• 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
    2010/09/01 07:00:05 239 20 323 374 661 15.1*1 1.6e+13 8.2e+27 238 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/09/01 10:12:05 254 51 477 430 389 -5.3 1.2e+15 1.4e+30 233 C2 C3 PHTX DST Java Movie
    2010/09/01 14:00:05 242 93 716 791 791 9.3*1 4.8e+14 1.2e+30 227 C2 C3 PHTX DST Java Movie
    2010/09/01 19:48:05 325 11 492 659 1487 91.2*1 ---- ---- 327 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/09/01 20:12:05 232 9 274 246 0 -6.3*1 ---- ---- 232 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/09/01 22:24:08 245 95 500 363 172 -16.6*1 1.4e+15 1.7e+30 215 C2 C3 PHTX DST Java Movie
    2010/09/02 00:24:05 321 6 651 771 1388 68.8*1 ---- ---- 324 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/09/02 09:48:06 233 33 393 319 198 -7.3 5.6e+14 4.3e+29 221 C2 C3 PHTX DST Java Movie
    2010/09/02 16:36:05 230 17 227 181 0 -7.7*1 ---- ---- 228 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/09/02 19:24:07 73 69 202 316 382 6.2*1 1.8e+15 3.7e+29 91 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/04 05:06:57 333 33 161 187 447 7.5*1 1.1e+14 1.5e+28 333 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/09/04 08:08:23 289 12 795 514 0 -133.3*1 ---- ---- 284 C2 C3 PHTX DST Java Movie
    2010/09/04 15:12:09 296 16 954 711 0 -101.7*1 ---- ---- 282 C2 C3 PHTX DST Java Movie
    2010/09/04 15:12:09 270 130 567 711 652 9.5 1.1e+16*2 1.8e+31*2 239 C2 C3 PHTX DST Java Movie Partial Halo
    2010/09/05 16:12:05 343 29 574 692 803 18.9*1 2.8e+14 4.6e+29 349 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/06 00:12:06 307 13 425 569 669 17.5*1 ---- ---- 311 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/06 00:48:06 239 15 303 367 765 22.2*1 ---- ---- 243 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/09/06 08:24:05 303 21 317 262 0 -11.9*1 1.5e+14 7.5e+28 296 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/09/07 06:24:06 288 12 480 594 1288 62.6*1 ---- ---- 283 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/07 10:24:05 235 67 128 168 317 3.9*1 1.7e+14 1.4e+28 236 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/09/07 16:12:05 97 81 221 233 258 1.0*1 6.9e+14 1.7e+29 89 C2 C3 PHTX DST Java Movie
    2010/09/08 11:00:05 109 22 300 371 872 29.1*1 1.1e+14 5.0e+28 105 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/08 17:12:06 128 11 402 485 1024 39.4*1 ---- ---- 125 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/08 23:26:43 281 147 818 641 709 -19.4 6.3e+15*2 2.1e+31*2 272 C2 C3 PHTX DST Java Movie Partial Halo
    2010/09/09 00:24:05 111 15 556 314 0 -335.6*1 ---- ---- 111 C2 C3 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2010/09/09 06:48:06 108 21 613 524 0 -29.1*1 7.4e+13 1.4e+29 106 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/10 00:12:05 16 81 288 364 505 9.4*1 2.6e+14 1.1e+29 13 C2 C3 PHTX DST Java Movie
    2010/09/10 04:00:05 109 18 194 201 362 4.0*1 ---- ---- 108 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/10 12:24:06 316 37 295 313 381 2.8*1 8.0e+14 3.5e+29 310 C2 C3 PHTX DST Java Movie
    2010/09/10 18:48:05 142 60 308 354 549 9.5*1 4.1e+14 2.0e+29 131 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/09/11 02:00:06 265 33 199 213 256 1.4*1 3.6e+14 7.1e+28 265 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/11 02:00:06 65 236 469 638 589 10.8 7.7e+15*2 8.5e+30*2 47 C2 C3 PHTX DST Java Movie Partial Halo
    2010/09/11 17:00:05 125 85 493 406 0 -15.6*1 8.1e+14 9.8e+29 112 C2 C3 PHTX DST Java Movie
    2010/09/11 18:24:05 109 52 600 516 283 -15.8*1 4.4e+14 8.0e+29 97 C2 C3 PHTX DST Java Movie
    2010/09/12 00:12:05 124 7 425 502 748 20.5*1 ---- ---- 128 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/12 06:00:05 305 43 499 431 282 -10.2*1 3.3e+14 4.1e+29 309 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/12 07:24:05 136 11 387 519 1272 64.3*1 ---- ---- 137 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/13 01:25:47 297 106 129 372 564 13.7*1 1.7e+15 1.4e+29 309 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/14 04:00:07 277 98 253 558 516 11.2*1 9.2e+15 2.9e+30 284 C2 C3 PHTX DST Java Movie
