• 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
    2016/09/01 01:36:06 211 101 218 252 297 2.3*1 1.3e+14 3.0e+28 223 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/01 08:48:05 111 86 115 121 128 0.2*1 8.0e+15 5.3e+29 105 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/01 22:24:05 59 61 171 326 347 5.2*1 1.4e+15 2.1e+29 49 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/02 10:00:05 98 61 307 439 483 8.5*1 2.2e+13 1.0e+28 97 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/02 12:12:05 87 30 284 440 1039 44.0*1 2.1e+13 8.5e+27 86 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/02 14:00:05 295 47 162 0 0 -72.6*1 2.9e+13 3.8e+27 299 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/03 01:25:45 98 84 281 335 631 14.3*1 1.7e+14 6.6e+28 94 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/03 06:00:05 103 61 272 286 333 1.8*1 4.4e+13 1.6e+28 102 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/03 13:25:45 276 63 197 329 537 12.3*1 3.7e+14 7.1e+28 283 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/03 16:36:05 82 14 247 294 390 4.7*1 ---- ---- 87 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/03 22:36:06 54 12 233 283 739 21.1*1 ---- ---- 54 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/04 12:48:05 191 153 196 432 390 6.5 5.0e+15*2 9.6e+29*2 229 C2 C3 PHTX DST Java Movie Partial Halo
    2016/09/05 08:00:05 306 6 388 601 1406 80.9*1 ---- ---- 310 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/05 16:48:05 119 6 344 476 1123 49.9*1 ---- ---- 115 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/06 06:00:05 36 8 141 124 0 -11.5*1 ---- ---- 41 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/06 06:24:05 324 42 367 383 384 0.9*1 9.0e+14 6.1e+29 318 C2 C3 PHTX DST Java Movie
    2016/09/06 08:36:05 252 101 650 683 668 2.6 8.7e+15 1.8e+31 248 C2 C3 PHTX DST Java Movie
    2016/09/07 09:48:05 78 90 144 165 265 2.2*1 2.2e+14 2.2e+28 90 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/07 13:25:42 238 38 370 416 612 11.6*1 6.7e+13 4.6e+28 244 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/08 23:12:11 266 18 115 141 268 2.7*1 ---- ---- 256 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/09/09 20:36:05 53 28 363 378 397 1.7*1 3.9e+12 2.6e+27 60 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/09 22:00:05 49 34 452 676 879 29.5*1 3.3e+13 3.4e+28 60 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/10 22:00:05 59 10 319 506 1051 51.8*1 ---- ---- 65 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/09/11 00:24:05 267 22 129 182 641 16.8*1 5.0e+13 4.1e+27 273 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/11 02:48:05 313 8 250 394 1236 62.8*1 ---- ---- 311 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/11 08:24:05 271 39 498 446 422 -5.3 3.0e+14 3.7e+29 275 C2 C3 PHTX DST Java Movie
    2016/09/12 00:12:05 285 10 209 147 0 -9.6*1 ---- ---- 279 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/12 09:12:08 278 50 257 271 297 1.2*1 2.8e+14 9.3e+28 282 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/12 22:24:05 277 35 45 73 192 1.5*1 4.1e+14 4.2e+27 275 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/13 08:12:05 280 60 734 909 1280 57.3*1 1.3e+14 3.6e+29 286 C2 C3 PHTX DST Java Movie
    2016/09/13 17:12:05 274 23 140 154 290 2.9*1 1.5e+13 1.4e+27 277 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/14 01:25:46 272 36 192 209 318 3.0*1 2.6e+13 4.8e+27 275 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/09/14 02:12:05 62 28 587 613 617 2.7 2.0e+14 3.4e+29 67 C2 C3 PHTX DST Java Movie
    2016/09/14 07:00:06 232 7 287 230 0 -31.8*1 ---- ---- 236 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/14 12:36:05 273 27 176 186 278 2.1*1 6.1e+13 9.4e+27 277 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/14 23:36:05 102 >156 742 618 680 -11.6 8.9e+15*2 2.4e+31*2 88 C2 C3 PHTX DST Java Movie Uncertain Width; Partial Halo
    2016/09/16 00:12:05 108 38 321 255 0 -8.5*1 3.9e+14 2.0e+29 109 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/09/16 13:25:43 269 43 269 184 0 -6.5*1 4.1e+14 1.5e+29 277 C2 C3 PHTX DST Java Movie
