• 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
    2026/08/01 00:48:31 20 40 357 303 0 -9.6*1 ---- ---- 26 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/01 06:36:20 260 9 254 290 562 11.1*1 ---- ---- 259 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/01 07:48:21 277 20 234 328 433 7.1*1 ---- ---- 282 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/02 00:00:31 247 34 445 454 579 6.5*1 ---- ---- 257 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/02 09:48:21 64 17 265 330 464 8.1*1 ---- ---- 67 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/03 00:48:32 16 30 389 479 970 35.5*1 ---- ---- 17 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/03 08:48:31 341 98 268 136 0 -27.2*1 ---- ---- 330 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/03 12:24:31 140 89 249 190 0 -4.6*1 ---- ---- 126 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/03 18:36:21 292 54 129 146 249 2.0*1 ---- ---- 292 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/04 09:24:20 329 66 207 246 370 4.4*1 ---- ---- 338 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/04 11:12:31 134 38 200 203 221 0.4*1 ---- ---- 131 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/04 12:48:31 167 87 354 343 332 -1.0*1 ---- ---- 147 C2 C3 PHTX DST Java Movie
    2026/08/04 13:26:03 311 147 482 633 576 9.9 ---- ---- 346 C2 C3 PHTX DST Java Movie Partial Halo
    2026/08/04 19:12:32 54 51 445 444 444 -0.1*1 ---- ---- 60 C2 C3 PHTX DST Java Movie
    2026/08/04 23:36:32 50 55 236 190 0 -7.5*1 ---- ---- 40 C2 C3 PHTX DST Java Movie Only C2
    2026/08/05 01:36:33 50 84 293 158 69 -6.9*1 ---- ---- 37 C2 C3 PHTX DST Java Movie
    2026/08/05 13:36:31 42 53 356 457 464 6.2*1 ---- ---- 34 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/06 00:12:15 25 26 452 441 424 -1.4*1 ---- ---- 21 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/06 01:36:31 62 27 297 387 459 7.2*1 ---- ---- 65 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/06 17:24:15 253 51 724 756 810 7.3*1 ---- ---- 241 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/07 02:00:31 274 11 225 216 170 -1.1*1 ---- ---- 274 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/07 06:24:34 81 103 807 891 842 7.9 ---- ---- 83 C2 C3 PHTX DST Java Movie
    2026/08/07 16:48:32 279 12 283 245 115 -3.8*1 ---- ---- 280 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/07 21:00:19 77 59 451 615 544 8.5 ---- ---- 71 C2 C3 PHTX DST Java Movie
    2026/08/08 03:48:15 298 228 369 439 462 4.9*1 ---- ---- 1 C2 C3 PHTX DST Java Movie Partial Halo
    2026/08/08 07:24:15 253 166 610 633 627 1.9 ---- ---- 253 C2 C3 PHTX DST Java Movie Partial Halo
    2026/08/09 02:12:15 124 71 152 152 151 -0.0*1 ---- ---- 139 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/09 04:24:32 59 45 700 568 655 -9.7*1 ---- ---- 67 C2 C3 PHTX DST Java Movie
    2026/08/09 20:00:31 294 20 190 189 186 -0.1*1 ---- ---- 290 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/10 01:48:15 68 24 562 528 437 -6.9*1 ---- ---- 60 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/10 05:00:15 322 85 136 166 245 2.0*1 ---- ---- 326 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/10 13:25:36 262 49 416 546 1186 55.6*1 ---- ---- 268 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/11 14:48:31 330 23 204 251 709 19.6*1 ---- ---- 321 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/11 17:00:15 247 40 304 376 589 12.2*1 ---- ---- 245 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/11 19:24:15 52 19 271 291 320 1.6*1 ---- ---- 46 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/12 08:36:15 335 150 258 193 0 -6.1*1 ---- ---- 351 C2 C3 PHTX DST Java Movie Poor Event; Partial Halo
    2026/08/12 14:48:31 252 28 278 335 642 15.0*1 ---- ---- 252 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/13 08:36:15 271 43 187 172 0 -6.3*1 ---- ---- 270 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/14 00:48:31 239 21 107 145 377 5.8*1 ---- ---- 238 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/14 05:00:15 240 28 194 222 501 9.2*1 ---- ---- 236 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/14 07:12:31 216 123 647 471 439 -19.0*1 ---- ---- 230 C2 C3 PHTX DST Java Movie Partial Halo
