• 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
    1999/06/01 13:25:14 307 105 300 392 477 7.6 5.6e+15 2.5e+30 313 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/06/01 19:37:35 Halo (OA) 360 1772 1777 1773 1.8*1 1.1e+16*2 1.7e+32*2 359 C2 C3 195 SXT PHTX DST Java Movie Only C3
    1999/06/02 04:50:05 329 39 422 449 511 4.4 2.2e+14 2.0e+29 334 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/02 05:26:05 275 40 289 312 378 3.1*1 3.2e+14 1.3e+29 273 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/02 07:50:05 3 28 336 548 722 23.7*1 3.0e+14 1.7e+29 5 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/02 11:06:05 48 62 440 434 427 -0.7 9.7e+14 9.4e+29 39 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/02 21:26:09 283 160 874 977 935 11.5 9.9e+15*2 3.8e+31*2 276 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    1999/06/03 03:06:05 283 12 562 643 721 12.0 ---- ---- 286 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/03 07:26:52 88 5 521 529 564 2.2*1 ---- ---- 82 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/03 09:06:05 249 25 521 534 587 3.8*1 2.7e+14 3.7e+29 252 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/03 13:26:53 282 32 847 711 308 -47.4*1 6.5e+14*2 2.3e+30*2 287 C2 C3 195 SXT PHTX DST Java Movie 1; Poor Event; Only C3
    1999/06/03 16:50:05 314 34 557 416 0 -41.8*1 3.4e+14 5.3e+29 324 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/04 00:50:06 Halo (OA) 360 803 646 667 -22.7 5.4e+15*2 1.7e+31*2 10 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/04 07:26:54 289 150 2230 1935 2129 -158.8*1 2.6e+15*2 6.5e+31*2 287 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C3; Partial Halo
    1999/06/04 09:26:06 268 59 697 811 777 10.8 1.5e+15 3.7e+30 261 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/04 19:26:51 46 27 695 986 2084 192.1*1 2.1e+14*2 5.1e+29*2 48 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only 3 points
    1999/06/04 23:26:05 60 74 332 302 251 -2.9 5.0e+14 2.7e+29 60 C2 C3 195 SXT PHTX DST Java Movie Difficult to measure the width
    1999/06/05 05:26:05 252 50 300 --- --- --- 3.5e+14*2 1.6e+29*2 262 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    1999/06/05 07:26:54 289 44 252 320 395 5.6*1 1.1e+14 3.4e+28 300 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/06 23:26:06 40 69 140 136 0 -2.4*1 1.3e+14*2 1.3e+28*2 47 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1999/06/07 02:26:05 289 20 534 641 906 28.6*1 2.4e+14 3.4e+29 290 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/07 06:06:05 69 122 269 233 0 -6.9*1 1.0e+15*2 3.7e+29*2 68 C2 C3 195 SXT PHTX DST Java Movie UVCS Partial Halo
    1999/06/07 08:06:05 259 54 535 339 0 -28.0 2.5e+14 3.6e+29 273 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/07 23:26:05 301 55 319 337 357 1.6 ---- ---- 319 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/08 03:50:05 294 60 405 457 474 4.2 6.2e+14 5.1e+29 297 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/08 05:50:05 68 82 638 612 565 -5.2 8.9e+14 1.8e+30 51 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/08 14:50:05 230 8 690 665 649 -3.8*1 ---- ---- 232 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/06/08 21:50:05 Halo (OA) 360 726 626 638 -12.2 8.0e+15*2 2.1e+31*2 11 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/09 01:26:55 27 67 268 214 0 -18.1*1 ---- ---- 27 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2007/07/26; Only C2
    1999/06/09 05:26:05 336 20 278 287 331 1.6*1 2.0e+14 7.6e+28 340 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/09 05:26:05 72 41 369 350 210 -4.5 8.1e+13 5.5e+28 65 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/10 04:26:05 273 44 275 --- --- --- 2.6e+14*2 1.0e+29*2 273 C2 C3 195 SXT PHTX DST Java Movie Only 2 points; Only C2
    1999/06/10 05:26:05 351 131 434 376 257 -7.4 2.2e+15*2 2.1e+30*2 357 C2 C3 195 SXT PHTX DST Java Movie UVCS Partial Halo
    1999/06/10 11:50:05 75 55 215 252 378 4.6*1 5.4e+14 1.3e+29 78 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/10 14:50:05 91 115 412 451 497 4.4 2.8e+15 2.4e+30 87 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/11 01:26:49 288 101 719 560 0 -38.2 3.2e+15 8.2e+30 262 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/06/11 10:26:05 259 16 438 335 0 -14.9 ---- ---- 266 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/11 11:26:05 35 >181 1569 1463 1520 -20.8 1.1e+16*2 1.4e+32*2 38 C2 C3 195 SXT PHTX DST Java Movie Uncertain Width; Partial Halo
