• 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] Daily Movies
    and Plots     		Remarks
    2003/08/01 00:54:05 322 37 179 384 411 7.8*1 2.7e+14 4.3e+28 323 C2 C3 195 PHTX DST Java Movie
    2003/08/01 12:54:05 214 28 587 875 908 30.2*1 2.2e+14 3.8e+29 211 C2 C3 195 PHTX DST Java Movie
    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
    2003/08/02 08:30:05 111 7 316 284 0 -9.7*1 ---- ---- 113 C2 C3 195 PHTX DST Java Movie
    2003/08/03 00:30:05 Halo (BA) 360 699 603 543 -13.9 ---- ---- 193 C2 C3 195 PHTX DST Java Movie
    2003/08/03 21:30:08 270 112 290 234 0 -6.1*1 2.2e+14 9.1e+28 287 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 1.2e+14 7.8e+28 299 C2 C3 195 PHTX DST Java Movie
    2003/08/05 12:30:05 28 26 498 741 1324 71.5*1 ---- ---- 27 C2 C3 195 PHTX DST Java Movie Only 3 points
    2003/08/05 19:31:38 336 57 553 636 691 10.9 1.3e+13 2.0e+28 335 C2 C3 195 PHTX DST Java Movie
    2003/08/06 10:30:19 217 94 390 451 547 7.8*1 9.8e+13 7.4e+28 227 C2 C3 195 PHTX DST Java Movie
    2003/08/07 00:30:05 249 24 373 362 259 -3.5*1 1.6e+13*2 1.1e+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 ---- ---- 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 ---- ---- 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 2.4e+13*2 1.7e+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 2.3e+14 2.3e+29 176 C2 C3 195 PHTX DST Java Movie
    2003/08/09 10:56:09 351 13 562 605 658 6.9 2.5e+13 4.0e+28 349 C2 C3 195 PHTX DST Java Movie
    2003/08/10 15:30:05 122 69 645 730 735 9.7 1.8e+14 3.7e+29 119 C2 C3 195 PHTX DST Java Movie
    2003/08/10 15:54:05 39 44 230 241 315 2.2*1 5.2e+13 1.4e+28 40 C2 C3 195 PHTX DST Java Movie
    2003/08/10 23:30:05 261 16 468 555 830 22.5 1.4e+13 1.5e+28 257 C2 C3 195 PHTX DST Java Movie
    2003/08/11 09:30:05 308 14 461 450 334 -4.7*1 1.4e+13 1.4e+28 308 C2 C3 195 PHTX DST Java Movie 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 7.3e+13 6.6e+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 ---- ---- 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 ---- ---- 358 C2 C3 195 PHTX DST Java Movie Only 3 points
    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 ---- ---- 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 3.9e+14 4.6e+28 228 C2 C3 195 PHTX DST Java Movie
    2003/08/15 20:30:05 123 15 380 432 477 5.0 5.6e+13 4.0e+28 126 C2 C3 195 PHTX DST Java Movie
    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 12:30:05 302 19 497 683 704 16.8 4.2e+11 5.2e+26 300 C2 C3 195 PHTX DST Java Movie
    2003/08/16 20:29:58 246 60 565 543 496 -4.2 5.0e+11 7.9e+26 254 C2 C3 195 PHTX DST Java Movie
    2003/08/17 17:54:05 139 201 111 279 355 5.3 ---- ---- 97 C2 C3 195 PHTX DST Java Movie Partial Halo
    2003/08/18 03:06:05 260 54 551 397 353 -14.6 2.9e+15 4.4e+30 262 C2 C3 195 PHTX DST Java Movie
    2003/08/18 08:54:05 283 59 439 396 0 -12.9 ---- ---- 289 C2 C3 195 PHTX DST Java Movie
    2003/08/18 14:30:05 281 58 340 376 759 20.2*1 ---- ---- 272 C2 C3 195 PHTX DST Java Movie Only C2
    2003/08/18 20:54:28 282 65 482 410 0 -14.0 2.1e+14 2.5e+29 299 C2 C3 195 PHTX DST Java Movie
    2003/08/19 04:30:29 259 64 388 426 590 9.5 8.2e+13 6.2e+28 274 C2 C3 195 PHTX DST Java Movie
    2003/08/19 05:30:07 288 57 324 325 330 0.2 2.2e+13 1.1e+28 305 C2 C3 195 PHTX DST Java Movie
    2003/08/19 08:06:05 38 31 116 175 511 11.3*1 1.9e+14 1.3e+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 5.8e+13*2 4.9e+28*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 3.4e+14*2 1.5e+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 5.4e+14 5.9e+29 275 C2 C3 195 PHTX DST Java Movie
    2003/08/20 11:54:56 77 44 1036 1044 1045 1.4 3.2e+13 1.7e+29 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 2.6e+13 3.2e+28 68 C2 C3 195 PHTX DST Java Movie
    2003/08/21 15:54:05 278 63 231 282 848 28.4*1 ---- ---- 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 ---- ---- 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 2.0e+14 3.0e+29 54 C2 C3 195 PHTX DST Java Movie
    2003/08/23 02:50:06 237 67 801 902 964 19.8 8.7e+13 2.8e+29 268 C2 C3 195 PHTX DST Java Movie
    2003/08/23 23:26:06 238 74 489 427 0 -15.4 1.8e+13 2.2e+28 252 C2 C3 195 PHTX DST Java Movie
    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 ---- ---- 120 C2 C3 195 PHTX DST Java Movie
    2003/08/25 10:26:05 75 56 369 402 496 5.6*1 5.2e+14 3.5e+29 74 C2 C3 195 PHTX DST Java Movie