• 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
    2003/08/01 00:54:05 322 37 179 384 411 7.8*1 3.7e+15 5.9e+29 323 C2 C3 195 PHTX DST Java Movie
    2003/08/01 12:54:05 214 28 587 875 908 30.2*1 1.1e+15 1.9e+30 211 C2 C3 195 PHTX DST Java Movie UVCS
    2003/08/01 17:30:05 73 14 538 588 724 12.8*1 ---- ---- 75 C2 C3 195 PHTX DST Java Movie
    2003/08/01 17:30:05 146 19 456 339 0 -30.3*1 ---- ---- 149 C2 C3 195 PHTX DST Java Movie
    2003/08/01 19:54:17 310 22 284 331 826 26.1*1 1.7e+14*2 6.7e+28*2 311 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2003/08/02 08:30:05 111 7 316 284 0 -9.7*1 ---- ---- 113 C2 C3 195 PHTX DST Java Movie
    2003/08/02 20:30:05 180 45 175 157 0 -3.1*1 1.8e+14 2.8e+28 171 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/08/03 00:30:05 Halo (BA) 360 699 603 543 -13.9 6.9e+15*2 1.7e+31*2 193 C2 C3 195 PHTX DST Java Movie UVCS
    2003/08/03 09:30:05 308 56 206 241 470 8.0*1 4.9e+14 1.0e+29 311 C2 C3 195 PHTX DST Java Movie Only C2
    2003/08/03 16:06:05 96 9 503 372 0 -62.1*1 ---- ---- 101 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/03 18:06:05 318 25 227 313 798 25.3*1 8.3e+13 2.1e+28 317 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/08/03 21:30:08 270 112 290 234 0 -6.1*1 2.2e+15 9.3e+29 287 C2 C3 195 PHTX DST Java Movie
    2003/08/04 08:30:05 111 9 363 268 0 -30.1*1 ---- ---- 109 C2 C3 195 PHTX DST Java Movie
    2003/08/04 19:31:42 130 9 316 438 1135 55.8*1 ---- ---- 128 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/05 01:31:41 296 72 357 580 632 15.8 5.1e+15 3.2e+30 299 C2 C3 195 PHTX DST Java Movie
    2003/08/05 12:30:05 28 26 498 741 1324 71.5*1 1.2e+14*2 1.5e+29*2 27 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/08/05 19:31:38 336 57 553 636 691 10.9 1.6e+15 2.5e+30 335 C2 C3 195 PHTX DST Java Movie
    2003/08/06 10:30:19 217 94 390 451 547 7.8*1 4.7e+14 3.6e+29 227 C2 C3 195 PHTX DST Java Movie
    2003/08/07 00:30:05 249 24 373 362 259 -3.5*1 5.3e+13*2 3.7e+28*2 241 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2003/08/07 03:30:05 311 30 296 297 312 0.4*1 2.4e+14 1.1e+29 314 C2 C3 195 PHTX DST Java Movie Newly inserted on 2006/01/09; Poor Event; Only C2
    2003/08/07 04:54:06 50 47 131 48 0 -80.8*1 2.2e+14*2 1.9e+28*2 45 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2003/08/07 18:51:44 97 26 377 610 1084 49.6*1 1.0e+14*2 7.3e+28*2 99 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/07 20:30:05 177 80 449 415 396 -3.2 1.6e+15 1.6e+30 176 C2 C3 195 PHTX DST Java Movie
    2003/08/09 10:56:09 351 13 562 605 658 6.9 ---- ---- 349 C2 C3 195 PHTX DST Java Movie
    2003/08/10 15:30:05 122 69 645 730 735 9.7 1.0e+15 2.1e+30 119 C2 C3 195 PHTX DST Java Movie
    2003/08/10 15:54:05 39 44 230 241 315 2.2*1 3.3e+14 8.6e+28 40 C2 C3 195 PHTX DST Java Movie
    2003/08/10 23:30:05 261 16 468 555 830 22.5 ---- ---- 257 C2 C3 195 PHTX DST Java Movie
    2003/08/11 09:30:05 308 14 461 450 334 -4.7*1 ---- ---- 308 C2 C3 195 PHTX DST Java Movie Only C2
    2003/08/11 12:30:05 44 40 222 286 615 14.8*1 5.1e+13 1.3e+28 44 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2003/08/12 07:31:43 35 83 246 225 0 -5.7*1 3.1e+14 9.3e+28 23 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/08/12 18:15:06 14 19 575 484 0 -26.6*1 ---- ---- 9 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C3
    2003/08/13 00:06:05 207 42 426 581 777 23.9 1.8e+13 1.7e+28 214 C2 C3 195 PHTX DST Java Movie
    2003/08/13 01:54:05 307 18 628 --- --- --- ---- ---- 313 C2 C3 195 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2003/08/13 06:30:05 270 8 617 --- --- --- ---- ---- 267 C2 C3 195 PHTX DST Java Movie Only 2 points
