• 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
    1999/10/06 01:26:48 123 81 234 440 402 7.3 9.5e+15 2.6e+30 123 C2 C3 SXT PHTX DST Java Movie
    1999/10/06 09:26:05 297 38 209 237 628 14.9*1 2.8e+13*2 6.1e+27*2 296 C2 C3 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/06 10:06:05 16 34 297 283 257 -1.3*1 4.1e+14 1.8e+29 10 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/06 16:26:05 254 10 338 352 482 5.2*1 ---- ---- 253 C2 C3 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/06 19:26:46 63 18 362 360 344 -0.6*1 ---- ---- 53 C2 C3 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/06 22:06:55 58 67 390 787 1487 95.4*1 1.5e+14*2 1.2e+29*2 51 C2 C3 SXT PHTX DST Java Movie Very Poor Event; Only 3 points
    1999/10/07 01:50:05 96 64 269 268 251 -0.5*1 1.8e+13 6.5e+27 101 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/07 08:26:05 109 27 769 848 1007 23.2*1 3.3e+14 9.6e+29 108 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/07 11:26:05 25 15 330 146 0 -16.2*1 ---- ---- 22 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/07 12:26:05 315 44 203 221 447 6.8*1 2.0e+13*2 4.2e+27*2 311 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/07 17:26:05 52 91 300 306 313 0.5*1 4.3e+15 1.9e+30 19 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/10/07 21:26:08 48 74 251 401 330 4.0 2.3e+15 7.2e+29 35 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/10/08 19:25:06 28 27 671 595 603 -11.2*1 5.2e+14 1.2e+30 18 C2 C3 195 SXT PHTX DST Java Movie Only C3
    1999/10/09 00:20:10 96 40 625 614 620 -0.8*1 1.2e+14 2.4e+29 96 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/09 02:50:08 173 58 604 603 601 -0.2*1 1.3e+14*2 2.3e+29*2 186 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/09 08:50:08 87 6 593 629 730 9.9*1 ---- ---- 83 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/10 10:00:08 67 15 784 1088 1913 158.0*1 ---- ---- 65 C2 C3 SXT PHTX DST Java Movie Poor Event; Only 3 points
    1999/10/10 12:20:09 86 14 383 269 0 -31.4*1 ---- ---- 76 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/10 22:20:08 81 35 876 790 804 -11.8*1 5.7e+14 2.2e+30 72 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/11 01:20:08 165 13 550 800 1699 122.2*1 ---- ---- 166 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/11 03:20:08 280 73 173 155 0 -3.9*1 8.4e+14 1.3e+29 269 C2 C3 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/11 04:50:08 167 15 574 536 512 -4.8*1 ---- ---- 176 C2 C3 SXT PHTX DST Java Movie
    1999/10/11 05:20:10 266 80 192 207 328 3.2*1 7.8e+14 1.4e+29 264 C2 C3 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/11 10:20:08 298 11 376 431 746 19.0*1 ---- ---- 299 C2 C3 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/11 10:50:08 104 18 423 336 0 -19.5*1 ---- ---- 102 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/11 16:50:09 54 46 188 196 296 2.3*1 4.4e+14 7.8e+28 46 C2 C3 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/11 20:50:08 301 9 779 796 848 6.4*1 ---- ---- 304 C2 C3 SXT PHTX DST Java Movie Poor Event; Only 3 points
    1999/10/11 22:00:05 256 99 448 406 42 -9.9*1 3.6e+14 3.6e+29 274 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/12 00:00:05 97 43 485 462 467 -1.8*1 1.0e+15 1.2e+30 91 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/12 02:00:05 284 53 176 173 138 -0.5*1 2.1e+14 3.3e+28 295 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/12 09:06:05 95 28 606 523 0 -21.8*1 2.5e+14 4.6e+29 88 C2 C3 195 SXT PHTX DST Java Movie UVCS Poor Event
    1999/10/12 13:20:05 76 81 654 529 423 -17.0 4.4e+15 9.4e+30 106 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/12 15:30:53 13 18 417 406 389 -1.3*1 ---- ---- 20 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1999/10/12 19:18:39 125 202 365 437 407 3.1 5.3e+15*2 3.5e+30*2 124 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    1999/10/12 20:02:25 279 65 339 331 325 -0.6*1 5.2e+14 3.0e+29 275 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/13 02:50:06 271 70 216 95 0 -31.1*1 6.7e+13 1.6e+28 274 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/13 07:50:05 74 69 211 200 0 -4.5*1 8.3e+13 1.8e+28 84 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/13 09:50:05 4 109 577 696 643 7.8 6.5e+15 1.1e+31 14 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/13 13:50:05 245 6 516 413 0 -58.7*1 ---- ---- 243 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/13 14:26:05 285 85 146 137 0 -1.4*1 6.3e+14 6.7e+28 287 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/13 21:06:46 247 8 926 900 867 -6.7*1 ---- ---- 243 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/14 00:26:07 231 9 244 339 953 37.4*1 ---- ---- 230 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/14 02:50:05 95 41 613 684 890 20.5*1 3.5e+14 6.6e+29 88 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/14 09:26:05 Halo (OA) 360 1250 1136 1187 -21.2 8.3e+15*2 6.5e+31*2 61 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/10/14 12:50:05 253 4 564 536 442 -6.5*1 ---- ---- 252 C2 C3 195 SXT PHTX DST Java Movie UVCS Poor Event
