• 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
    2008/07/01 01:42:04 295 4 309 332 425 4.9*1 1.6e+13 7.6e+27 294 PHTX DST Java Movie Very Poor Event
    2008/07/01 02:50:04 295 16 302 332 367 2.4*1 6.0e+13 2.7e+28 295 PHTX DST Java Movie
    2008/07/01 16:06:04 297 6 144 212 260 2.8*1 1.4e+13 1.4e+27 294 PHTX DST Java Movie Very Poor Event
    2008/07/02 01:27:12 55 8 461 --- --- --- ---- ---- 60 PHTX DST Java Movie only two points; Very Poor Event; Only 2 points; Only C2
    2008/07/02 05:50:04 250 10 397 337 0 -20.6*1 6.5e+12 5.1e+27 256 PHTX DST Java Movie Poor Event; Only C2
    2008/07/03 22:30:04 254 9 375 --- --- --- ---- ---- 260 PHTX DST Java Movie two points; Very Poor Event; Only 2 points; Only C2
    2008/07/04 02:30:04 188 3 297 570 2415 241.7*1 8.8e+10*2 3.9e+25*2 192 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/04 17:54:04 251 17 432 521 1130 49.9*1 1.3e+13*2 1.2e+28*2 256 PHTX DST Java Movie Poor Event; Only C2
    2008/07/05 01:31:38 130 10 515 382 0 -78.4*1 8.7e+13*2 1.2e+29*2 124 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/05 10:33:59 246 9 286 297 430 4.6*1 3.6e+11 1.5e+26 253 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/05 19:31:36 116 30 327 300 221 -3.2*1 2.0e+13 1.1e+28 114 PHTX DST Java Movie
    2008/07/06 00:30:05 120 18 483 355 298 -12.1*1 1.2e+13 1.4e+28 112 PHTX DST Java Movie Very Poor Event
    2008/07/06 12:06:04 120 25 337 500 482 8.3*1 1.3e+14 7.2e+28 114 PHTX DST Java Movie
    2008/07/06 23:06:51 112 8 359 458 499 8.1*1 7.6e+12 4.9e+27 110 PHTX DST Java Movie Very Poor Event
    2008/07/07 03:30:04 114 8 323 371 472 6.4*1 9.3e+12 4.8e+27 110 PHTX DST Java Movie Very Poor Event
    2008/07/07 04:30:06 13 7 379 703 2609 287.3*1 2.7e+11*2 2.0e+26*2 15 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/07 09:54:04 12 7 405 364 0 -39.1*1 2.8e+12*2 2.3e+27*2 15 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/07 09:54:04 160 132 235 675 628 16.2*1 1.9e+13*2 5.2e+27*2 138 PHTX DST Java Movie Partial Halo
    2008/07/09 10:30:17 354 5 662 385 0 -158.8*1 2.6e+12*2 5.8e+27*2 356 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/09 18:06:04 356 5 447 297 0 -104.2*1 4.5e+11*2 4.5e+26*2 357 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/10 05:06:04 353 4 288 298 461 5.5*1 3.1e+11*2 1.3e+26*2 352 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/10 07:06:04 76 9 201 268 299 3.2*1 1.4e+14 2.9e+28 80 PHTX DST Java Movie Poor Event
    2008/07/10 07:30:05 353 7 400 295 0 -58.4*1 9.3e+12*2 7.5e+27*2 354 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/10 15:06:26 270 21 426 607 848 27.0*1 3.0e+12 2.7e+27 269 PHTX DST Java Movie Very Poor Event
    2008/07/10 21:30:07 17 7 394 520 1650 110.9*1 ---- ---- 26 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/11 06:30:04 77 8 141 77 0 -35.9*1 5.6e+12*2 5.5e+26*2 78 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/11 09:54:17 253 36 186 212 307 3.1*1 7.6e+13 1.3e+28 249 PHTX DST Java Movie Very Poor Event
    2008/07/11 19:31:37 18 7 683 479 0 -147.6*1 5.0e+12*2 1.2e+28*2 24 PHTX DST Java Movie Very Poor Event; Only 3 points
    2008/07/12 01:31:38 332 4 111 25 0 -20.6*1 ---- ---- 329 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/12 17:30:05 118 40 363 395 425 2.9*1 8.7e+13 5.8e+28 98 PHTX DST Java Movie
    2008/07/13 14:06:04 56 7 281 349 404 5.2*1 1.3e+14 5.2e+28 60 PHTX DST Java Movie Very Poor Event
    2008/07/14 07:06:04 102 15 336 382 667 14.9*1 2.1e+13 1.2e+28 102 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/14 10:30:15 97 29 232 252 270 1.2*1 2.6e+13 7.0e+27 84 PHTX DST Java Movie Very Poor Event
    2008/07/15 01:31:41 175 4 531 590 1224 55.5*1 9.4e+11*2 1.3e+27*2 173 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/16 17:54:04 18 5 236 172 0 -22.3*1 1.9e+12 5.2e+26 23 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/16 23:30:04 171 6 319 461 1707 125.3*1 1.7e+12*2 8.6e+26*2 168 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/17 01:31:38 171 5 357 --- --- --- 1.2e+12*2 7.6e+26*2 171 PHTX DST Java Movie only two points; Very Poor Event; Only 2 points; Only C2
    2008/07/17 10:30:18 73 6 149 217 244 2.2*1 1.8e+14 2.0e+28 78 PHTX DST Java Movie Very Poor Event
