• 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
    2016/07/01 00:48:06 336 34 244 183 0 -10.6*1 5.7e+13 1.7e+28 329 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/01 01:24:05 185 121 218 292 364 4.7*1 6.9e+12*2 1.6e+27*2 175 C2 C3 PHTX DST Java Movie Poor Event; Partial Halo
    2016/07/01 11:00:05 353 12 156 186 374 5.1*1 ---- ---- 356 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/01 18:02:36 98 24 529 648 700 14.0*1 2.0e+14 2.8e+29 102 C2 C3 PHTX DST Java Movie
    2016/07/01 23:24:05 179 81 159 177 312 3.2*1 3.3e+12 4.2e+26 180 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/02 17:00:07 126 20 162 200 526 10.9*1 5.7e+12 7.5e+26 130 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/03 08:48:05 302 33 146 141 69 -0.8*1 3.4e+12 3.6e+26 297 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/04 01:48:05 118 13 160 0 0 -32.8*1 ---- ---- 121 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/04 15:36:06 121 22 248 352 846 28.9*1 2.8e+13 8.6e+27 123 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/05 01:25:44 335 114 243 297 341 3.4*1 1.1e+15 3.2e+29 323 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/05 09:36:05 83 10 238 272 650 15.9*1 ---- ---- 85 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/05 16:00:05 311 47 329 464 843 29.7*1 3.1e+13 1.7e+28 316 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/05 20:36:05 281 173 510 597 568 5.7 2.0e+15*2 2.6e+30*2 318 C2 C3 PHTX DST Java Movie Partial Halo
    2016/07/05 22:12:05 90 24 761 895 930 19.5 1.1e+15 3.1e+30 97 C2 C3 PHTX DST Java Movie
    2016/07/06 05:48:05 192 58 273 310 362 3.3*1 2.9e+13 1.1e+28 197 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/06 06:48:05 305 63 471 574 539 6.3*1 1.0e+15 1.1e+30 308 C2 C3 PHTX DST Java Movie
    2016/07/06 15:12:09 122 45 502 451 444 -4.7*1 2.0e+14 2.5e+29 122 C2 C3 PHTX DST Java Movie
    2016/07/06 16:12:05 309 11 230 255 419 5.6*1 ---- ---- 309 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/06 23:36:06 307 17 253 302 512 9.0*1 ---- ---- 307 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/07 02:36:05 306 24 236 261 279 1.4*1 1.2e+13 3.4e+27 304 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/07 03:24:05 280 36 369 441 497 6.8*1 2.1e+13 1.4e+28 272 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/07 04:24:05 260 24 243 318 346 3.7*1 1.8e+13 5.2e+27 261 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/07 10:00:05 302 13 291 376 463 7.2*1 ---- ---- 299 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/07 14:00:05 302 14 433 663 765 22.8*1 ---- ---- 294 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/07 20:57:25 86 28 472 684 703 18.0*1 2.2e+14 2.5e+29 86 C2 C3 PHTX DST Java Movie
    2016/07/08 00:36:05 258 16 324 446 474 7.9*1 ---- ---- 261 C2 C3 PHTX DST Java Movie
    2016/07/08 08:00:05 261 7 290 334 413 4.7*1 ---- ---- 258 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/08 23:12:10 353 33 206 225 349 3.6*1 1.6e+13 3.3e+27 334 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/09 12:36:06 63 44 190 256 762 23.3*1 3.0e+13 5.4e+27 66 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/09 16:36:06 56 56 181 128 0 -17.5*1 3.8e+13 6.3e+27 55 C2 C3 PHTX DST Java Movie Only C2
    2016/07/09 20:48:05 62 59 261 274 363 2.9*1 2.8e+12 9.6e+26 64 C2 C3 PHTX DST Java Movie Only C2
    2016/07/10 01:25:44 73 101 368 344 306 -2.5*1 3.4e+13 2.3e+28 67 C2 C3 PHTX DST Java Movie
    2016/07/11 10:12:05 76 16 158 132 0 -4.3*1 ---- ---- 76 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/11 19:12:05 64 42 309 415 930 33.7*1 4.1e+12 2.0e+27 68 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/12 01:48:05 52 35 429 488 609 9.5*1 2.0e+13 1.8e+28 60 C2 C3 PHTX DST Java Movie
    2016/07/12 07:24:07 249 28 134 204 363 5.6*1 1.4e+13 1.2e+27 245 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/12 13:25:45 47 22 116 102 0 -5.8*1 1.7e+12 1.1e+26 49 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/13 15:36:05 54 31 297 508 1227 62.8*1 4.3e+12 1.9e+27 63 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/13 18:48:06 97 84 574 703 675 10.2 3.5e+13 5.8e+28 96 C2 C3 PHTX DST Java Movie
