• 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
    2002/12/01 03:30:11 80 20 437 467 550 5.9*1 2.7e+14 2.6e+29 84 C2 C3 195 PHTX DST Java Movie
    2002/12/01 06:30:05 308 34 344 461 1252 65.5*1 2.0e+14*2 1.2e+29*2 309 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2002/12/01 10:34:05 246 73 484 600 587 8.2 5.5e+15 6.5e+30 234 C2 C3 195 PHTX DST Java Movie UVCS
    2002/12/01 16:06:05 80 21 631 586 572 -5.4 5.1e+14 1.0e+30 75 C2 C3 195 PHTX DST Java Movie
    2002/12/01 18:30:05 261 56 736 672 647 -9.4 4.9e+13 1.3e+29 253 C2 C3 195 PHTX DST Java Movie
    2002/12/02 03:30:05 77 18 339 252 0 -28.0*1 ---- ---- 74 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/02 17:54:05 Halo (BA) 360 867 955 934 10.9 ---- ---- 286 C2 C3 195 PHTX DST Java Movie UVCS MailLog1
    2002/12/02 22:06:05 68 52 613 568 520 -7.0*1 9.4e+14 1.8e+30 71 C2 C3 195 PHTX DST Java Movie
    2002/12/02 22:06:05 249 55 581 711 646 9.0 1.2e+15 2.0e+30 239 C2 C3 195 PHTX DST Java Movie
    2002/12/03 13:27:20 69 20 853 883 921 7.5*1 1.4e+14 5.1e+29 60 C2 C3 195 PHTX DST Java Movie
    2002/12/03 20:50:06 319 86 413 520 528 8.2*1 3.3e+14 2.8e+29 338 C2 C3 195 PHTX DST Java Movie
    2002/12/04 02:26:05 31 35 578 488 395 -13.0 2.3e+14 3.8e+29 19 C2 C3 195 PHTX DST Java Movie
    2002/12/04 03:06:06 63 19 481 414 188 -11.9*1 ---- ---- 60 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/04 03:26:05 339 38 301 356 351 2.7*1 1.1e+14 4.8e+28 339 C2 C3 195 PHTX DST Java Movie
    2002/12/04 17:26:05 331 41 238 266 317 2.4*1 1.8e+14 5.2e+28 326 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2002/12/04 23:06:05 102 162 825 684 778 -13.5 2.0e+16*2 6.8e+31*2 50 C2 C3 195 PHTX DST Java Movie Partial Halo
    2002/12/06 13:31:47 49 28 291 331 362 2.8*1 2.0e+14 8.5e+28 48 C2 C3 195 PHTX DST Java Movie
    2002/12/07 00:30:05 63 39 249 223 197 -1.5*1 4.0e+14 1.2e+29 54 C2 C3 195 PHTX DST Java Movie
    2002/12/07 14:30:06 47 65 529 537 540 0.8 6.4e+15 9.0e+30 46 C2 C3 195 PHTX DST Java Movie
    2002/12/08 23:54:05 Halo (OA) 360 1339 1372 1356 5.3 6.6e+15*2 5.9e+31*2 101 C2 C3 195 PHTX DST Java Movie UVCS
    2002/12/09 23:30:05 96 187 749 707 733 -3.7 7.1e+15*2 2.0e+31*2 91 C2 C3 195 PHTX DST Java Movie Partial Halo
    2002/12/10 06:06:05 114 164 175 196 335 3.7*1 1.7e+15*2 2.6e+29*2 118 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2; Partial Halo
    2002/12/10 14:54:31 259 18 872 750 0 -48.9*1 ---- ---- 259 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/10 16:30:05 63 93 237 277 327 2.8*1 3.2e+15 9.0e+29 59 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/10 20:06:05 154 112 176 163 0 -3.8*1 8.8e+14*2 1.4e+29*2 170 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2002/12/11 17:30:05 83 18 396 524 1143 50.8*1 ---- ---- 84 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2002/12/11 17:54:05 304 68 188 166 0 -5.6*1 1.8e+14 3.3e+28 300 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2002/12/12 01:31:49 297 13 623 707 1081 38.8*1 ---- ---- 299 C2 C3 195 PHTX DST Java Movie
