• 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
    2004/10/01 13:36:05 247 26 210 343 608 16.7*1 3.7e+12 8.2e+26 251 C2 C3 PHTX DST Java Movie Poor Event
    2004/10/02 04:12:05 75 23 149 166 490 9.2*1 2.2e+13 2.5e+27 74 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2004/10/02 20:48:05 101 59 264 404 490 9.0 1.3e+15 4.4e+29 109 C2 C3 PHTX DST Java Movie
    2004/10/03 14:00:05 227 68 253 231 0 -3.5*1 3.9e+14 1.3e+29 224 C2 C3 PHTX DST Java Movie
    2004/10/03 17:24:06 58 15 774 770 767 -0.7 ---- ---- 58 C2 C3 PHTX DST Java Movie
    2004/10/04 13:54:07 96 47 594 597 598 0.4 1.6e+15 2.8e+30 101 C2 C3 195 PHTX DST Java Movie
    2004/10/04 18:06:31 40 13 586 898 1393 78.7*1 ---- ---- 38 C2 C3 195 PHTX DST Java Movie
    2004/10/05 23:55:28 101 26 286 442 566 12.3 2.0e+16 8.1e+30 98 C2 C3 195 PHTX DST Java Movie UVCS
    2004/10/05 23:55:28 266 47 196 197 204 0.2*1 2.5e+16*2 4.9e+30*2 266 C2 C3 195 PHTX DST Java Movie
    2004/10/06 04:55:12 33 12 296 362 985 38.8*1 ---- ---- 31 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2004/10/06 12:59:18 306 19 336 334 331 -0.2*1 ---- ---- 300 C2 C3 195 PHTX DST Java Movie
    2004/10/06 19:57:31 96 54 337 353 364 1.4 1.4e+15 8.2e+29 103 C2 C3 195 PHTX DST Java Movie
    2004/10/07 19:30:05 210 87 189 220 255 1.7*1 1.4e+15 2.6e+29 216 C2 C3 195 PHTX DST Java Movie
    2004/10/07 19:54:05 171 33 360 341 334 -1.4 1.4e+14 9.0e+28 176 C2 C3 195 PHTX DST Java Movie
    2004/10/08 02:54:14 242 25 282 383 1172 54.8*1 5.3e+13*2 2.1e+28*2 247 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2004/10/08 18:06:44 252 6 424 330 0 -33.0*1 ---- ---- 251 C2 C3 195 PHTX DST Java Movie Only 3 points
    2004/10/09 05:55:10 43 5 ---- --- --- --- ---- ---- 47 C2 C3 195 PHTX DST Java Movie Poor Event; Only 1 point; Only C2
    2004/10/09 18:06:44 105 36 144 95 0 -4.6*1 2.6e+14 2.7e+28 104 C2 C3 195 PHTX DST Java Movie
    2004/10/10 11:00:32 298 43 303 275 0 -5.9*1 1.6e+14 7.4e+28 301 C2 C3 195 PHTX DST Java Movie
    2004/10/10 12:54:34 260 5 308 167 0 -29.7*1 ---- ---- 259 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points
    2004/10/10 21:54:05 298 45 197 99 0 -20.0*1 1.4e+14 2.7e+28 299 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/10/11 00:06:06 118 10 376 415 416 2.4 ---- ---- 118 C2 C3 195 PHTX DST Java Movie
    2004/10/11 06:30:05 302 43 229 248 318 2.4*1 1.4e+14 3.5e+28 301 C2 C3 195 PHTX DST Java Movie
    2004/10/11 09:54:33 275 8 348 494 1423 81.3*1 ---- ---- 279 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/10/11 11:30:20 106 25 129 --- --- --- 5.0e+13*2 4.2e+27*2 110 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2004/10/11 12:30:19 286 34 468 392 0 -13.9 1.1e+14 1.2e+29 275 C2 C3 195 PHTX DST Java Movie
    2004/10/11 20:30:06 280 20 408 405 394 -0.6 1.3e+14 1.1e+29 276 C2 C3 195 PHTX DST Java Movie