    1999/06/12 00:26:05 86 83 562 487 0 -17.9*1 7.8e+14 1.2e+30 84 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/12 09:50:05 48 37 360 371 384 1.1 5.1e+14 3.3e+29 47 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/06/12 14:06:05 242 8 669 518 234 -26.8*1 ---- ---- 253 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/12 14:06:05 96 49 392 467 942 31.8*1 ---- ---- 109 C2 C3 195 SXT PHTX DST Java Movie Only C2
    1999/06/12 21:26:08 Halo (BA) 360 465 380 338 -7.8 2.1e+15*2 2.2e+30*2 337 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/13 02:06:05 239 19 955 837 665 -29.7 ---- ---- 248 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/13 05:50:05 241 36 857 915 973 13.5 2.8e+14 1.0e+30 246 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/13 07:50:05 332 28 220 252 310 2.6*1 2.2e+14 5.4e+28 336 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/13 16:26:05 95 60 385 569 592 12.5 3.3e+15 2.4e+30 92 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/13 17:06:05 200 62 648 641 634 -1.2 1.6e+15 3.3e+30 193 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/13 17:06:05 342 72 359 354 347 -0.5*1 7.7e+14 4.9e+29 351 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/14 12:50:05 129 148 560 753 869 25.1 3.2e+15*2 5.0e+30*2 144 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    1999/06/15 11:26:05 294 98 327 312 253 -2.2 2.1e+15 1.1e+30 300 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/15 23:54:36 121 35 708 492 0 -42.3 4.4e+14 1.1e+30 102 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/16 03:54:06 116 32 1283 999 489 -115.3*1 8.6e+14*2 7.1e+30*2 99 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/16 04:54:05 63 107 979 978 978 -0.0 2.3e+15 1.1e+31 43 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/16 07:54:05 24 67 328 396 459 5.9 2.2e+15 1.2e+30 32 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/16 19:31:24 261 38 ---- --- --- --- ---- ---- 260 C2 C3 195 SXT PHTX DST Java Movie Difficult to measure the width; Very Poor Event; Only C2; Unable to measure
    1999/06/19 12:30:06 54 49 476 445 432 -3.3 1.3e+15 1.5e+30 50 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/19 12:30:06 306 65 262 267 272 0.6*1 ---- ---- 314 C2 C3 195 SXT PHTX DST Java Movie Difficult to measure the width; Only C3
    1999/06/19 15:30:33 47 >93 452 348 395 -6.3 1.5e+15*2 1.5e+30*2 4 C2 C3 195 SXT PHTX DST Java Movie Uncertain Width
    1999/06/19 19:31:26 115 18 610 479 0 -26.8 ---- ---- 110 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/19 19:31:26 278 42 348 379 726 17.9*1 9.3e+14*2 5.6e+29*2 274 C2 C3 195 SXT PHTX DST Java Movie Only C2
    1999/06/19 22:30:05 278 48 352 435 758 20.8 1.1e+15 6.8e+29 271 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/19 23:30:07 49 56 425 298 0 -23.7*1 1.3e+15 1.2e+30 41 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/20 04:21:09 284 46 352 240 0 -30.3*1 ---- ---- 289 C2 C3 195 SXT PHTX DST Java Movie Only C3
    1999/06/20 05:30:05 106 19 1024 813 627 -53.3 ---- ---- 98 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/20 14:30:05 112 26 639 560 459 -13.1*1 1.8e+14 3.7e+29 112 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/20 15:54:05 52 49 591 442 290 -19.6 3.2e+15 5.5e+30 56 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/20 19:31:23 44 32 699 732 738 4.4*1 6.7e+14 1.6e+30 43 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/20 21:54:05 167 17 329 427 942 35.5*1 ---- ---- 170 C2 C3 195 SXT PHTX DST Java Movie Only 3 points; Only C2
    1999/06/21 00:30:05 115 27 643 548 308 -18.5 2.0e+14 4.2e+29 107 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/21 03:54:05 298 60 219 --- --- --- 3.7e+14*2 8.9e+28*2 299 C2 C3 195 SXT PHTX DST Java Movie Only 2 points; Only C2
    1999/06/22 18:54:05 Halo (OA) 360 1133 934 1117 -24.7 9.7e+15*2 6.2e+31*2 40 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/23 02:30:06 255 70 386 460 494 6.0*1 3.0e+15 2.2e+30 257 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/23 05:54:05 254 110 613 459 0 -48.5*1 2.3e+15 4.2e+30 249 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/23 06:06:05 264 >154 450 329 0 -26.7 ---- ---- 258 C2 C3 195 SXT PHTX DST Java Movie Uncertain Width; Partial Halo