    2016/07/14 17:12:05 277 15 483 581 876 26.4*1 ---- ---- 274 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/15 00:12:06 231 48 53 62 110 0.4*1 3.2e+14 4.4e+27 228 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/15 00:48:06 274 13 567 --- --- --- ---- ---- 272 C2 C3 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2016/07/15 04:38:58 272 11 426 619 1165 55.8*1 ---- ---- 267 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/15 07:24:10 46 13 141 99 0 -12.1*1 ---- ---- 45 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/15 13:25:45 238 49 536 335 418 -14.4 4.8e+14 6.9e+29 245 C2 C3 PHTX DST Java Movie
    2016/07/16 05:36:05 244 30 429 525 514 6.3*1 7.3e+13 6.7e+28 231 C2 C3 PHTX DST Java Movie
    2016/07/16 05:48:05 326 9 309 271 0 -26.9*1 ---- ---- 327 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/16 21:36:05 236 13 198 372 816 29.2*1 ---- ---- 234 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/16 22:36:05 94 25 246 353 870 30.3*1 1.1e+13 3.3e+27 102 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/17 10:48:05 Halo 360 340 405 390 3.1*1 6.1e+14*2 3.5e+29*2 102 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/18 00:12:05 96 36 284 357 745 21.9*1 ---- ---- 97 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/18 07:12:05 91 14 246 270 372 3.7*1 ---- ---- 91 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/18 10:36:05 331 8 274 392 1609 107.1*1 ---- ---- 333 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/18 13:36:12 107 20 225 202 0 -6.9*1 3.5e+12 8.9e+26 101 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/18 14:08:59 330 17 478 433 0 -17.5*1 ---- ---- 328 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/18 18:00:05 72 9 262 234 0 -4.8*1 ---- ---- 78 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/18 18:00:05 96 41 201 256 547 11.5*1 ---- ---- 86 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/20 03:12:10 294 25 331 356 488 6.3*1 4.4e+13 2.4e+28 291 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/20 14:24:05 71 75 221 435 384 6.1*1 2.0e+15 4.9e+29 71 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/20 23:12:09 251 52 426 452 556 6.1*1 1.5e+14 1.4e+29 248 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/20 23:24:05 46 83 114 205 436 7.9*1 8.1e+14 5.3e+28 47 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/21 00:36:05 245 75 302 440 513 10.0*1 4.8e+14 2.2e+29 250 C2 C3 PHTX DST Java Movie
    2016/07/21 23:24:05 118 19 125 0 0 -17.2*1 ---- ---- 114 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/22 00:12:05 114 24 165 216 523 11.3*1 ---- ---- 113 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/22 02:48:05 262 108 751 838 789 7.5 9.3e+14 2.6e+30 288 C2 C3 PHTX DST Java Movie
    2016/07/22 11:00:05 68 44 383 438 539 7.5*1 9.8e+13 7.2e+28 75 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/22 13:25:47 354 20 607 814 1910 150.8*1 3.1e+10 5.8e+25 357 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/22 13:48:05 332 8 509 516 632 6.2*1 ---- ---- 329 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/22 15:48:06 68 34 216 252 437 6.6*1 1.8e+12 4.3e+26 75 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/22 16:12:05 308 87 194 392 382 6.3*1 8.3e+14 1.6e+29 314 C2 C3 PHTX DST Java Movie
    2016/07/22 18:24:05 278 19 567 733 1534 91.6*1 ---- ---- 287 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/22 19:48:05 65 40 225 205 0 -2.5*1 8.3e+13 2.1e+28 73 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/23 02:36:05 280 38 270 182 0 -12.9*1 9.6e+12 3.5e+27 275 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/23 05:24:05 283 117 835 678 779 -15.2 2.3e+15 7.9e+30 271 C2 C3 PHTX DST Java Movie
    2016/07/23 12:24:05 311 22 443 598 579 10.9*1 6.3e+13 6.2e+28 310 C2 C3 PHTX DST Java Movie