    2004/10/11 21:54:05 105 30 209 215 325 2.6*1 2.0e+14*2 4.4e+28*2 107 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/10/12 06:30:05 285 33 255 0 0 -35.9*1 2.8e+13 9.2e+27 285 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/10/12 10:54:33 104 24 199 140 0 -28.2 7.2e+13 1.4e+28 104 C2 C3 195 PHTX DST Java Movie Only C2
    2004/10/12 12:06:18 276 11 484 485 486 0.1 ---- ---- 276 C2 C3 195 PHTX DST Java Movie
    2004/10/13 00:30:06 15 18 560 320 0 -116.6*1 ---- ---- 18 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points
    2004/10/13 03:54:22 48 34 250 239 219 -0.8 2.3e+14 7.3e+28 44 C2 C3 195 PHTX DST Java Movie
    2004/10/13 08:06:21 273 7 477 434 0 -29.9*1 ---- ---- 275 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2004/10/13 21:33:14 346 >161 488 498 559 3.5 7.0e+14*2 8.3e+29*2 321 C2 C3 195 PHTX DST Java Movie Uncertain Width; Partial Halo
    2004/10/14 00:54:05 114 36 214 86 0 -17.5*1 2.8e+14 6.3e+28 112 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/10/14 14:30:18 123 36 236 214 0 -2.9*1 5.3e+13 1.5e+28 116 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/10/14 18:06:20 53 68 434 363 0 -12.7 2.8e+14 2.7e+29 69 C2 C3 195 PHTX DST Java Movie
    2004/10/14 23:30:05 104 25 218 313 652 18.4*1 3.9e+13*2 9.3e+27*2 98 C2 C3 195 PHTX DST Java Movie
    2004/10/15 06:54:05 323 10 628 628 628 -0.0*1 ---- ---- 312 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/10/15 07:54:32 114 58 437 505 533 6.1 8.3e+14 8.0e+29 106 C2 C3 195 PHTX DST Java Movie
    2004/10/15 16:06:20 267 68 135 112 0 -1.6*1 3.6e+14 3.3e+28 270 C2 C3 195 PHTX DST Java Movie
    2004/10/15 18:54:34 19 91 42 70 158 1.0*1 1.1e+15 9.8e+27 32 C2 C3 195 PHTX DST Java Movie
    2004/10/16 03:54:08 294 40 116 217 227 2.7*1 2.7e+15 1.8e+29 290 C2 C3 195 PHTX DST Java Movie Poor Event; Only C3
    2004/10/16 15:54:32 266 40 202 91 0 -39.4*1 1.3e+14 2.7e+28 261 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/10/16 21:54:05 43 39 351 397 414 3.1 1.5e+13 9.0e+27 41 C2 C3 195 PHTX DST Java Movie
    2004/10/17 09:30:18 121 15 253 357 551 11.6*1 ---- ---- 117 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/10/17 21:30:10 97 88 214 307 815 27.3*1 9.2e+14 2.1e+29 87 C2 C3 195 PHTX DST Java Movie
    2004/10/18 03:54:06 221 20 582 510 0 -29.2*1 8.1e+13 1.4e+29 221 C2 C3 195 PHTX DST Java Movie
    2004/10/18 12:30:18 230 8 254 --- --- --- ---- ---- 226 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2004/10/18 14:06:19 328 14 1011 1230 1544 72.9*1 ---- ---- 324 C2 C3 195 PHTX DST Java Movie
    2004/10/18 15:06:19 327 18 756 432 0 -108.7*1 ---- ---- 323 C2 C3 195 PHTX DST Java Movie
    2004/10/18 15:30:20 79 60 180 118 0 -27.0*1 1.4e+14 2.2e+28 69 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/10/18 16:30:18 275 37 419 617 633 14.9 9.1e+14 8.0e+29 276 C2 C3 195 PHTX DST Java Movie