    2026/08/14 12:24:31 Halo 360 521 364 384 -14.0*1 ---- ---- 52 C2 C3 PHTX DST Java Movie
    2026/08/14 18:00:31 279 140 541 484 505 -4.0 ---- ---- 269 C2 C3 PHTX DST Java Movie Partial Halo
    2026/08/14 22:12:15 6 91 260 253 228 -0.8*1 ---- ---- 18 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/15 03:00:15 26 127 230 156 0 -4.1*1 ---- ---- 24 C2 C3 PHTX DST Java Movie Poor Event; Partial Halo
    2026/08/15 06:48:31 34 23 152 182 265 2.3*1 ---- ---- 23 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/15 06:48:31 79 34 220 330 365 5.1*1 ---- ---- 76 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/15 11:36:31 20 52 270 290 332 2.0*1 ---- ---- 17 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/15 16:24:32 281 95 440 468 668 11.5*1 ---- ---- 295 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/15 19:00:15 67 32 209 233 420 5.8*1 ---- ---- 68 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/16 02:24:31 39 34 219 291 500 9.4*1 ---- ---- 39 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/16 19:36:31 282 107 242 241 240 -0.1*1 ---- ---- 291 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/17 06:36:15 278 100 686 720 732 4.6 ---- ---- 294 C2 C3 PHTX DST Java Movie
    2026/08/17 10:24:42 285 22 360 444 929 33.7*1 ---- ---- 286 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/17 17:00:15 257 48 215 113 0 -25.6*1 ---- ---- 263 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/17 18:12:17 273 28 534 421 281 -14.1*1 ---- ---- 290 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/17 20:00:31 53 10 189 179 85 -1.4*1 ---- ---- 55 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/18 00:00:31 211 67 116 75 0 -16.7*1 ---- ---- 219 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/18 09:36:31 280 84 295 367 511 8.7*1 ---- ---- 264 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/18 12:48:32 276 89 251 254 261 0.3*1 ---- ---- 283 C2 C3 PHTX DST Java Movie
    2026/08/18 22:36:16 216 45 262 369 1111 49.5*1 ---- ---- 228 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/19 05:00:15 289 41 413 471 495 4.9*1 ---- ---- 294 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/19 12:36:15 120 8 204 288 893 32.5*1 ---- ---- 120 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/19 14:00:31 61 30 140 37 0 -96.2*1 ---- ---- 68 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/20 04:12:15 240 25 465 546 963 32.3*1 ---- ---- 239 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/20 04:36:15 262 15 372 288 0 -17.1*1 ---- ---- 263 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/20 08:24:31 82 64 193 125 0 -13.6*1 ---- ---- 92 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/20 11:48:15 70 228 851 880 868 2.9 ---- ---- 83 C2 C3 PHTX DST Java Movie Partial Halo
    2026/08/20 18:48:31 297 246 669 351 371 -34.5 ---- ---- 268 C2 C3 PHTX DST Java Movie Partial Halo
    2026/08/21 00:12:15 277 42 95 48 0 -21.6*1 ---- ---- 276 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/21 03:12:31 85 15 387 441 483 5.5*1 ---- ---- 74 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/21 07:24:15 80 22 377 447 491 6.1*1 ---- ---- 78 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/21 09:24:32 Halo 360 1317 1581 1470 41.6 ---- ---- 287 C2 C3 PHTX DST Java Movie
    2026/08/22 03:48:16 81 22 239 239 247 0.2*1 ---- ---- 80 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/22 06:24:34 270 19 703 1126 1392 83.8*1 ---- ---- 267 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/23 00:00:31 266 29 847 868 859 2.2*1 ---- ---- 273 C2 C3 PHTX DST Java Movie
    2026/08/23 01:25:37 19 14 238 170 0 -20.4*1 ---- ---- 21 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/24 00:12:15 45 40 330 355 478 5.5*1 ---- ---- 44 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/24 01:36:31 282 12 462 332 0 -40.5*1 ---- ---- 287 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/24 08:36:15 196 80 180 454 418 7.4*1 ---- ---- 199 C2 C3 PHTX DST Java Movie