    2016/07/23 12:36:06 38 10 282 567 1516 95.7*1 ---- ---- 38 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/23 14:24:08 264 74 330 346 365 1.4*1 6.6e+12 3.6e+27 267 C2 C3 PHTX DST Java Movie
    2016/07/24 01:48:05 66 14 351 422 475 6.6*1 ---- ---- 72 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/24 03:48:05 276 14 203 307 728 22.0*1 ---- ---- 273 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/24 05:24:05 28 39 274 185 0 -11.9*1 2.1e+13 7.9e+27 37 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/24 16:00:05 266 14 277 335 789 23.8*1 ---- ---- 263 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/24 18:24:05 266 10 244 220 0 -5.9*1 ---- ---- 277 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/24 20:12:05 313 9 360 307 0 -16.5*1 ---- ---- 309 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/24 23:24:05 259 18 235 322 734 21.9*1 ---- ---- 263 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/25 01:25:41 262 26 389 405 410 1.3*1 9.4e+13 7.1e+28 266 C2 C3 PHTX DST Java Movie
    2016/07/25 15:24:05 254 12 374 489 1088 47.0*1 ---- ---- 251 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/26 07:00:05 265 20 218 355 1083 48.4*1 4.8e+11 1.1e+26 264 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/26 08:12:05 264 41 416 379 345 -3.5*1 4.9e+13 4.2e+28 260 C2 C3 PHTX DST Java Movie
    2016/07/26 20:36:05 255 22 268 290 381 3.5*1 4.1e+11 1.5e+26 261 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/26 22:00:05 295 38 292 378 417 6.0*1 7.3e+14 3.1e+29 291 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/27 01:25:44 256 16 219 230 263 1.1*1 ---- ---- 262 C2 C3 PHTX DST Java Movie
    2016/07/27 02:24:06 298 38 359 427 766 20.6*1 8.0e+12 5.1e+27 298 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/27 06:00:05 254 18 304 242 0 -6.2*1 ---- ---- 260 C2 C3 PHTX DST Java Movie
    2016/07/27 18:36:05 354 8 201 171 0 -16.7*1 ---- ---- 349 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/27 19:00:05 20 19 329 385 834 25.9*1 ---- ---- 16 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/07/27 19:00:05 56 28 543 577 629 5.7*1 4.2e+13 6.3e+28 62 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/28 04:00:05 62 11 329 591 1229 62.3*1 ---- ---- 67 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/28 12:12:05 64 8 209 208 180 -0.5*1 ---- ---- 65 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/28 15:12:09 55 11 473 175 0 -166.1*1 ---- ---- 57 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/28 21:27:50 259 10 386 374 0 -9.2*1 ---- ---- 261 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/28 22:12:05 126 57 154 394 318 4.6*1 2.9e+15 3.4e+29 121 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/28 22:24:05 252 120 265 368 395 5.2*1 3.9e+14 1.4e+29 251 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/29 02:00:05 15 191 67 96 222 2.0*1 1.4e+15*2 3.0e+28*2 1 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2; Partial Halo
    2016/07/30 00:36:05 140 41 100 104 166 0.8*1 1.9e+12 9.7e+25 137 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/30 04:36:05 292 20 145 208 383 5.9*1 1.6e+12 1.6e+26 302 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/30 05:48:05 327 12 157 192 310 3.6*1 ---- ---- 323 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/07/30 11:00:05 149 78 194 298 562 12.9*1 5.0e+12 9.3e+26 137 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/30 11:24:05 73 18 291 162 0 -22.6*1 ---- ---- 75 C2 C3 PHTX DST Java Movie Poor Event
    2016/07/30 17:48:05 42 143 289 341 374 3.3*1 1.1e+15*2 4.5e+29*2 32 C2 C3 PHTX DST Java Movie Partial Halo
    2016/07/31 01:48:05 259 9 253 282 532 10.2*1 ---- ---- 268 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/31 03:24:06 137 19 283 357 687 19.5*1 ---- ---- 133 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/07/31 19:00:05 299 11 190 196 256 1.5*1 ---- ---- 302 C2 C3 PHTX DST Java Movie Very Poor Event

    *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).