    2002/12/12 02:30:07 99 146 187 261 660 17.4*1 2.6e+14*2 4.6e+28*2 55 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2; Partial Halo
    2002/12/12 12:30:05 88 55 647 697 669 3.7 1.6e+15 3.4e+30 95 C2 C3 195 PHTX DST Java Movie
    2002/12/12 13:31:50 287 51 723 716 711 -1.3 2.9e+14 7.5e+29 296 C2 C3 195 PHTX DST Java Movie
    2002/12/13 01:31:47 77 52 502 485 460 -2.4*1 2.2e+14 2.8e+29 70 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/13 02:54:07 179 77 199 391 312 4.9*1 3.7e+15 7.2e+29 179 C2 C3 195 PHTX DST Java Movie
    2002/12/13 13:54:05 50 71 385 406 491 4.9*1 7.1e+14 5.3e+29 53 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/13 20:06:05 48 105 423 434 459 1.8*1 1.6e+15 1.4e+30 68 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2002/12/13 23:30:05 225 75 334 377 375 2.2 9.9e+14 5.5e+29 231 C2 C3 195 PHTX DST Java Movie
    2002/12/13 23:54:05 313 80 787 738 745 -5.9 9.2e+14 2.8e+30 291 C2 C3 195 PHTX DST Java Movie
    2002/12/14 09:30:15 272 6 697 564 0 -84.3*1 ---- ---- 271 C2 C3 195 PHTX DST Java Movie Only 3 points
    2002/12/15 04:30:05 219 95 404 408 409 0.3 2.3e+15 1.9e+30 203 C2 C3 195 PHTX DST Java Movie
    2002/12/16 12:54:05 53 40 405 303 0 -23.5*1 3.5e+14 2.9e+29 56 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/16 17:54:07 42 67 211 351 562 13.4*1 1.2e+15 2.7e+29 52 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/17 05:54:05 12 87 89 165 180 1.4*1 2.1e+15 8.4e+28 29 C2 C3 195 PHTX DST Java Movie
    2002/12/17 14:54:05 146 39 596 667 1082 39.0*1 1.5e+14*2 2.7e+29*2 143 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2002/12/17 22:30:05 143 28 ---- --- --- --- 1.1e+14*2 5.5e+23*2 142 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2; Unable to measure
    2002/12/18 04:06:05 112 15 578 756 1740 124.2*1 ---- ---- 115 C2 C3 195 PHTX DST Java Movie Only 3 points; Only C2
    2002/12/18 08:06:07 31 29 302 358 702 18.0*1 4.0e+13 1.8e+28 29 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2002/12/18 16:30:05 110 51 749 994 892 23.2 7.3e+15 2.0e+31 109 C2 C3 195 PHTX DST Java Movie UVCS
    2002/12/18 21:30:06 55 184 372 325 314 -3.2 5.9e+14*2 4.1e+29*2 92 C2 C3 195 PHTX DST Java Movie Partial Halo
    2002/12/19 06:30:05 149 17 609 681 794 14.4*1 ---- ---- 152 C2 C3 195 PHTX DST Java Movie
    2002/12/19 08:54:06 Halo (S) 360 433 333 368 -5.9 1.9e+14*2 1.8e+29*2 173 C2 C3 195 PHTX DST Java Movie
    2002/12/19 20:30:05 245 15 504 417 0 -15.8 ---- ---- 241 C2 C3 195 PHTX DST Java Movie
    2002/12/19 22:06:05 Halo (BA) 360 1092 855 970 -36.2 5.8e+15*2 3.5e+31*2 300 C2 C3 195 PHTX DST Java Movie
    2002/12/20 05:06:05 244 17 473 384 0 -18.9*1 ---- ---- 244 C2 C3 195 PHTX DST Java Movie
    2002/12/20 09:06:05 100 83 608 531 553 -7.0*1 2.1e+15 3.9e+30 90 C2 C3 195 PHTX DST Java Movie
    2002/12/20 13:31:46 132 25 365 393 683 16.2*1 1.7e+14*2 1.2e+29*2 142 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2002/12/21 02:30:05 2 225 1072 1053 1056 -3.0*1 ---- ---- 16 C2 C3 195 PHTX DST Java Movie Partial Halo