    2003/08/13 06:54:06 67 22 445 91 0 -143.2*1 1.2e+14*2 1.2e+29*2 70 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points
    2003/08/13 16:30:08 4 72 310 484 1004 41.5*1 2.2e+14*2 1.0e+29*2 358 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/08/13 18:30:05 232 46 146 275 345 5.5*1 1.0e+14 1.1e+28 232 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2003/08/14 12:30:05 260 7 642 564 0 -38.0*1 ---- ---- 256 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/08/14 20:06:05 Halo (OA) 360 378 431 461 4.4 3.9e+15*2 2.8e+30*2 25 C2 C3 195 PHTX DST Java Movie MailLog1
    2003/08/15 02:06:05 262 8 814 1113 2550 264.0*1 ---- ---- 262 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/08/15 13:31:43 231 38 153 147 125 -0.4 3.0e+14 3.6e+28 228 C2 C3 195 PHTX DST Java Movie
    2003/08/15 20:30:05 123 15 380 432 477 5.0 ---- ---- 126 C2 C3 195 PHTX DST Java Movie
    2003/08/15 23:06:05 233 32 244 165 0 -23.6*1 4.2e+13 1.3e+28 231 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2003/08/16 05:54:05 128 5 570 412 0 -50.4*1 ---- ---- 129 C2 C3 195 PHTX DST Java Movie
    2003/08/16 08:06:07 249 13 337 324 272 -2.1*1 ---- ---- 244 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/16 12:30:05 302 19 497 683 704 16.8 ---- ---- 300 C2 C3 195 PHTX DST Java Movie UVCS
    2003/08/16 12:54:05 213 41 284 307 557 10.3*1 9.3e+13*2 3.7e+28*2 215 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2003/08/16 20:29:58 246 60 565 543 496 -4.2 4.9e+14 7.8e+29 254 C2 C3 195 PHTX DST Java Movie
    2003/08/17 17:54:05 139 201 111 279 355 5.3 1.0e+16*2 6.2e+29*2 97 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/08/18 03:06:05 260 54 551 397 353 -14.6 2.0e+15 3.0e+30 262 C2 C3 195 PHTX DST Java Movie
    2003/08/18 08:54:05 283 59 439 396 0 -12.9 3.8e+14 3.6e+29 289 C2 C3 195 PHTX DST Java Movie
    2003/08/18 14:30:05 281 58 340 376 759 20.2*1 5.0e+14*2 2.9e+29*2 272 C2 C3 195 PHTX DST Java Movie Only C2
    2003/08/18 20:54:28 282 65 482 410 0 -14.0 8.7e+14 1.0e+30 299 C2 C3 195 PHTX DST Java Movie
    2003/08/19 04:30:29 259 64 388 426 590 9.5 5.0e+14 3.8e+29 274 C2 C3 195 PHTX DST Java Movie
    2003/08/19 05:30:07 288 57 324 325 330 0.2 7.2e+14 3.8e+29 305 C2 C3 195 PHTX DST Java Movie
    2003/08/19 08:06:05 38 31 116 175 511 11.3*1 8.4e+14 5.6e+28 39 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/08/19 08:30:31 257 >35 412 389 0 -12.3*1 5.6e+14*2 4.7e+29*2 262 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2; Uncertain Width
    2003/08/19 09:30:05 258 112 300 194 0 -38.0*1 6.8e+14*2 3.0e+29*2 280 C2 C3 195 PHTX DST Java Movie Poor Event; Only C3
    2003/08/19 10:30:23 262 111 468 508 568 6.0 4.0e+15 4.4e+30 275 C2 C3 195 PHTX DST Java Movie
    2003/08/20 11:54:56 77 44 1036 1044 1045 1.4 1.4e+15 7.5e+30 79 C2 C3 195 PHTX DST Java Movie
    2003/08/20 17:30:05 248 13 906 --- --- --- ---- ---- 246 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 2 points
    2003/08/21 00:54:05 88 7 630 706 1023 30.6*1 ---- ---- 86 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/21 05:30:05 68 17 495 468 419 -4.3*1 ---- ---- 68 C2 C3 195 PHTX DST Java Movie
    2003/08/21 15:54:05 278 63 231 282 848 28.4*1 2.3e+14*2 6.2e+28*2 273 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/08/21 19:50:05 101 40 260 209 0 -48.3*1 4.4e+14*2 1.5e+29*2 103 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2003/08/22 04:06:05 65 85 551 528 525 -2.3 2.5e+15 3.8e+30 54 C2 C3 195 PHTX DST Java Movie
    2003/08/23 02:50:06 237 67 801 902 964 19.8 1.3e+15 4.1e+30 268 C2 C3 195 PHTX DST Java Movie
    2003/08/23 11:26:06 255 17 341 232 0 -17.4*1 ---- ---- 251 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2003/08/23 23:26:06 238 74 489 427 0 -15.4 2.9e+14 3.4e+29 252 C2 C3 195 PHTX DST Java Movie
