• 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
    2026/05/01 10:24:48 306 70 219 225 267 1.1*1 ---- ---- 327 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/01 14:12:20 198 50 305 461 1056 45.1*1 ---- ---- 203 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/01 15:28:04 107 69 468 480 480 1.0*1 ---- ---- 114 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/01 15:48:15 301 91 278 277 276 -0.0*1 ---- ---- 289 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/02 06:24:34 299 79 226 260 508 9.1*1 ---- ---- 289 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/02 10:24:48 317 20 130 302 1318 73.0*1 ---- ---- 318 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/02 11:12:31 296 80 596 546 532 -5.4 ---- ---- 283 C2 C3 PHTX DST Java Movie
    2026/05/02 11:48:22 223 110 301 294 284 -0.6*1 ---- ---- 208 C2 C3 PHTX DST Java Movie
    2026/05/02 19:12:31 297 64 242 247 323 2.0*1 ---- ---- 294 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/03 03:36:31 17 52 362 403 506 6.6*1 ---- ---- 15 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/03 14:36:21 24 21 148 137 0 -1.6*1 ---- ---- 28 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/03 22:24:31 23 22 307 260 245 -2.8*1 ---- ---- 30 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/04 00:12:21 99 103 413 565 525 8.1 ---- ---- 97 C2 C3 PHTX DST Java Movie
    2026/05/04 11:36:31 286 55 271 440 699 20.0*1 ---- ---- 277 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/04 14:12:22 283 53 149 251 691 20.3*1 ---- ---- 279 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/04 14:24:31 228 36 247 335 671 17.6*1 ---- ---- 223 C2 C3 PHTX DST Java Movie Only C2
    2026/05/04 21:24:20 41 68 226 276 314 2.8*1 ---- ---- 40 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/05 02:48:37 53 60 408 486 557 8.5*1 ---- ---- 57 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/05 07:48:21 53 48 356 369 410 2.1*1 ---- ---- 52 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/05 13:26:02 304 56 294 281 156 -2.9*1 ---- ---- 309 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/05 20:36:20 121 54 175 76 0 -54.7*1 ---- ---- 123 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/05 20:57:52 48 71 331 260 0 -9.3*1 ---- ---- 53 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/06 01:26:01 50 49 244 192 0 -9.8*1 ---- ---- 54 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/06 08:24:31 60 120 440 869 799 27.7*1 ---- ---- 66 C2 C3 PHTX DST Java Movie
    2026/05/06 15:36:32 64 64 280 384 397 5.3*1 ---- ---- 58 C2 C3 PHTX DST Java Movie
    2026/05/07 01:26:01 62 192 630 453 512 -15.1 ---- ---- 55 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/07 02:24:32 143 56 314 300 231 -2.2*1 ---- ---- 223 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/07 06:24:34 75 25 389 384 358 -1.1*1 ---- ---- 87 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/07 10:36:23 70 39 524 401 201 -18.6*1 ---- ---- 67 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/07 15:00:21 65 248 651 550 574 -9.7 ---- ---- 66 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/07 21:36:31 67 36 400 400 400 0.0*1 ---- ---- 62 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/08 04:49:42 76 50 582 640 621 4.4*1 ---- ---- 69 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/09 14:00:31 14 47 340 244 0 -29.1*1 ---- ---- 15 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/09 18:12:22 257 49 440 382 363 -4.7*1 ---- ---- 251 C2 C3 PHTX DST Java Movie
    2026/05/10 08:24:31 71 75 198 197 167 -0.5*1 ---- ---- 69 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/10 13:48:21 Halo 360 1486 1328 1439 -27.4 ---- ---- 40 C2 C3 PHTX DST Java Movie
    2026/05/11 08:12:20 147 24 313 174 0 -52.0*1 ---- ---- 147 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/11 22:00:31 73 51 270 232 0 -8.8*1 ---- ---- 76 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/12 00:48:33 129 71 178 170 78 -1.2*1 ---- ---- 128 C2 C3 PHTX DST Java Movie
    2026/05/12 15:12:31 277 16 721 728 753 2.5*1 ---- ---- 273 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/13 00:12:20 62 17 546 228 0 -152.0*1 ---- ---- 63 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/13 03:00:21 231 18 713 636 515 -15.1*1 ---- ---- 236 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/13 11:01:01 331 13 226 366 472 9.3*1 ---- ---- 341 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/13 14:00:32 315 27 367 341 0 -9.2*1 ---- ---- 321 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/13 22:24:31 285 124 427 742 731 21.1 ---- ---- 277 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/14 02:24:31 221 23 292 326 555 10.2*1 ---- ---- 220 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/14 10:36:25 313 47 188 203 406 5.5*1 ---- ---- 307 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/14 17:48:21 185 29 129 135 211 1.2*1 ---- ---- 179 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/14 17:48:21 244 57 344 300 0 -11.5*1 ---- ---- 229 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/14 18:00:31 314 57 92 89 0 -0.7*1 ---- ---- 315 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/14 20:00:31 33 35 328 291 83 -5.1*1 ---- ---- 29 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/15 00:36:21 319 94 206 199 178 -0.6*1 ---- ---- 307 C2 C3 PHTX DST Java Movie
