05 uncertain      new, effects from a CME may have mixed with this disturbance on April 9
CH29 southern 2003.03.29-2003.03.31 2003.04.03-2003.04.05 4/5/42 509 recurrent, ref. CH24
CH28 northern 2003.03.28 2003.04.01-2003.04.02 3/4/29 561 recurrent, ref. CH23
CH27 southern 2003.03.25-2003.03.27 2003.03.29-2003.04.01 4/6/69 663 recurrent, ref. CH22.
CH26 northern / trans equatorial 2003.03.22-2003.03.23 2003.03.26-2003.03.28 4/5/48 549 recurrent, ref. CH21. Larger this rotation
CH25 southern / trans equatorial 2003.03.11-2003.03.19 2003.03.13-2003.03.24 4/6/72 834 recurrent, ref. CH20
CH24 southern 2003.03.02-2003.03.03 2003.03.05-2003.03.07 4/5/42 569 new
CH23 northern 2003.03.01 2003.03.03-2003.03.05 4/5/41 572 recurrent, ref. CH18. Smaller this rotation.
CH22 southern (2003.02.26-
2003.02.27)
      new, too far south to be geoeffective
CH21 trans equatorial 2003.02.23-2003.02.24 2003.02.26-2003.03.01 4/4/35 662 recurrent, ref. CH16
CH20 southern / trans equatorial 2003.02.13-2003.02.18 2003.02.14-2003.02.23 3/4/35 801 recurrent, ref. CH15
CH19 southern 2003.02.04 2003.02.06-2003.02.10 3/4/26 559 new
CH18 northern / trans equatorial 2003.02.01-2003.02.03 2003.02.03-2003.02.05 4/5/54 684 recurrent, ref. CH13
CH17 northern 2003.01.29-2003.01.30       any geomagnetic effects would have been hidden by CME
CH16 trans equatorial 2003.01.27-2003.01.28 2003.01.29-2003.01.31 4/5/39 620 recurrent, ref. CH12.
CH15 southern / trans equatorial 2003.01.16-2003.01.23 2003.01.18-2003.01.26 3/5/54 810 recurrent, ref. CH11. Has become huge. Easternmost part is exceptionally well defined
CH14 northern 2003.01.10 2003.01.14-2003.01.15 3/3/15 425 new and small
CH13 northern / trans equatorial 2003.01.06 2003.01.09-2003.01.11 3/3/19 492 recurrent, ref. CH9. Merged with northern polar coronal hole
CH12 trans equatorial 2002.12.31-2003.01.01 2003.01.02-2003.01.04 3/4/34 654 recurrent, ref. CH8.
CH11 trans equatorial 2002.12.24-2002.12.25 2002.12.26-2002.12.30 4/6/73 778 recurrent, ref. CH6.
CH10 southern / trans equatorial 2002.12.15-2002.12.16 2002.12.19-2002.12.20 3/5/36 560 recurrent, ref. CH4. Has extended further into the northern hemisphere.
CH9 southern 2002.12.10-2002.12.11 2002.12.13-2002.12.16 2/3/18 582 recurrent, ref. CH3. Has lost most of its area.
CH8 trans equatorial 2002.12.04 2002.12.06-2002.12.08 3/4/25 707 new and poorly defined
CH7 northern 2002.12.04   -/-/-   recurrent, ref. CH2. Size has decreased.
CH6 trans equatorial 2002.11.27-2002.11.28 2002.11.29-2002.12.03 3/4/25 602 recurrent, ref. CH1
CH5 southern 2002.11.24 none     any geomagnetic effects would have been hidden by CME
CH4 trans equatorial 2002.11.18-2002.11.19 2002.11.20-2002.11.25 4/7/144 715 possibly an extension of southern polar coronal hole
CH3 trans equatorial 2002.11.12-2002.11.13 2002.11.15-2002.11.16 3/3/14 510  
CH2 northern 2002.11.07 2002.11.10-2002.11.11 2/4/20 near 600 sandwiched between two CMEs
CH1 trans equatorial 2002.10.31-2002.11.02 2002.11.02-2002.11.07 4/4/35 618