    2003/08/24 02:42:05 214 49 507 482 500 -1.7*1 1.9e+15 2.5e+30 210 C2 C3 195 PHTX DST Java Movie Poor Event; Only C3
    2003/08/24 17:26:05 280 10 507 603 841 24.0*1 ---- ---- 281 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/25 00:50:05 285 14 1008 956 944 -9.9 ---- ---- 289 C2 C3 195 PHTX DST Java Movie
    2003/08/25 03:26:05 106 61 575 590 590 1.5 2.5e+15 4.1e+30 120 C2 C3 195 PHTX DST Java Movie
    2003/08/25 07:27:17 178 160 271 486 414 7.3*1 8.7e+15*2 3.2e+30*2 178 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/08/25 10:26:05 75 56 369 402 496 5.6*1 3.7e+14 2.5e+29 74 C2 C3 195 PHTX DST Java Movie
    2003/08/25 21:26:08 238 16 344 365 376 1.8*1 ---- ---- 243 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/25 22:06:05 83 9 463 405 0 -27.0*1 ---- ---- 85 C2 C3 195 PHTX DST Java Movie
    2003/08/26 03:06:05 84 21 592 --- --- --- 1.5e+13*2 2.6e+28*2 91 C2 C3 195 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2003/08/26 04:50:05 120 32 322 336 396 2.5*1 4.8e+14 2.5e+29 121 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/26 08:50:05 286 8 576 294 0 -87.0*1 ---- ---- 289 C2 C3 195 PHTX DST Java Movie
    2003/08/26 11:06:06 84 12 420 376 0 -9.6*1 ---- ---- 86 C2 C3 195 PHTX DST Java Movie
    2003/08/26 13:27:10 63 6 542 252 0 -192.8*1 ---- ---- 62 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points
    2003/08/26 14:50:05 61 15 660 404 0 -103.5*1 ---- ---- 58 C2 C3 195 PHTX DST Java Movie
    2003/08/26 14:50:05 247 34 258 258 261 0.1*1 1.6e+14 5.2e+28 254 C2 C3 195 PHTX DST Java Movie
    2003/08/26 18:50:06 84 11 660 579 419 -15.8 ---- ---- 85 C2 C3 195 PHTX DST Java Movie
    2003/08/26 23:50:05 85 7 422 357 0 -19.9 ---- ---- 86 C2 C3 195 PHTX DST Java Movie
    2003/08/27 00:26:05 301 8 889 --- --- --- ---- ---- 303 C2 C3 195 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2003/08/27 02:26:06 85 12 486 665 1149 53.4*1 ---- ---- 90 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2003/08/27 03:06:06 76 41 528 763 2117 180.7*1 1.8e+14*2 2.5e+29*2 76 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2003/08/27 05:50:06 83 20 620 567 412 -12.3 1.6e+14 3.2e+29 83 C2 C3 195 PHTX DST Java Movie
    2003/08/27 14:26:05 233 23 386 494 491 6.9*1 3.9e+14 2.9e+29 231 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/27 17:51:58 57 24 334 424 1084 53.7*1 1.4e+14*2 7.6e+28*2 52 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/08/27 23:06:05 86 7 1097 1062 718 -31.3*1 ---- ---- 88 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/08/28 07:31:41 91 15 603 497 0 -27.3*1 ---- ---- 95 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/08/28 09:06:05 88 12 667 749 818 13.7 ---- ---- 89 C2 C3 195 PHTX DST Java Movie
    2003/08/28 14:06:06 78 43 331 500 1703 117.4*1 1.8e+14*2 9.8e+28*2 73 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2003/08/29 01:31:43 307 19 700 --- --- --- ---- ---- 311 C2 C3 195 PHTX DST Java Movie Only 2 points; Only C2
    2003/08/29 12:54:05 251 11 701 --- --- --- ---- ---- 252 C2 C3 195 PHTX DST Java Movie Only 2 points
    2003/08/29 21:54:55 240 19 444 602 715 17.8*1 ---- ---- 237 C2 C3 195 PHTX DST Java Movie
    2003/08/30 05:30:05 266 66 389 446 501 5.8*1 1.4e+15 1.0e+30 271 C2 C3 195 PHTX DST Java Movie
    2003/08/30 05:54:05 314 39 189 220 380 5.0*1 7.3e+14 1.3e+29 314 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2003/08/30 10:56:37 74 33 356 227 0 -25.0*1 1.5e+14 9.6e+28 84 C2 C3 195 PHTX DST Java Movie UVCS
    2003/08/31 06:30:05 248 111 353 417 446 4.7 3.7e+15 2.3e+30 273 C2 C3 195 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).