• 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
    2003/10/01 02:20:05 66 26 270 305 638 14.5 2.1e+14 7.6e+28 64 C2 C3 PHTX DST Java Movie Only C2
    2003/10/01 05:40:06 258 44 422 444 541 5.6 3.1e+14 2.8e+29 255 C2 C3 PHTX DST Java Movie
    2003/10/01 23:50:06 279 11 223 192 0 -16.9*1 ---- ---- 281 C2 C3 PHTX DST Java Movie Only C2
    2003/10/02 03:10:08 4 101 332 492 476 10.9 2.2e+15 1.2e+30 358 C2 C3 PHTX DST Java Movie Only C3
    2003/10/02 04:30:05 272 48 181 123 0 -17.2*1 1.1e+14 1.8e+28 272 C2 C3 PHTX DST Java Movie Only C2
    2003/10/02 05:20:06 94 13 766 --- --- --- ---- ---- 95 C2 C3 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2003/10/02 18:40:05 288 51 183 155 0 -5.0*1 2.2e+14 3.8e+28 298 C2 C3 PHTX DST Java Movie Poor Event
    2003/10/02 19:40:05 116 11 489 443 0 -16.6*1 ---- ---- 114 C2 C3 PHTX DST Java Movie
    2003/10/03 00:10:06 291 9 ---- --- --- --- ---- ---- 295 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2; Unable to measure
    2003/10/03 06:50:07 255 4 918 791 0 -160.0*1 ---- ---- 252 C2 C3 PHTX DST Java Movie Only 3 points
    2003/10/03 08:50:05 313 43 195 199 294 2.1*1 1.8e+14*2 3.4e+28*2 322 C2 C3 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2003/10/03 09:20:05 115 37 619 564 446 -11.6 3.1e+14 6.0e+29 109 C2 C3 PHTX DST Java Movie
    2003/10/03 15:10:05 273 8 417 557 1683 116.2*1 ---- ---- 270 C2 C3 PHTX DST Java Movie Only 3 points; Only C2
    2003/10/03 20:56:51 261 8 643 --- --- --- ---- ---- 259 C2 C3 PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    2003/10/04 03:12:21 292 7 456 401 0 -14.3*1 ---- ---- 296 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/10/04 10:56:10 272 9 312 388 627 15.3*1 ---- ---- 270 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points
    2003/10/04 13:31:44 273 17 1425 1198 0 -172.7*1 ---- ---- 278 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/10/04 19:31:41 258 103 1262 1078 553 -99.2*1 3.7e+14*2 3.0e+30*2 277 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C3
    2003/10/04 21:54:05 285 20 1050 951 0 -94.0*1 2.6e+14*2 1.4e+30*2 281 C2 C3 195 PHTX DST Java Movie
    2003/10/05 01:31:45 276 16 895 1051 1469 70.7*1 ---- ---- 271 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/10/05 02:06:05 284 126 457 570 1191 54.8*1 5.8e+14*2 6.0e+29*2 273 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Partial Halo
    2003/10/05 11:54:06 291 118 1499 1356 1392 -32.4 1.2e+15 1.3e+31 287 C2 C3 195 PHTX DST Java Movie
    2003/10/05 17:30:05 288 9 865 775 717 -17.7 ---- ---- 291 C2 C3 195 PHTX DST Java Movie
    2003/10/05 22:30:05 74 14 590 774 1600 98.1*1 ---- ---- 71 C2 C3 195 PHTX DST Java Movie
    2003/10/06 01:31:43 261 87 1396 1301 1371 -16.2 2.2e+15 2.2e+31 292 C2 C3 195 PHTX DST Java Movie
    2003/10/06 03:54:06 58 44 889 682 681 -29.0 4.0e+14 1.6e+30 64 C2 C3 195 PHTX DST Java Movie
    2003/10/06 08:54:06 300 14 618 626 697 4.8*1 ---- ---- 299 C2 C3 195 PHTX DST Java Movie UVCS Only C2