    1999/06/23 07:31:24 Halo (OA) 360 1006 988 991 -3.1 1.0e+16*2 5.2e+31*2 46 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/06/23 22:30:08 246 48 190 --- --- --- 4.8e+14*2 8.6e+28*2 248 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    1999/06/24 00:54:05 256 98 503 517 531 1.8 1.5e+15 1.9e+30 266 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/24 13:31:24 Halo (OA) 360 975 1135 1196 32.4 2.3e+15*2 1.1e+31*2 335 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/24 17:55:52 16 38 621 733 708 12.3 7.5e+13 1.4e+29 360 C2 C3 195 SXT PHTX DST Java Movie Only C3
    1999/06/24 22:30:32 347 85 273 476 803 26.6*1 ---- ---- 360 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/25 04:30:05 204 27 325 203 0 -20.5*1 ---- ---- 212 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/25 07:54:05 184 40 146 140 0 -3.2*1 ---- ---- 178 C2 C3 195 SXT PHTX DST Java Movie Only C2
    1999/06/25 09:54:06 90 34 126 --- --- --- ---- ---- 87 C2 C3 195 SXT PHTX DST Java Movie Only 2 points; Only C2
    1999/06/26 07:31:25 11 91 581 419 231 -21.1*1 ---- ---- 1 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/26 07:31:25 Halo (S) 360 558 475 430 -9.8*1 9.7e+14*2 1.5e+30*2 21 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/26 15:30:05 4 28 406 401 401 -0.4*1 5.9e+14 4.9e+29 358 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/26 19:54:05 Halo (BA) 360 364 407 577 9.5*1 1.5e+15*2 1.0e+30*2 90 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/27 00:30:06 271 76 232 241 320 2.2*1 9.2e+14 2.5e+29 271 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/27 08:30:05 89 55 319 352 548 8.9*1 9.8e+14 5.0e+29 75 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1999/06/27 09:06:06 349 86 903 637 849 -27.7 4.7e+15 1.9e+31 338 C2 C3 195 SXT PHTX DST Java Movie UVCS
    1999/06/27 21:30:08 123 15 626 747 949 29.6*1 ---- ---- 115 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/28 01:31:25 112 45 900 931 923 4.4 9.6e+14 3.9e+30 119 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/28 01:31:25 101 60 257 249 220 -0.9 ---- ---- 92 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/28 09:30:05 293 28 255 245 212 -1.0*1 3.9e+14 1.3e+29 303 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/28 11:30:05 237 21 430 350 197 -9.2 4.2e+14 3.9e+29 238 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/28 12:06:07 Halo (OA) 360 560 545 540 -1.6 2.9e+15*2 4.5e+30*2 347 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/28 19:31:21 113 30 701 602 434 -19.6 2.7e+15 6.7e+30 107 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/28 20:30:05 138 62 461 572 931 30.5*1 ---- ---- 133 C2 C3 195 SXT PHTX DST Java Movie Newly inserted on 2006/01/12; Only C2
    1999/06/28 21:30:08 336 >184 903 860 816 -10.5 ---- ---- 328 C2 C3 195 SXT PHTX DST Java Movie UVCS Revised on 2006/01/12; Uncertain Width; Partial Halo
    1999/06/29 02:54:05 257 17 384 394 390 0.5 ---- ---- 252 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/29 05:54:06 58 >164 589 535 456 -8.6 4.6e+15*2 7.9e+30*2 55 C2 C3 195 SXT PHTX DST Java Movie Uncertain Width; Partial Halo
    1999/06/29 07:31:26 Halo (BA) 360 634 643 647 1.1 5.3e+15*2 1.1e+31*2 1 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/29 14:30:05 96 71 352 216 0 -11.8 1.3e+15 7.9e+29 81 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/29 18:54:07 55 132 436 477 482 3.1 ---- ---- 35 C2 C3 195 SXT PHTX DST Java Movie Revised on 2006/01/12; Partial Halo
    1999/06/29 19:54:07 Halo 360 560 495 418 -8.9*1 ---- ---- 320 C2 C3 195 SXT PHTX DST Java Movie Revised on 2006/01/12
    1999/06/30 03:30:07 97 84 470 416 387 -5.2 2.2e+15 2.4e+30 90 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/30 04:30:05 282 >153 1049 831 976 -27.7 7.8e+15*2 4.3e+31*2 272 C2 C3 195 SXT PHTX DST Java Movie UVCS Uncertain Width; Partial Halo
    1999/06/30 05:30:05 116 48 588 439 0 -39.3*1 3.9e+14 6.8e+29 128 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1999/06/30 09:54:05 90 128 486 493 511 1.4 3.1e+15*2 3.6e+30*2 83 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    1999/06/30 11:54:07 Halo (S) 360 406 339 0 -9.6 ---- ---- 3 C2 C3 195 SXT PHTX DST Java Movie
    1999/06/30 13:31:25 76 >146 514 542 527 1.7 8.6e+15*2 1.1e+31*2 67 C2 C3 195 SXT PHTX DST Java Movie Uncertain Width; Partial Halo
    1999/06/30 15:30:54 293 52 730 770 805 7.8 2.4e+15 6.3e+30 300 C2 C3 195 SXT 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).