    2004/10/20 06:30:05 275 17 358 --- --- --- ---- ---- 273 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2004/10/20 07:31:47 29 15 451 550 1183 55.4*1 ---- ---- 36 C2 C3 195 PHTX DST Java Movie Only C2
    2004/10/20 11:06:05 86 123 764 663 614 -15.9 1.2e+15*2 3.5e+30*2 68 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/10/20 22:30:05 68 14 664 689 813 11.1*1 ---- ---- 70 C2 C3 195 PHTX DST Java Movie
    2004/10/21 00:54:05 70 68 622 691 732 10.0 9.3e+14 1.8e+30 65 C2 C3 195 PHTX DST Java Movie
    2004/10/21 02:30:05 82 22 533 489 269 -10.7 1.8e+14 2.6e+29 80 C2 C3 195 PHTX DST Java Movie
    2004/10/21 05:30:05 61 57 692 896 1204 52.7*1 1.2e+14 3.0e+29 72 C2 C3 195 PHTX DST Java Movie
    2004/10/21 07:31:50 233 53 240 261 288 1.4 2.9e+14 8.3e+28 242 C2 C3 195 PHTX DST Java Movie
    2004/10/21 07:31:50 71 71 754 705 619 -12.3*1 5.0e+14 1.4e+30 71 C2 C3 195 PHTX DST Java Movie
    2004/10/21 09:54:05 56 31 489 436 401 -5.4 2.8e+14 3.3e+29 63 C2 C3 195 PHTX DST Java Movie
    2004/10/21 14:30:05 65 52 489 457 393 -4.8 2.9e+14 3.5e+29 74 C2 C3 195 PHTX DST Java Movie
    2004/10/21 17:30:05 250 79 211 218 259 1.0*1 8.4e+13 1.9e+28 238 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/10/21 19:54:05 310 43 325 403 560 10.6*1 1.3e+14 7.0e+28 309 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/10/21 19:54:05 65 79 670 614 627 -5.3 2.1e+15 4.8e+30 41 C2 C3 195 PHTX DST Java Movie
    2004/10/22 02:30:05 60 31 354 247 0 -17.5 1.3e+14 7.9e+28 63 C2 C3 195 PHTX DST Java Movie
    2004/10/22 08:30:05 97 >144 536 489 483 -4.2 3.9e+15*2 5.5e+30*2 61 C2 C3 195 PHTX DST Java Movie UVCS Uncertain Width; Partial Halo
    2004/10/23 01:31:52 46 14 1203 1922 3399 513.8*1 ---- ---- 51 C2 C3 195 PHTX DST Java Movie
    2004/10/23 05:54:06 99 61 468 737 628 14.4 6.1e+15 6.7e+30 112 C2 C3 195 PHTX DST Java Movie
    2004/10/23 15:54:05 70 5 646 542 0 -42.0*1 ---- ---- 68 C2 C3 195 PHTX DST Java Movie
    2004/10/23 17:30:05 51 69 524 668 827 22.3 5.1e+14 7.0e+29 72 C2 C3 195 PHTX DST Java Movie
    2004/10/24 00:30:05 70 18 147 171 290 2.9*1 ---- ---- 75 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/10/24 03:30:12 346 13 ---- --- --- --- ---- ---- 343 C2 C3 195 PHTX DST Java Movie Only 1 point; Only C2
    2004/10/24 03:30:12 124 23 154 20 0 -46.9*1 6.5e+13 7.7e+27 122 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/10/24 03:54:06 26 >109 417 434 453 1.9 1.5e+14 1.3e+29 38 C2 C3 195 PHTX DST Java Movie Uncertain Width
    2004/10/24 11:54:06 337 18 302 461 896 34.7*1 ---- ---- 341 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/10/24 21:30:09 56 96 408 464 503 5.3 9.9e+14 8.2e+29 74 C2 C3 195 PHTX DST Java Movie
    2004/10/25 00:30:05 104 58 418 538 603 11.4 7.5e+14 6.6e+29 92 C2 C3 195 PHTX DST Java Movie
    2004/10/26 01:54:36 226 104 103 222 251 2.8*1 2.4e+14 1.3e+28 223 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/10/26 02:54:05 77 38 382 356 0 -8.2*1 1.1e+14 8.4e+28 81 C2 C3 195 PHTX DST Java Movie