    2002/12/21 23:07:18 251 8 400 562 1654 116.0*1 ---- ---- 254 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2002/12/22 03:30:11 328 272 1071 989 1055 -10.1 5.6e+15*2 3.2e+31*2 294 C2 C3 195 PHTX DST Java Movie Partial Halo
    2002/12/22 18:54:05 87 83 188 183 28 -1.5*1 1.9e+14 3.4e+28 93 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2002/12/23 07:31:48 269 8 351 387 588 10.9*1 ---- ---- 273 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/23 13:54:05 111 80 195 154 0 -14.1*1 7.6e+13 1.4e+28 127 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2002/12/23 21:54:05 104 30 313 275 121 -4.5*1 1.4e+14 6.7e+28 101 C2 C3 195 PHTX DST Java Movie
    2002/12/24 07:32:19 237 10 435 290 0 -46.9*1 ---- ---- 241 C2 C3 195 PHTX DST Java Movie
    2002/12/24 12:54:32 92 15 901 1022 1289 47.2*1 ---- ---- 95 C2 C3 195 PHTX DST Java Movie Only 3 points
    2002/12/24 17:54:06 234 119 161 227 281 3.0 3.4e+15 4.4e+29 224 C2 C3 195 PHTX DST Java Movie
    2002/12/25 21:08:05 209 82 372 329 245 -4.6 2.7e+14 1.9e+29 203 C2 C3 195 PHTX DST Java Movie
    2002/12/26 04:30:32 261 18 332 387 881 31.1*1 ---- ---- 266 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2002/12/26 14:54:05 255 19 872 809 817 -8.8 ---- ---- 263 C2 C3 195 PHTX DST Java Movie
    2002/12/26 18:30:05 234 20 393 402 502 4.4*1 3.5e+13*2 2.7e+28*2 239 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2002/12/26 18:30:05 80 24 1075 1117 1100 5.7 3.3e+15 1.9e+31 81 C2 C3 195 PHTX DST Java Movie
    2002/12/27 09:30:05 257 68 177 176 170 -0.1*1 4.5e+14 7.1e+28 266 C2 C3 195 PHTX DST Java Movie
    2002/12/28 09:54:05 241 18 755 644 0 -43.4*1 ---- ---- 250 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/28 13:54:05 297 69 399 377 330 -2.8*1 1.7e+15 1.3e+30 315 C2 C3 195 PHTX DST Java Movie
    2002/12/28 16:30:06 304 84 901 1299 1092 39.5 9.9e+15 4.0e+31 321 C2 C3 195 PHTX DST Java Movie
    2002/12/28 23:06:53 55 72 655 527 330 -23.3*1 4.8e+14 1.0e+30 49 C2 C3 195 PHTX DST Java Movie
    2002/12/29 20:30:30 243 16 577 608 665 6.3*1 ---- ---- 253 C2 C3 195 PHTX DST Java Movie
    2002/12/30 01:54:05 229 10 1030 1127 1170 22.1 ---- ---- 226 C2 C3 195 PHTX DST Java Movie
    2002/12/30 03:06:05 244 13 717 603 0 -39.4*1 ---- ---- 252 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/30 11:07:22 79 11 605 506 43 -21.7*1 ---- ---- 79 C2 C3 195 PHTX DST Java Movie
    2002/12/30 18:54:06 317 69 633 778 1118 47.1*1 1.4e+14*2 2.9e+29*2 305 C2 C3 195 PHTX DST Java Movie Poor Event
    2002/12/30 23:06:05 245 18 483 435 316 -8.3 ---- ---- 250 C2 C3 195 PHTX DST Java Movie
    2002/12/30 23:06:05 272 28 616 747 722 12.5*1 1.2e+15 2.3e+30 283 C2 C3 195 PHTX DST Java Movie
    2002/12/31 05:30:07 81 14 759 492 611 -29.2 ---- ---- 83 C2 C3 195 PHTX DST Java Movie UVCS
    2002/12/31 08:54:32 155 50 287 368 747 21.4*1 5.0e+14 2.1e+29 152 C2 C3 195 PHTX DST Java Movie Only C2
    2002/12/31 21:54:06 107 156 789 881 1093 29.5 2.0e+15*2 6.3e+30*2 143 C2 C3 195 PHTX DST Java Movie Partial Halo
    2002/12/31 22:30:05 313 153 366 462 443 5.2 6.7e+15*2 4.5e+30*2 303 C2 C3 195 PHTX DST Java Movie UVCS Partial Halo

    *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).