    2010/09/14 07:48:05 115 42 380 389 427 1.8*1 5.5e+14 4.0e+29 112 C2 C3 PHTX DST Java Movie
    2010/09/15 08:12:05 119 19 203 230 377 4.6*1 ---- ---- 120 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/15 12:48:05 309 65 315 444 561 11.6*1 1.3e+15 6.5e+29 312 C2 C3 PHTX DST Java Movie
    2010/09/16 02:24:05 233 6 382 238 0 -72.1*1 ---- ---- 238 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/16 02:36:06 42 8 442 618 1703 117.2*1 ---- ---- 40 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/16 06:00:05 1 9 671 614 0 -53.7*1 ---- ---- 0 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/16 07:36:06 269 23 287 215 0 -8.6*1 1.5e+14 6.1e+28 264 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/16 13:36:19 311 20 334 243 0 -23.6*1 8.4e+13 4.7e+28 304 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/17 07:00:05 82 38 552 445 0 -18.9*1 5.5e+14 8.3e+29 82 C2 C3 PHTX DST Java Movie
    2010/09/18 18:36:06 114 7 346 287 0 -42.3*1 ---- ---- 116 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/19 02:48:05 341 66 340 441 996 39.5*1 1.2e+14 6.8e+28 339 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/19 12:24:05 42 53 176 156 0 -2.8*1 2.1e+14 3.3e+28 39 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/20 02:12:05 134 49 131 380 424 7.7*1 5.1e+14 4.4e+28 129 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/21 00:36:05 65 44 337 365 488 5.8*1 9.8e+13 5.6e+28 64 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/21 05:00:05 107 8 189 203 325 3.1*1 ---- ---- 113 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/21 10:48:06 75 38 204 211 279 1.7*1 4.2e+13 8.7e+27 73 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/09/21 15:48:08 78 44 205 177 0 -4.8*1 5.4e+14 1.1e+29 73 C2 C3 PHTX DST Java Movie
    2010/09/22 04:24:05 88 148 521 448 388 -8.3 2.0e+15*2 2.7e+30*2 62 C2 C3 PHTX DST Java Movie Partial Halo
    2010/09/22 16:24:06 330 54 520 654 633 10.0 1.4e+15 1.9e+30 324 C2 C3 PHTX DST Java Movie
    2010/09/22 19:36:06 226 7 436 517 859 25.3*1 ---- ---- 230 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/23 00:12:05 109 10 348 300 0 -13.5*1 ---- ---- 104 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/09/23 02:00:06 98 16 316 304 276 -1.4*1 ---- ---- 100 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/24 18:24:06 177 4 437 748 2611 282.8*1 ---- ---- 177 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/25 13:48:06 101 13 150 179 329 4.5*1 ---- ---- 107 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/09/26 00:00:05 54 10 348 447 878 29.4*1 ---- ---- 56 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/26 17:36:05 257 15 517 587 829 20.4*1 ---- ---- 260 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/26 23:26:46 109 38 223 296 340 3.8*1 1.2e+15 3.0e+29 106 C2 C3 PHTX DST Java Movie
    2010/09/27 03:12:10 262 16 436 417 281 -5.2*1 ---- ---- 261 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/28 03:36:05 235 50 433 638 1176 56.6*1 7.1e+13 6.7e+28 242 C2 C3 PHTX DST Java Movie Poor Event
    2010/09/28 04:24:05 102 19 175 211 477 8.6*1 ---- ---- 102 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/28 06:24:05 305 13 448 681 1613 106.9*1 ---- ---- 304 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/28 16:12:07 261 49 726 726 726 -0.0 9.1e+14 2.4e+30 269 C2 C3 PHTX DST Java Movie
    2010/09/29 10:12:07 30 37 141 124 0 -3.7*1 1.7e+14 1.6e+28 38 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/09/29 16:00:05 191 5 391 525 1532 93.8*1 ---- ---- 191 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/29 19:48:05 317 6 327 296 0 -12.0*1 ---- ---- 318 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/29 22:12:07 191 4 322 283 0 -25.2*1 ---- ---- 194 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/30 13:36:15 15 30 307 310 332 0.7*1 2.4e+12 1.1e+27 10 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/09/30 23:05:34 358 95 399 641 626 14.8 2.0e+15 1.6e+30 337 C2 C3 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).