• CME heights (with respect to the disk center) are measured at the fastest segment of the leading edge.
  • PA= Position Angle measured from Solar North in degrees (counter-clockwise)
  • Halo CMEs are indicated in the "Central PA" column. The letters ("S", "BA", "OA") in the brackets show type of halo CMEs. See examples.
  • Click on date to view Java script movie of the CME.
  • Click on time to see height-time measurements as a text file.
  • Click on speed to view height-time plots of the CME.
  • Beware of data gaps. Check for LASCO/C2 data gaps here.

  • A complete description of the catalog
  • Click here to search the entire catalog.

    First C2 Appearance
    Date Time [UT]
    Central
    PA
    [deg]
    Angular
    Width [deg]
    Linear
    Speed [km/s]
    2nd-order Speed at final height [km/s] 2nd-order Speed at 20 Rs [km/s] Accel
    [m/s2]
    Mass
    [gram]
    Kinetic
    Energy
    [erg]
    MPA [deg] Movies, plots, & links Remarks
    2001/08/02 20:52:53 298 67 511 872 0 120.7*1 9.4e+14*2 1.2e+30*2 296 C2 195 SXT PHTX DST Java Movie Poor Event; Only 3 points; Only C3
    2001/08/02 20:52:53 59 >123 453 579 537 7.7*1 3.0e+15*2 3.0e+30*2 48 C2 195 SXT PHTX DST Java Movie UVCS Uncertain Width; Partial Halo
    2001/08/02 21:54:05 245 8 583 418 67 -23.6*1 ---- ---- 240 C2 195 SXT PHTX DST Java Movie
    2001/08/03 16:54:06 108 13 651 534 392 -19.4 ---- ---- 108 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/04 03:30:11 140 40 160 --- --- --- 1.2e+14*2 1.5e+28*2 138 C2 C3 195 SXT PHTX DST Java Movie Difficult to measure the width; Very Poor Event; Only 2 points; Only C2
    2001/08/04 08:06:05 301 108 351 417 451 5.0 3.1e+15 1.9e+30 320 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/05 02:54:05 194 98 168 182 414 6.1*1 5.6e+14 7.8e+28 206 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    2001/08/05 04:06:05 13 63 397 345 0 -18.8 1.3e+15 1.0e+30 11 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/05 10:30:20 106 16 468 602 1025 40.4*1 ---- ---- 112 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/06 03:06:06 261 32 268 347 465 7.8 3.3e+14 1.2e+29 266 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/06 19:54:05 248 11 409 298 0 -18.3*1 ---- ---- 252 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/07 06:30:05 110 15 901 662 445 -47.0 ---- ---- 113 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/07 16:30:05 259 37 428 373 192 -8.1 5.3e+14 4.9e+29 261 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/08/07 18:30:05 12 79 172 258 596 14.8*1 2.4e+15 3.5e+29 13 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/07 20:30:05 251 23 495 493 486 -0.5*1 2.3e+14 2.8e+29 255 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/08/08 07:54:05 278 25 284 281 199 -1.8*1 2.0e+14*2 8.1e+28*2 282 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/09 09:54:05 287 52 249 368 872 32.1*1 1.3e+15 4.1e+29 287 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/09 10:30:21 285 175 479 526 544 4.4*1 3.6e+15*2 4.1e+30*2 255 C2 C3 195 SXT PHTX DST Java Movie Not fastest feature; Partial Halo
    2001/08/09 20:06:05 202 14 305 333 350 1.9 ---- ---- 211 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/09 21:30:08 125 >100 909 965 949 7.2 6.3e+15 2.6e+31 125 C2 C3 195 SXT PHTX DST Java Movie Uncertain Width
    2001/08/10 02:06:05 259 106 376 346 257 -4.0*1 2.3e+15 1.6e+30 253 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/08/10 21:08:04 45 9 548 780 1218 58.6 ---- ---- 42 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/11 01:54:05 272 83 357 303 0 -8.7 8.8e+14 5.6e+29 275 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/08/11 04:30:05 312 32 442 706 876 30.3 3.0e+15 3.0e+30 313 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/11 05:30:05 113 32 267 294 379 4.1 2.7e+14 9.7e+28 107 C2 C3 195 SXT PHTX DST Java Movie Only C3