    2008/07/17 13:31:40 96 29 212 76 0 -51.3*1 2.2e+12 5.0e+26 95 PHTX DST Java Movie Poor Event; Only C2
    2008/07/18 02:06:06 69 8 196 167 0 -2.3*1 3.3e+13 6.3e+27 72 PHTX DST Java Movie Very Poor Event
    2008/07/19 00:54:04 241 7 177 177 177 -0.0*1 2.1e+12 3.4e+26 248 PHTX DST Java Movie Very Poor Event
    2008/07/19 17:30:04 243 14 190 170 0 -8.5*1 ---- ---- 249 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/19 22:30:04 97 21 119 98 0 -6.8*1 1.5e+13 1.0e+27 99 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/20 07:31:41 294 16 284 503 1215 64.2*1 7.9e+12 3.2e+27 289 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/20 10:34:03 116 14 110 100 0 -4.0*1 1.5e+13 9.0e+26 104 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/21 05:06:04 28 10 358 541 1770 127.5*1 2.2e+12*2 1.4e+27*2 32 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/21 13:31:38 228 47 200 250 526 11.0*1 ---- ---- 223 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/21 18:30:04 290 26 318 337 361 1.7*1 7.2e+13 3.7e+28 284 PHTX DST Java Movie Poor Event
    2008/07/21 21:54:04 161 6 205 182 0 -10.4*1 4.9e+11*2 1.0e+26*2 159 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/22 16:06:04 33 10 326 110 0 -148.9*1 1.1e+11*2 5.7e+25*2 39 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/22 18:54:04 274 5 255 241 95 -3.0*1 9.6e+12 3.1e+27 279 PHTX DST Java Movie Very Poor Event
    2008/07/22 21:30:09 189 6 518 481 0 -33.1*1 ---- ---- 189 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/23 05:30:04 201 7 441 730 2471 255.1*1 ---- ---- 202 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/23 15:30:04 94 15 167 150 0 -1.8*1 4.3e+13 6.0e+27 93 PHTX DST Java Movie Very Poor Event
    2008/07/24 00:54:04 289 14 224 252 461 7.4*1 1.7e+13 4.3e+27 284 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/24 05:54:04 286 11 278 411 955 37.0*1 1.2e+13 4.7e+27 287 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/25 12:54:04 250 7 296 234 0 -20.3*1 3.8e+12 1.7e+27 254 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/26 08:06:04 131 10 191 159 0 -13.0*1 5.6e+12*2 1.0e+27*2 123 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/26 11:30:04 211 4 246 281 885 30.6*1 9.7e+11*2 2.9e+26*2 215 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/07/26 19:30:04 255 17 244 267 328 2.4*1 1.5e+13 4.4e+27 261 PHTX DST Java Movie Poor Event
    2008/07/27 17:06:04 245 10 486 731 1806 134.1*1 ---- ---- 251 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/27 18:30:05 188 6 175 206 548 12.0*1 1.6e+12*2 2.4e+26*2 192 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/27 22:30:04 359 4 242 417 1271 68.6*1 1.2e+12*2 3.5e+26*2 360 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/28 06:54:04 276 25 213 225 335 3.0*1 8.6e+12 2.0e+27 283 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/28 10:54:04 61 10 317 311 278 -1.1*1 1.7e+13 8.6e+27 67 PHTX DST Java Movie Very Poor Event
    2008/07/28 20:30:06 48 60 54 87 181 1.3*1 6.8e+12 9.8e+25 44 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/29 01:31:40 257 7 149 88 0 -21.6*1 5.3e+12 5.9e+26 259 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/29 10:54:04 251 6 296 265 0 -11.0*1 7.4e+12 3.3e+27 254 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/29 23:30:04 170 9 599 --- --- --- 2.2e+11*2 4.0e+26*2 166 PHTX DST Java Movie only two points; Very Poor Event; Only 2 points; Only C2
    2008/07/30 15:54:04 244 7 409 414 473 2.6*1 8.2e+12*2 6.9e+27*2 250 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/30 23:06:04 60 20 309 407 428 5.8*1 9.6e+13 4.6e+28 73 PHTX DST Java Movie
    2008/07/31 02:06:04 334 9 482 643 1484 86.5*1 ---- ---- 330 PHTX DST Java Movie Poor Event; Only C2
    2008/07/31 02:06:04 267 37 164 141 130 -0.7*1 4.4e+14 5.9e+28 269 PHTX DST Java Movie Poor Event
    2008/07/31 02:54:04 178 3 155 140 0 -8.5*1 3.0e+12*2 3.6e+26*2 175 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/31 08:30:04 95 76 117 147 291 3.2*1 ---- ---- 106 PHTX DST Java Movie Very Poor Event; Only C2
    2008/07/31 12:06:04 296 88 164 287 282 3.3*1 8.8e+14 1.2e+29 292 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).