    2016/09/16 15:12:09 90 83 331 608 853 29.7*1 9.4e+14 5.1e+29 97 C2 C3 PHTX DST Java Movie
    2016/09/16 18:12:05 94 93 97 197 286 3.5*1 2.3e+15 1.1e+29 106 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/16 18:48:05 268 59 326 406 543 9.6*1 5.0e+14 2.7e+29 280 C2 C3 PHTX DST Java Movie
    2016/09/17 11:24:05 283 77 616 653 663 4.3 1.4e+15 2.6e+30 286 C2 C3 PHTX DST Java Movie
    2016/09/17 12:48:05 82 108 163 407 387 6.4 8.3e+15 1.1e+30 99 C2 C3 PHTX DST Java Movie
    2016/09/17 17:00:05 280 24 222 328 531 11.2*1 1.1e+14 2.6e+28 280 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/09/18 06:12:05 72 56 480 446 382 -5.0*1 1.8e+14 2.0e+29 79 C2 C3 PHTX DST Java Movie
    2016/09/18 08:00:05 62 32 193 205 273 1.7*1 1.7e+14 3.1e+28 68 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/18 18:12:05 68 52 462 206 0 -56.5*1 1.0e+14 1.1e+29 79 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/19 00:12:05 244 10 276 214 0 -27.4*1 ---- ---- 248 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/19 03:12:10 78 21 330 408 978 37.7*1 1.6e+13 8.9e+27 82 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/19 06:12:05 290 40 288 305 435 4.8*1 3.2e+13 1.3e+28 290 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/19 08:24:05 288 39 179 284 328 4.2*1 3.8e+14 6.0e+28 289 C2 C3 PHTX DST Java Movie
    2016/09/19 17:12:05 290 42 121 251 395 6.6*1 1.3e+15 9.5e+28 295 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/20 08:48:07 280 41 170 188 311 3.0*1 2.3e+14 3.4e+28 286 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/20 23:12:10 280 39 231 156 0 -14.0*1 6.1e+13 1.6e+28 275 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/21 10:00:06 128 44 39 80 164 1.2*1 1.4e+15 1.1e+28 120 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/22 01:48:05 81 20 331 287 0 -8.3*1 1.9e+14 1.0e+29 83 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/22 03:24:05 294 46 322 512 1037 43.8*1 1.5e+14 7.8e+28 304 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/22 11:00:05 78 23 425 399 365 -2.9 1.8e+15 1.6e+30 81 C2 C3 PHTX DST Java Movie
    2016/09/22 18:36:05 113 84 326 532 541 11.6*1 3.5e+14 1.9e+29 117 C2 C3 PHTX DST Java Movie
    2016/09/23 01:25:47 299 59 292 291 289 -0.1*1 3.3e+14 1.4e+29 305 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/23 19:24:07 82 20 224 369 907 33.5*1 1.2e+14 3.1e+28 85 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/24 00:12:05 91 45 169 213 534 11.2*1 1.4e+14 2.0e+28 90 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/24 03:12:09 283 31 163 175 301 2.8*1 1.2e+14 1.6e+28 280 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/24 12:12:05 88 16 362 191 0 -55.9*1 ---- ---- 87 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/25 06:48:05 303 42 240 266 429 5.7*1 1.9e+14 5.5e+28 307 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/25 10:12:05 292 50 206 299 570 13.0*1 5.9e+14 1.3e+29 293 C2 C3 PHTX DST Java Movie Poor Event
    2016/09/25 12:00:05 104 34 114 91 0 -7.6*1 5.8e+13 3.8e+27 104 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/25 14:24:05 217 32 134 177 444 8.4*1 3.0e+13 2.7e+27 215 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/27 00:00:05 215 132 368 566 507 9.5*1 5.4e+15*2 3.7e+30*2 240 C2 C3 PHTX DST Java Movie Partial Halo
    2016/09/27 07:24:07 307 25 186 276 547 12.1*1 3.8e+14 6.5e+28 307 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/28 05:36:05 207 42 195 265 452 7.8*1 3.5e+14 6.7e+28 205 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/09/29 04:48:05 37 10 304 142 0 -113.3*1 ---- ---- 39 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/29 07:24:05 89 11 181 218 514 10.5*1 ---- ---- 89 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/09/29 20:12:05 254 125 447 522 489 3.7 1.9e+16*2 1.9e+31*2 251 C2 C3 PHTX DST Java Movie Partial Halo
    2016/09/30 05:00:05 86 29 232 250 394 4.5*1 9.3e+13 2.5e+28 88 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/30 08:24:05 88 22 353 447 946 34.5*1 1.3e+14 7.8e+28 85 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/09/30 08:24:05 251 45 308 408 494 8.5*1 4.8e+14 2.3e+29 247 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).