    2001/08/11 05:54:05 218 19 374 312 59 -7.8 ---- ---- 223 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/11 18:18:05 313 54 276 356 451 8.5 4.6e+14 1.8e+29 316 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/12 01:31:48 248 27 861 824 425 -27.6*1 1.4e+14*2 5.3e+29*2 245 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    2001/08/12 08:06:05 310 23 246 237 0 -3.0 ---- ---- 305 C2 C3 195 SXT PHTX DST Java Movie UVCS Only C2
    2001/08/12 10:34:03 58 91 540 572 611 4.7 5.4e+15 7.8e+30 58 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/12 16:30:05 235 48 361 304 144 -6.3 2.5e+14 1.7e+29 233 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/12 17:30:07 293 53 265 295 385 3.8 5.2e+14 1.8e+29 308 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/08/12 19:54:05 291 64 362 382 396 1.6*1 8.8e+14 5.8e+29 313 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/08/13 01:31:45 264 112 320 271 46 -5.5*1 3.2e+14 1.6e+29 224 C2 C3 195 SXT PHTX DST Java Movie Difficult to measure the width
    2001/08/13 14:30:05 268 114 332 260 58 -6.5 2.5e+15 1.4e+30 308 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/13 18:54:05 288 79 204 184 0 -2.7*1 6.6e+14 1.4e+29 304 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/13 22:30:06 160 44 579 580 585 0.4 1.2e+15 2.0e+30 158 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/13 23:54:05 60 66 643 612 218 -17.0*1 9.6e+14*2 2.0e+30*2 61 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/14 16:01:28 Halo (BA) 360 618 601 625 -4.8*1 ---- ---- 38 C2 C3 195 SXT PHTX DST Java Movie UVCS MailLog1; Only C3
    2001/08/14 16:30:06 21 46 328 361 448 4.7 1.0e+14 5.5e+28 27 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/14 21:30:08 283 >127 371 391 449 3.3 1.1e+15*2 7.6e+29*2 320 C2 C3 195 SXT PHTX DST Java Movie Uncertain Width; Partial Halo
    2001/08/15 01:31:45 326 37 477 502 642 8.7 4.5e+14 5.1e+29 314 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/15 02:54:05 28 93 370 586 649 16.6 2.5e+15 1.7e+30 29 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/15 05:30:05 306 >99 516 484 339 -8.1 1.3e+15*2 1.7e+30*2 316 C2 C3 195 SXT PHTX DST Java Movie Uncertain Width
    2001/08/15 10:30:22 333 23 311 215 0 -53.7*1 2.9e+14*2 1.4e+29*2 333 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/15 23:54:05 Halo (BA) 360 1575 1413 1503 -31.7 1.0e+16*2 1.3e+32*2 189 C2 C3 195 SXT PHTX DST Java Movie UVCS MailLog1
    2001/08/16 06:32:33 201 19 482 459 460 -1.7 ---- ---- 210 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/16 06:32:33 284 51 180 283 412 7.5*1 4.2e+15 6.8e+29 275 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/16 10:32:50 272 59 928 679 834 -32.5 1.3e+16 5.5e+31 282 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/16 23:54:05 65 40 278 331 496 8.1*1 2.7e+14 1.1e+29 54 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/17 00:54:54 240 >156 503 422 446 -5.6 8.0e+15*2 1.0e+31*2 235 C2 C3 195 SXT PHTX DST Java Movie Uncertain Width; Partial Halo
    2001/08/17 08:06:05 133 30 1003 1099 1098 16.5 2.8e+14 1.4e+30 147 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/17 13:31:44 69 25 281 339 435 6.1*1 2.1e+14 8.3e+28 59 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/17 15:30:05 287 24 937 791 311 -42.9*1 2.7e+14*2 1.2e+30*2 279 C2 C3 195 SXT PHTX DST Java Movie Only 3 points
    2001/08/18 06:31:35 334 66 144 404 396 6.5 2.2e+15 2.3e+29 331 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/18 14:31:33 168 29 223 295 711 20.0*1 3.4e+14 8.3e+28 167 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/19 04:31:30 74 7 411 349 183 -8.3 ---- ---- 70 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/19 06:06:05 Halo (OA) 360 556 645 601 5.4 4.2e+15*2 6.4e+30*2 289 C2 C3 195 SXT PHTX DST Java Movie Not LE