    1999/10/14 15:26:06 289 65 308 352 368 2.9 1.7e+15 8.3e+29 276 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/16 03:06:05 273 129 241 268 360 3.5*1 1.2e+15*2 3.4e+29*2 316 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    1999/10/16 04:26:05 147 9 208 208 200 -0.1*1 ---- ---- 144 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/16 04:26:05 86 61 334 276 0 -8.3*1 2.9e+14 1.6e+29 82 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/16 08:50:05 333 14 628 434 0 -29.2*1 ---- ---- 339 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/16 10:06:06 87 75 216 178 0 -10.1*1 4.9e+14 1.2e+29 81 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/16 10:26:05 151 10 506 485 72 -11.6*1 ---- ---- 150 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/16 23:06:59 282 130 352 247 217 -6.3 4.2e+15*2 2.6e+30*2 303 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    1999/10/17 11:50:05 215 41 121 120 115 -0.1*1 1.5e+13 1.1e+27 206 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1999/10/17 17:50:05 299 13 826 1006 1292 55.9*1 ---- ---- 305 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/17 17:50:05 111 41 542 619 708 12.2*1 5.3e+14 7.8e+29 117 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/17 19:26:05 335 44 302 255 0 -7.8*1 2.6e+14 1.2e+29 337 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/18 00:06:06 40 87 247 223 95 -2.7*1 3.4e+15 1.0e+30 40 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/18 00:06:06 206 240 144 263 290 3.5*1 2.7e+14*2 2.8e+28*2 184 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2006/09/20; Partial Halo
    1999/10/18 02:06:05 298 26 1081 1021 979 -15.1*1 3.8e+14 2.2e+30 298 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/18 05:26:05 26 84 463 521 495 3.6 4.1e+15 4.4e+30 29 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2006/09/20
    1999/10/18 13:26:49 290 10 427 788 2684 298.0*1 ---- ---- 287 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1999/10/18 14:26:05 299 19 919 712 682 -34.1*1 ---- ---- 307 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/18 18:26:05 245 20 265 263 226 -0.8*1 2.1e+14*2 7.5e+28*2 241 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/18 19:50:06 227 75 457 552 569 8.0*1 2.6e+15 2.7e+30 239 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/19 05:50:05 87 125 753 677 734 -5.9 1.5e+15*2 4.2e+30*2 108 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    1999/10/19 10:26:05 119 55 491 725 601 12.8 2.1e+15 2.5e+30 118 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/20 00:26:05 115 25 701 782 739 7.2 4.0e+14 9.9e+29 105 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/20 03:06:05 283 48 180 197 329 3.4*1 ---- ---- 289 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/20 04:06:06 113 14 489 472 481 -1.0*1 ---- ---- 110 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/20 06:26:05 283 105 327 322 310 -0.6 2.6e+15 1.4e+30 287 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/20 09:50:05 93 51 486 474 429 -2.7*1 7.6e+14 9.0e+29 113 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/10/20 17:26:05 320 15 404 147 0 -66.9*1 ---- ---- 324 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/21 01:50:05 288 27 188 251 656 17.4*1 6.8e+13 1.2e+28 294 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/21 05:06:05 99 41 363 306 211 -5.3*1 3.3e+14 2.2e+29 109 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/21 09:50:05 94 60 381 362 373 -0.8*1 6.2e+14 4.5e+29 116 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/21 13:50:05 324 10 530 347 0 -25.2 ---- ---- 330 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/21 14:26:05 303 30 157 127 0 -3.0 8.4e+13 1.0e+28 298 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/22 02:50:05 327 6 440 716 1691 117.8*1 ---- ---- 330 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/22 04:26:05 285 92 359 292 0 -19.7*1 4.5e+14 2.9e+29 296 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/22 08:50:23 300 73 368 386 378 0.8 3.5e+15 2.4e+30 300 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/22 13:26:47 305 118 478 393 440 -5.8 3.7e+15 4.3e+30 290 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/22 14:06:05 188 29 193 187 175 -0.4*1 3.8e+13 7.0e+27 199 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/22 19:26:45 290 108 797 730 669 -13.0 2.1e+15 6.6e+30 291 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/23 01:26:51 212 34 405 364 253 -6.1*1 2.4e+14 2.0e+29 200 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/23 01:26:51 305 143 1012 858 966 -19.2 4.2e+15*2 2.2e+31*2 303 C2 C3 195 SXT PHTX DST Java Movie UVCS Partial Halo