    2004/10/26 08:30:05 73 38 389 398 425 1.6*1 1.6e+14 1.2e+29 73 C2 C3 195 PHTX DST Java Movie
    2004/10/26 16:30:05 100 38 274 190 0 -21.7*1 1.1e+14 4.2e+28 105 C2 C3 195 PHTX DST Java Movie
    2004/10/26 16:54:05 286 30 368 318 0 -8.1*1 1.6e+14 1.1e+29 281 C2 C3 195 PHTX DST Java Movie
    2004/10/26 22:30:32 268 28 293 308 359 2.1*1 9.2e+13 4.0e+28 258 C2 C3 195 PHTX DST Java Movie
    2004/10/27 06:54:07 82 16 281 362 1029 43.2*1 ---- ---- 86 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2004/10/27 10:30:25 Halo (BA) 360 306 260 247 -2.5 1.5e+15*2 6.9e+29*2 62 C2 C3 195 PHTX DST Java Movie MailLog1
    2004/10/28 07:31:50 83 13 320 412 605 13.4*1 ---- ---- 80 C2 C3 195 PHTX DST Java Movie
    2004/10/28 09:30:05 300 28 302 223 0 -15.7*1 1.6e+14 7.2e+28 297 C2 C3 195 PHTX DST Java Movie
    2004/10/28 18:54:05 245 37 348 466 858 28.1*1 2.4e+14 1.4e+29 250 C2 C3 195 PHTX DST Java Movie
    2004/10/29 05:06:05 302 43 454 362 0 -32.1*1 1.1e+14 1.2e+29 299 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/10/29 09:54:05 308 15 409 479 835 24.0 ---- ---- 304 C2 C3 195 PHTX DST Java Movie Only C2
    2004/10/29 11:30:05 113 61 416 327 0 -23.3 5.3e+14 4.6e+29 98 C2 C3 195 PHTX DST Java Movie
    2004/10/30 00:30:05 108 19 424 348 226 -8.2 ---- ---- 106 C2 C3 195 PHTX DST Java Movie
    2004/10/30 03:54:09 321 60 138 120 0 -2.8*1 2.7e+14*2 2.6e+28*2 317 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points
    2004/10/30 06:54:05 Halo (BA) 360 422 653 797 25.9 2.4e+15*2 2.2e+30*2 270 C2 C3 195 PHTX DST Java Movie MailLog1
    2004/10/30 09:54:05 265 74 552 142 0 -78.9*1 5.8e+14 8.8e+29 272 C2 C3 195 PHTX DST Java Movie
    2004/10/30 12:30:06 Halo (BA) 360 427 564 614 12.4*1 2.8e+15*2 2.5e+30*2 269 C2 C3 195 PHTX DST Java Movie MailLog1; Poor Event
    2004/10/30 16:54:05 Halo (BA) 360 690 427 419 -30.2*1 2.2e+15*2 5.3e+30*2 268 C2 C3 195 PHTX DST Java Movie MailLog1
    2004/10/30 19:54:05 105 7 406 501 1000 37.2 ---- ---- 103 C2 C3 195 PHTX DST Java Movie
    2004/10/31 01:31:48 309 21 686 880 972 28.1 1.6e+14 3.7e+29 306 C2 C3 195 PHTX DST Java Movie
    2004/10/31 01:54:05 251 35 315 349 356 2.0*1 5.1e+14 2.5e+29 258 C2 C3 195 PHTX DST Java Movie
    2004/10/31 03:30:11 111 12 366 308 0 -18.2 ---- ---- 110 C2 C3 195 PHTX DST Java Movie
    2004/10/31 06:30:30 251 62 265 304 482 7.6 3.4e+14 1.2e+29 250 C2 C3 195 PHTX DST Java Movie
    2004/10/31 17:30:05 112 23 453 387 0 -11.5 2.3e+14 2.4e+29 107 C2 C3 195 PHTX DST Java Movie
    2004/10/31 20:30:05 262 22 468 355 0 -22.5 1.1e+14 1.2e+29 263 C2 C3 195 PHTX DST Java Movie
    2004/10/31 22:30:05 260 58 350 532 1545 97.9*1 3.1e+14*2 1.9e+29*2 263 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2

    *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).