    2003/10/06 09:30:05 296 22 1083 907 0 -82.2 5.5e+14 3.2e+30 294 C2 C3 195 PHTX DST Java Movie
    2003/10/09 03:06:05 37 115 529 316 449 -13.7 3.0e+15 4.2e+30 14 C2 C3 195 PHTX DST Java Movie
    2003/10/09 08:30:05 284 11 814 811 808 -0.6 ---- ---- 286 C2 C3 195 PHTX DST Java Movie
    2003/10/09 09:06:05 23 93 712 595 315 -25.3 1.9e+15 4.8e+30 8 C2 C3 195 PHTX DST Java Movie
    2003/10/09 13:30:05 129 6 546 --- --- --- ---- ---- 128 C2 C3 195 PHTX DST Java Movie Only 2 points; Only C2
    2003/10/09 13:54:05 254 85 1166 1070 1070 -18.7 9.4e+14 6.4e+30 291 C2 C3 195 PHTX DST Java Movie
    2003/10/09 19:33:07 289 6 507 425 0 -26.1 ---- ---- 289 C2 C3 195 PHTX DST Java Movie
    2003/10/10 04:54:05 284 83 698 425 0 -43.7 5.2e+14 1.3e+30 296 C2 C3 195 PHTX DST Java Movie
    2003/10/10 06:06:05 36 18 301 323 539 8.8*1 ---- ---- 38 C2 C3 195 PHTX DST Java Movie Only C2
    2003/10/10 11:30:05 233 62 602 433 0 -117.5*1 4.1e+14*2 7.5e+29*2 241 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/10/10 22:30:05 283 46 517 439 353 -10.6 2.1e+14 2.8e+29 303 C2 C3 195 PHTX DST Java Movie
    2003/10/10 23:06:05 190 35 273 249 0 -16.8*1 8.4e+13*2 3.1e+28*2 197 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2003/10/11 03:54:08 262 34 198 166 0 -3.7*1 2.0e+14*2 4.0e+28*2 266 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/10/11 09:06:19 305 38 518 455 450 -6.0 3.7e+14 5.0e+29 311 C2 C3 195 PHTX DST Java Movie
    2003/10/11 22:30:06 57 72 380 446 420 3.1*1 4.3e+15 3.1e+30 37 C2 C3 195 PHTX DST Java Movie
    2003/10/13 03:54:05 65 49 362 377 448 3.3*1 1.6e+14 1.1e+29 62 C2 C3 195 PHTX DST Java Movie
    2003/10/13 18:30:06 287 109 349 379 421 3.2*1 5.8e+14 3.5e+29 286 C2 C3 195 PHTX DST Java Movie
    2003/10/15 00:30:05 84 6 176 195 461 7.8*1 ---- ---- 87 C2 C3 195 PHTX DST Java Movie Only C2
    2003/10/15 14:30:05 52 111 417 449 453 2.3 1.5e+15 1.3e+30 33 C2 C3 195 PHTX DST Java Movie
    2003/10/15 14:54:06 194 47 480 526 633 9.4*1 7.3e+13 8.4e+28 206 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2003/10/16 01:31:42 119 40 265 285 387 3.8*1 5.3e+14 1.9e+29 113 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/10/16 08:06:05 56 3 638 773 1592 94.0*1 ---- ---- 55 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2003/10/16 15:30:05 24 31 320 342 428 4.1*1 1.2e+14 6.3e+28 23 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/10/17 09:54:05 287 15 699 710 731 2.5 ---- ---- 288 C2 C3 195 PHTX DST Java Movie
    2003/10/17 16:06:05 143 134 189 135 0 -10.1*1 2.0e+14*2 3.6e+28*2 128 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2; Partial Halo
    2003/10/18 05:54:31 69 10 707 659 592 -9.5 ---- ---- 67 C2 C3 195 PHTX DST Java Movie
    2003/10/18 07:31:57 159 24 397 458 690 15.9*1 2.0e+14 1.6e+29 156 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/10/18 09:07:10 71 12 778 800 827 4.8 ---- ---- 65 C2 C3 195 PHTX DST Java Movie