    2001/08/19 09:30:05 120 12 584 680 1127 43.3*1 ---- ---- 123 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/19 11:30:06 261 89 157 157 158 0.0*1 4.2e+14 5.2e+28 263 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/19 13:32:18 98 29 133 186 313 3.8 8.1e+14 7.2e+28 91 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/19 21:30:08 161 143 603 530 500 -9.6*1 1.5e+15*2 2.7e+30*2 171 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    2001/08/20 00:54:05 30 28 231 247 299 1.7 1.8e+14 4.7e+28 33 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/20 12:54:05 228 32 323 336 427 3.5 2.5e+14 1.3e+29 219 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/20 17:26:05 267 25 176 291 1501 92.4*1 1.0e+14*2 1.6e+28*2 262 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    2001/08/20 19:50:05 98 43 255 221 0 -9.0 4.7e+14 1.5e+29 102 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/20 20:06:06 155 36 592 782 1305 64.2 2.3e+14 4.1e+29 155 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/21 05:26:05 346 22 390 429 533 6.6*1 3.8e+14 2.9e+29 346 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/21 11:06:05 102 44 196 184 0 -3.5 3.2e+14 6.1e+28 108 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/21 12:06:06 239 128 623 705 718 9.0 7.0e+15*2 1.4e+31*2 238 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    2001/08/21 15:26:06 155 49 299 411 567 11.7 7.2e+14 3.2e+29 152 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/21 17:06:05 108 29 143 254 1218 61.5*1 2.6e+14*2 2.7e+28*2 108 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/21 17:06:05 232 34 501 541 574 4.9 ---- ---- 239 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/21 19:50:06 237 48 354 430 460 5.6 6.6e+14 4.1e+29 235 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/21 20:27:16 108 32 227 147 0 -8.0 8.4e+14 2.2e+29 113 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/21 21:50:05 59 51 148 279 344 4.9*1 2.4e+15 2.6e+29 49 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/21 22:27:12 106 35 192 196 264 1.4*1 ---- ---- 106 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/22 08:06:06 137 16 1003 681 0 -245.6*1 ---- ---- 133 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    2001/08/22 20:50:07 239 31 676 729 1074 33.2*1 3.6e+14*2 8.1e+29*2 239 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/23 04:50:06 349 52 342 374 607 11.3 3.1e+14 1.8e+29 4 C2 C3 195 SXT PHTX DST Java Movie UVCS Only C2
    2001/08/23 18:50:05 72 80 755 --- --- --- 1.7e+14*2 5.0e+29*2 62 C2 C3 195 SXT PHTX DST Java Movie Only 2 points; Only C2
    2001/08/24 09:06:05 63 20 607 567 532 -5.9*1 5.0e+14 9.3e+29 61 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/24 09:26:05 118 58 341 474 442 6.2 6.6e+15 3.8e+30 122 C2 C3 195 SXT PHTX DST Java Movie UVCS
    2001/08/24 10:50:06 82 16 317 268 0 -27.6*1 ---- ---- 82 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/24 11:50:05 155 11 805 762 649 -13.5 ---- ---- 148 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/24 21:26:08 127 13 384 334 0 -16.2*1 ---- ---- 127 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/25 00:50:05 133 39 484 324 0 -21.2*1 8.5e+14 9.9e+29 124 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/25 05:50:05 176 16 727 779 1258 47.5*1 ---- ---- 173 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    2001/08/25 07:27:17 129 25 444 648 1528 101.4*1 2.3e+14*2 2.3e+29*2 136 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    2001/08/25 09:50:05 133 30 513 615 688 13.5 1.0e+15 1.4e+30 129 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/25 13:50:05 126 7 251 334 727 22.3 ---- ---- 129 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/25 16:50:05 Halo (OA) 360 1433 1189 1327 -46.8 7.9e+15*2 8.1e+31*2 119 C2 C3 195 SXT PHTX DST Java Movie MailLog1