    2026/08/24 09:48:15 323 79 685 872 1528 86.0*1 ---- ---- 307 C2 C3 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2026/08/24 20:24:32 333 78 325 302 208 -3.1*1 ---- ---- 318 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/24 22:12:15 79 35 156 176 289 2.7*1 ---- ---- 80 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/25 07:12:31 303 53 523 483 454 -4.6*1 ---- ---- 304 C2 C3 PHTX DST Java Movie
    2026/08/25 09:00:15 295 47 646 673 702 4.6*1 ---- ---- 292 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/25 10:36:15 246 72 351 352 371 0.7*1 ---- ---- 238 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/25 11:00:54 60 163 392 366 373 -1.4*1 ---- ---- 72 C2 C3 PHTX DST Java Movie Partial Halo
    2026/08/25 15:12:31 332 104 528 529 529 0.1*1 ---- ---- 342 C2 C3 PHTX DST Java Movie
    2026/08/25 19:12:31 114 21 357 313 202 -5.0*1 ---- ---- 111 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/25 20:00:31 87 89 302 296 294 -0.3*1 ---- ---- 85 C2 C3 PHTX DST Java Movie
    2026/08/26 09:00:15 355 19 250 383 773 26.8*1 ---- ---- 6 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/26 19:36:32 356 12 199 239 459 7.7*1 ---- ---- 359 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/27 04:24:31 6 86 261 179 0 -6.1*1 ---- ---- 6 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/27 07:24:16 247 80 215 409 393 6.3*1 ---- ---- 249 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/27 08:00:31 65 74 204 213 259 1.2*1 ---- ---- 52 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/27 11:00:54 6 26 212 217 237 0.6*1 ---- ---- 11 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/27 23:36:31 111 50 306 306 309 0.1*1 ---- ---- 110 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/28 00:24:31 10 23 521 552 783 15.8*1 ---- ---- 11 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/28 00:24:31 268 32 203 196 106 -1.4*1 ---- ---- 270 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/28 04:28:43 88 79 489 567 999 34.7*1 ---- ---- 83 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/28 08:48:41 18 44 568 769 1651 107.3*1 ---- ---- 16 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/28 10:24:50 41 85 717 1041 2243 214.1*1 ---- ---- 22 C2 C3 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2026/08/28 18:00:31 68 116 569 706 1228 54.4*1 ---- ---- 71 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/28 23:24:22 93 16 412 434 605 9.1*1 ---- ---- 97 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/08/29 03:48:22 91 60 291 320 419 4.4*1 ---- ---- 97 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/08/29 11:12:33 93 51 260 213 0 -6.7*1 ---- ---- 92 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/29 11:48:21 27 24 339 428 465 6.5*1 ---- ---- 32 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/29 15:00:21 39 62 466 444 224 -7.9*1 ---- ---- 52 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/29 18:00:31 85 42 464 419 378 -4.8*1 ---- ---- 93 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/29 19:12:31 41 48 470 451 329 -5.4*1 ---- ---- 57 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/08/30 00:42:08 35 25 438 481 587 9.6*1 ---- ---- 35 C2 C3 PHTX DST Java Movie Poor Event; Only C3
    2026/08/30 02:42:07 65 37 526 553 673 9.8*1 ---- ---- 72 C2 C3 PHTX DST Java Movie Poor Event; Only C3
    2026/08/30 17:42:23 114 26 587 451 0 -35.2*1 ---- ---- 116 C2 C3 PHTX DST Java Movie Poor Event; Only C3
    2026/08/30 18:30:23 30 81 235 303 285 2.6*1 ---- ---- 33 C2 C3 PHTX DST Java Movie Poor Event; Only C3
    2026/08/31 04:12:22 55 22 392 266 0 -33.7*1 ---- ---- 58 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/31 04:58:24 83 36 387 470 580 9.9*1 ---- ---- 90 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/31 07:24:20 83 35 178 162 0 -2.2*1 ---- ---- 77 C2 C3 PHTX DST Java Movie Poor Event
    2026/08/31 07:24:20 124 52 550 580 640 6.1*1 ---- ---- 112 C2 C3 PHTX DST Java Movie 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).