    1999/10/23 09:26:07 302 88 371 341 85 -6.5*1 4.7e+14 3.2e+29 303 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/23 13:26:54 287 86 283 335 476 7.4*1 1.9e+15 7.5e+29 291 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/23 17:06:05 278 52 205 154 0 -14.2*1 3.1e+14 6.5e+28 280 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/23 21:26:08 275 62 212 129 0 -19.2*1 3.0e+14 6.7e+28 276 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/23 22:26:07 273 37 264 337 784 23.6*1 6.9e+13 2.4e+28 273 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/24 03:26:11 319 34 480 403 0 -24.0*1 2.5e+14*2 2.9e+29*2 311 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/24 05:42:05 304 13 431 420 409 -1.3*1 ---- ---- 294 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C3
    1999/10/24 10:26:05 289 93 390 356 0 -19.0*1 1.3e+15*2 9.8e+29*2 321 C2 C3 195 SXT PHTX DST Java Movie Only C2
    1999/10/24 11:26:07 293 114 1127 922 1086 -29.3 6.4e+15 4.1e+31 299 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/24 17:06:06 139 34 385 511 1015 39.8*1 1.4e+14 1.0e+29 134 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/24 23:26:05 273 14 228 191 0 -10.5*1 ---- ---- 274 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/25 00:50:05 284 15 407 601 1421 81.5*1 ---- ---- 285 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/25 03:50:05 324 25 309 182 0 -18.1*1 6.4e+13 3.0e+28 324 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/25 11:50:05 281 56 179 202 390 5.3*1 2.0e+14 3.2e+28 283 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/25 14:26:05 186 146 511 560 558 4.0 3.5e+15*2 4.6e+30*2 172 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    1999/10/25 15:50:05 43 17 640 425 0 -123.3*1 ---- ---- 45 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/25 20:24:44 262 87 214 193 0 -4.0*1 8.2e+14 1.9e+29 261 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/25 23:06:05 322 45 777 718 616 -14.7*1 4.2e+14 1.3e+30 322 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/26 03:26:05 323 47 515 420 355 -10.5*1 7.6e+14 1.0e+30 327 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/26 09:26:05 254 45 212 166 0 -5.3 1.4e+15 3.1e+29 257 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/26 21:50:06 256 49 319 286 287 -1.6 5.4e+15 2.8e+30 248 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/27 02:06:05 336 27 250 261 299 1.3*1 1.2e+14 3.8e+28 344 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/27 05:26:05 90 45 299 251 0 -8.3*1 4.4e+13 1.9e+28 96 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/27 09:50:05 265 63 235 266 441 6.5*1 1.0e+14 2.8e+28 274 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/27 12:50:05 293 15 272 412 1209 59.9*1 ---- ---- 292 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/27 13:50:06 84 94 411 375 345 -3.3 2.8e+15 2.4e+30 84 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/27 14:06:05 260 40 240 220 0 -10.7*1 5.4e+13*2 1.5e+28*2 264 C2 C3 195 SXT PHTX DST Java Movie Only C2
    1999/10/27 15:50:05 261 43 247 388 725 21.5*1 8.3e+14 2.5e+29 257 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/28 03:50:05 147 84 494 527 600 6.2*1 ---- ---- 126 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/28 12:26:05 106 37 286 361 381 4.5*1 1.3e+13 5.2e+27 117 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1999/10/28 22:26:05 98 29 688 701 697 1.4*1 8.3e+14 2.0e+30 110 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/10/29 10:06:06 47 27 768 539 557 -29.2*1 2.6e+14 7.8e+29 38 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/29 21:37:12 285 71 346 452 443 6.2*1 1.4e+14 8.1e+28 280 C2 C3 195 SXT PHTX DST Java Movie
    1999/10/30 08:00:06 53 12 573 707 1390 74.9*1 ---- ---- 49 C2 C3 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/30 18:00:05 20 37 368 357 0 -8.6*1 4.2e+13*2 2.8e+28*2 32 C2 C3 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/10/30 19:15:05 261 31 189 143 0 -9.8*1 6.7e+14 1.2e+29 257 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/31 07:30:06 258 19 423 524 698 16.9*1 ---- ---- 267 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/31 07:30:06 161 22 472 342 0 -51.9*1 4.5e+12 5.1e+27 154 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/31 08:00:05 127 161 152 93 0 -14.7*1 2.0e+13*2 2.3e+27*2 80 C2 C3 SXT PHTX DST Java Movie Poor Event; Only C2; Partial Halo
    1999/10/31 16:00:05 245 30 166 151 0 -6.6*1 8.6e+13 1.2e+28 240 C2 C3 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/10/31 16:45:05 115 10 585 582 574 -0.6*1 ---- ---- 119 C2 C3 SXT PHTX DST Java Movie Poor Event
    1999/10/31 20:00:05 19 15 551 583 574 2.4 ---- ---- 15 C2 C3 SXT PHTX DST Java Movie
    1999/10/31 21:30:08 74 16 671 728 889 17.6*1 ---- ---- 73 C2 C3 SXT PHTX DST Java Movie Poor Event

    *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).