    2001/08/25 21:26:09 265 46 315 264 0 -27.7*1 5.6e+14*2 2.8e+29*2 267 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/25 22:27:13 264 34 427 542 564 9.1 1.3e+15 1.2e+30 268 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/26 07:27:15 287 78 530 452 244 -13.5*1 1.4e+15 2.0e+30 285 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/26 09:26:05 60 58 231 276 559 11.5*1 2.6e+14 7.0e+28 68 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/26 11:26:05 274 20 234 242 304 1.7 4.1e+14 1.1e+29 271 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/26 13:27:14 83 65 241 299 669 17.2*1 8.3e+14 2.4e+29 84 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/26 19:27:20 263 27 164 151 0 -2.8*1 1.3e+14 1.7e+28 265 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/27 01:50:05 225 16 642 626 623 -1.9 ---- ---- 227 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/27 02:27:08 244 64 330 422 817 25.5*1 1.4e+14 7.5e+28 235 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/27 13:27:17 226 21 711 505 0 -94.4*1 1.6e+14*2 4.0e+29*2 230 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/27 17:26:05 258 71 408 407 403 -0.2 1.3e+15 1.1e+30 260 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/28 02:06:05 53 16 350 452 974 37.2*1 ---- ---- 57 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/28 03:26:05 93 50 218 243 606 13.4*1 1.1e+14*2 2.5e+28*2 89 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/28 08:50:05 116 62 283 417 409 5.8*1 3.9e+15 1.5e+30 115 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/28 09:06:05 51 20 327 510 664 17.3 ---- ---- 48 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/28 10:06:06 50 21 377 561 689 19.6 2.8e+13 2.0e+28 52 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/28 16:27:07 105 148 478 504 530 3.3*1 4.1e+15*2 4.7e+30*2 97 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    2001/08/28 20:50:05 106 96 ---- --- --- --- 2.7e+14*2 1.3e+24*2 102 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2; Unable to measure
    2001/08/28 22:27:14 236 4 631 --- --- --- ---- ---- 235 C2 C3 195 SXT PHTX DST Java Movie Only 2 points; Only C2
    2001/08/29 03:26:05 243 8 602 725 852 21.2 ---- ---- 241 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/29 03:26:05 291 46 333 469 1153 52.8*1 3.4e+14 1.9e+29 289 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/29 12:06:05 267 11 866 869 871 0.7 ---- ---- 266 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/29 19:04:23 84 75 317 270 0 -10.3*1 1.5e+15*2 7.7e+29*2 79 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/30 02:50:05 271 10 758 663 653 -12.4 ---- ---- 267 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/30 02:50:05 87 45 187 60 0 -66.3*1 ---- ---- 96 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    2001/08/30 05:26:05 213 37 163 98 0 -35.3*1 2.6e+14*2 3.5e+28*2 210 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/30 09:50:05 129 86 462 593 578 8.8 3.5e+15 3.7e+30 117 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/30 11:26:05 200 8 388 408 447 2.7*1 ---- ---- 197 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/30 15:26:05 221 44 464 520 629 9.3 1.2e+15 1.3e+30 211 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/30 16:06:05 121 18 230 336 727 21.1 ---- ---- 128 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/30 21:26:10 82 76 351 404 876 28.7*1 4.9e+14*2 3.0e+29*2 86 C2 C3 195 SXT PHTX DST Java Movie Only C2
    2001/08/31 09:06:05 101 43 239 213 165 -1.8*1 8.3e+14 2.4e+29 96 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/31 11:26:05 83 37 169 --- --- --- 3.0e+13*2 4.3e+27*2 75 C2 C3 195 SXT PHTX DST Java Movie Only 2 points; Only C2
    2001/08/31 16:11:33 Halo (S) 360 310 --- --- --- ---- ---- 275 C2 C3 195 SXT PHTX DST Java Movie Only 2 points; Only C2
    2001/08/31 23:05:05 131 52 482 419 341 -7.4 6.7e+14 7.8e+29 122 C2 C3 195 SXT PHTX DST Java Movie
    2001/08/31 23:15:05 74 79 452 319 0 -16.1*1 8.3e+14 8.5e+29 64 C2 C3 195 SXT PHTX DST Java Movie

    *1 Acceleration is uncertain due to either poor height measurement or a small number of height-time measurements (See Section 3.4 of Yashiro et al. 2004 for details).
    *2 Mass and Kinetic Energy are uncertain due to poor mass estimate. Mass measurement assumes that the CME material is in the sky-plane. Kinetic Energy is obtained from the mass and linear speed (see Vourlidas et al. 2000 for details).