    2003/10/18 15:30:21 Halo (BA) 360 627 621 624 -0.5 7.2e+15*2 1.4e+31*2 101 C2 C3 195 PHTX DST Java Movie
    2003/10/18 20:59:19 81 54 652 773 762 14.0 2.5e+15 5.3e+30 75 C2 C3 195 PHTX DST Java Movie
    2003/10/18 21:30:22 188 85 309 388 429 5.5*1 4.2e+14 2.0e+29 193 C2 C3 195 PHTX DST Java Movie
    2003/10/18 21:30:22 111 136 509 761 688 16.4 6.0e+15*2 7.8e+30*2 125 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/10/18 23:55:27 98 114 544 569 566 2.3*1 5.9e+15 8.8e+30 105 C2 C3 195 PHTX DST Java Movie
    2003/10/19 06:54:05 53 38 798 933 1296 53.2*1 2.7e+14*2 8.6e+29*2 53 C2 C3 195 PHTX DST Java Movie
    2003/10/19 08:30:07 84 53 469 548 512 4.6 8.8e+14 9.6e+29 90 C2 C3 195 PHTX DST Java Movie
    2003/10/19 17:08:06 34 150 472 508 516 3.1 7.3e+15*2 8.1e+30*2 49 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/10/19 19:52:05 104 >113 799 965 1090 34.5*1 1.4e+15 4.3e+30 135 C2 C3 195 PHTX DST Java Movie Poor Event; Uncertain Width
    2003/10/19 22:30:05 241 23 469 387 0 -13.5*1 3.2e+14 3.5e+29 249 C2 C3 195 PHTX DST Java Movie
    2003/10/21 03:54:05 Halo (OA) 360 1484 923 1059 -124.3 1.2e+16*2 1.3e+32*2 117 C2 C3 195 PHTX DST Java Movie MailLog1
    2003/10/21 16:06:05 100 24 533 769 812 24.3*1 7.7e+14 1.1e+30 102 C2 C3 195 PHTX DST Java Movie
    2003/10/21 19:54:05 118 47 720 957 849 20.7*1 5.8e+15 1.5e+31 119 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/10/21 20:58:43 108 75 602 895 1050 44.2*1 6.5e+15 1.2e+31 92 C2 C3 195 PHTX DST Java Movie
    2003/10/21 23:30:05 90 39 824 671 472 -30.7*1 8.4e+14 2.9e+30 72 C2 C3 195 PHTX DST Java Movie
    2003/10/22 01:31:39 99 54 666 1165 1110 52.7*1 3.8e+15 8.3e+30 97 C2 C3 195 PHTX DST Java Movie
    2003/10/22 03:54:05 104 101 1163 1209 1257 14.4 5.8e+15 3.9e+31 64 C2 C3 195 PHTX DST Java Movie
    2003/10/22 08:30:32 286 >267 719 1080 1009 37.0 1.1e+16*2 2.8e+31*2 352 C2 C3 195 PHTX DST Java Movie UVCS Uncertain Width; Partial Halo
    2003/10/22 15:30:05 85 18 1054 1302 1571 77.0*1 ---- ---- 87 C2 C3 195 PHTX DST Java Movie
    2003/10/22 16:30:05 88 23 1040 1055 1073 4.4 2.7e+14 1.5e+30 82 C2 C3 195 PHTX DST Java Movie
    2003/10/22 20:06:05 93 134 1085 880 949 -31.9 9.8e+15*2 5.7e+31*2 73 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/10/23 03:06:05 102 46 656 616 391 -13.9 6.3e+14 1.4e+30 88 C2 C3 195 PHTX DST Java Movie
    2003/10/23 07:31:39 88 20 1090 1299 1763 98.4*1 1.0e+14*2 6.1e+29*2 85 C2 C3 195 PHTX DST Java Movie
    2003/10/23 08:54:05 53 >236 1406 1333 1350 -16.5 1.2e+16*2 1.2e+32*2 67 C2 C3 195 PHTX DST Java Movie UVCS Uncertain Width; Partial Halo
    2003/10/23 13:54:05 258 36 511 569 689 11.4*1 8.1e+14 1.1e+30 260 C2 C3 195 PHTX DST Java Movie
    2003/10/23 20:06:05 103 95 1136 933 1071 -26.1 1.1e+16 7.2e+31 111 C2 C3 195 PHTX DST Java Movie UVCS
    2003/10/24 02:54:05 113 123 1055 1033 1041 -3.0 1.2e+16*2 6.9e+31*2 113 C2 C3 195 PHTX DST Java Movie UVCS Partial Halo
    2003/10/24 05:30:06 122 44 1233 1071 993 -41.7 1.0e+15 8.0e+30 119 C2 C3 195 PHTX DST Java Movie UVCS
    2003/10/24 16:30:05 116 88 384 530 649 15.2*1 2.1e+15 1.5e+30 114 C2 C3 195 PHTX DST Java Movie Poor Event
    2003/10/24 20:06:30 112 38 399 291 0 -19.2*1 1.0e+15 8.2e+29 106 C2 C3 195 PHTX DST Java Movie
    2003/10/25 05:18:14 127 113 685 482 325 -31.5 4.4e+15 1.0e+31 103 C2 C3 195 PHTX DST Java Movie
    2003/10/25 08:30:05 332 51 235 201 0 -12.8*1 1.4e+14*2 3.8e+28*2 332 C2 C3 195 PHTX DST Java Movie Only C2
    2003/10/26 01:31:46 256 75 419 464 542 6.4 2.8e+15 2.4e+30 259 C2 C3 195 PHTX DST Java Movie UVCS
    2003/10/26 05:30:05 267 86 684 699 714 3.0 7.2e+15 1.7e+31 242 C2 C3 195 PHTX DST Java Movie
    2003/10/26 06:54:30 108 >207 1371 1050 1249 -62.1*1 1.2e+16*2 1.2e+32*2 56 C2 C3 195 PHTX DST Java Movie Uncertain Width; Partial Halo
    2003/10/26 08:30:05 344 96 258 412 380 6.2*1 1.4e+16 4.5e+30 319 C2 C3 195 PHTX DST Java Movie
    2003/10/26 10:34:08 85 27 929 1071 1005 16.4 1.0e+14 4.3e+29 80 C2 C3 195 PHTX DST Java Movie
    2003/10/26 17:54:05 270 >171 1537 1561 1550 4.8 2.0e+16*2 2.4e+32*2 235 C2 C3 195 PHTX DST Java Movie UVCS Uncertain Width; Partial Halo
    2003/10/27 04:30:05 303 48 481 633 803 22.1*1 2.5e+15 2.8e+30 296 C2 C3 195 PHTX DST Java Movie
    2003/10/27 05:06:06 130 24 323 307 280 -1.5*1 2.0e+14 1.1e+29 126 C2 C3 195 PHTX DST Java Movie
    2003/10/27 08:30:05 265 144 1322 1381 1371 11.7 4.5e+15*2 3.9e+31*2 274 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/10/27 13:31:47 317 45 1005 939 878 -19.9 4.1e+14 2.1e+30 326 C2 C3 195 PHTX DST Java Movie
    2003/10/27 20:30:06 312 43 990 957 952 -6.5 9.5e+14 4.7e+30 322 C2 C3 195 PHTX DST Java Movie
    2003/10/28 05:54:05 280 17 602 741 1537 97.0*1 ---- ---- 280 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/10/28 06:30:05 299 15 684 534 0 -37.6 ---- ---- 306 C2 C3 195 PHTX DST Java Movie
    2003/10/28 07:31:43 114 16 394 --- --- --- ---- ---- 114 C2 C3 195 PHTX DST Java Movie Only 2 points; Only C2
    2003/10/28 09:30:05 88 22 853 708 373 -37.1 1.5e+15 5.5e+30 86 C2 C3 195 PHTX DST Java Movie UVCS
    2003/10/28 10:54:05 124 147 1054 --- --- --- 1.1e+15*2 5.9e+30*2 115 C2 C3 195 PHTX DST Java Movie Only 2 points; Only C2; Partial Halo
    2003/10/28 11:30:05 Halo (S) 360 2459 2229 2268 -105.2*1 ---- ---- 15 C2 C3 195 PHTX DST Java Movie UVCS MailLog1
    2003/10/29 10:16:53 200 114 922 1121 1011 35.0*1 1.6e+17 6.9e+32 182 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C3
    2003/10/29 20:54:05 Halo (BA) 360 2029 1670 1519 -146.5 1.7e+16*2 3.4e+32*2 190 C2 C3 195 PHTX DST Java Movie UVCS MailLog1
    2003/10/31 04:42:50 303 50 2126 2063 2080 -23.4*1 7.2e+14*2 1.6e+31*2 296 C2 C3 195 PHTX DST Java Movie
    2003/10/31 07:02:06 137 44 62 152 242 2.5 7.6e+14 1.5e+28 129 C2 C3 195 PHTX DST Java Movie
    2003/10/31 17:30:06 240 34 309 354 485 6.8 8.8e+14 4.2e+29 239 C2 C3 195 PHTX DST Java Movie
    2003/10/31 20:30:05 90 10 605 619 641 2.9*1 ---- ---- 91 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).