    2026/05/15 00:48:31 267 28 316 252 0 -8.8*1 ---- ---- 274 C2 C3 PHTX DST Java Movie
    2026/05/15 01:36:32 217 33 469 690 781 23.3*1 ---- ---- 215 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/15 04:18:06 19 50 326 349 360 1.6*1 ---- ---- 17 C2 C3 PHTX DST Java Movie
    2026/05/15 05:36:32 69 50 300 141 0 -39.1*1 ---- ---- 71 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/15 10:24:48 214 74 322 244 163 -5.7*1 ---- ---- 218 C2 C3 PHTX DST Java Movie
    2026/05/15 12:24:31 275 29 233 438 1353 75.3*1 ---- ---- 275 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/15 13:48:21 289 61 309 261 0 -8.0*1 ---- ---- 281 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/15 14:12:20 66 79 466 444 428 -2.3*1 ---- ---- 78 C2 C3 PHTX DST Java Movie
    2026/05/15 16:48:33 287 56 310 185 0 -14.0*1 ---- ---- 288 C2 C3 PHTX DST Java Movie
    2026/05/15 22:00:31 159 128 209 124 0 -15.0*1 ---- ---- 144 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2; Partial Halo
    2026/05/16 01:48:21 165 68 203 81 0 -40.6*1 ---- ---- 162 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/16 02:48:32 166 112 207 150 0 -11.7*1 ---- ---- 156 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/16 04:36:52 171 113 173 229 329 3.9*1 ---- ---- 172 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/16 04:48:31 306 66 420 294 201 -10.0*1 ---- ---- 312 C2 C3 PHTX DST Java Movie
    2026/05/16 13:26:01 158 152 208 190 0 -3.9*1 ---- ---- 162 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2; Partial Halo
    2026/05/16 16:36:22 354 139 841 845 846 0.6*1 ---- ---- 349 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/16 21:48:21 130 114 241 100 0 -29.0*1 ---- ---- 112 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/17 02:00:31 274 47 253 208 0 -4.8*1 ---- ---- 271 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/17 03:24:20 88 22 191 239 353 4.5*1 ---- ---- 85 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/17 10:24:48 40 28 353 352 336 -0.5*1 ---- ---- 40 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/17 15:36:31 146 31 290 352 661 16.9*1 ---- ---- 149 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/18 05:24:22 17 29 226 365 855 29.6*1 ---- ---- 20 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/18 06:36:21 297 75 252 280 356 3.1*1 ---- ---- 296 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/18 22:00:31 91 18 599 799 1692 112.0*1 ---- ---- 90 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/19 00:48:31 48 36 168 114 0 -16.6*1 ---- ---- 49 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/19 09:00:15 313 20 192 259 1148 53.3*1 ---- ---- 310 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/19 11:01:00 38 73 401 360 235 -6.0*1 ---- ---- 35 C2 C3 PHTX DST Java Movie
    2026/05/20 04:24:32 179 34 427 607 956 37.6*1 ---- ---- 180 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/20 04:48:32 81 15 718 509 0 -62.3*1 ---- ---- 90 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/20 05:24:15 174 39 390 359 291 -3.7*1 ---- ---- 170 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/20 09:11:54 358 28 455 447 334 -4.4*1 ---- ---- 2 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/20 12:36:15 89 9 336 451 790 25.8*1 ---- ---- 98 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/20 15:37:44 293 79 342 355 351 0.5*1 ---- ---- 298 C2 C3 PHTX DST Java Movie
    2026/05/20 17:48:16 199 24 485 627 1088 45.5*1 ---- ---- 197 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/21 11:24:15 83 12 376 343 0 -7.2*1 ---- ---- 84 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/22 00:36:19 111 85 18 41 97 0.4*1 ---- ---- 110 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/22 10:48:31 304 128 635 784 708 10.8 ---- ---- 306 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/23 00:24:35 220 45 115 152 417 7.1*1 ---- ---- 220 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/23 04:12:15 111 82 278 121 0 -31.0*1 ---- ---- 103 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/23 05:36:31 288 42 488 346 0 -24.1*1 ---- ---- 273 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/23 06:36:15 283 65 342 449 426 5.2 ---- ---- 290 C2 C3 PHTX DST Java Movie
    2026/05/23 12:12:15 117 85 417 67 0 -160.1*1 ---- ---- 119 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/23 14:36:18 32 39 287 342 613 13.2*1 ---- ---- 26 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/23 16:00:31 281 147 514 422 441 -6.8 ---- ---- 287 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/23 16:36:19 26 49 422 364 205 -8.4*1 ---- ---- 26 C2 C3 PHTX DST Java Movie
    2026/05/23 19:12:31 293 64 511 611 559 5.7*1 ---- ---- 293 C2 C3 PHTX DST Java Movie
    2026/05/23 19:48:15 61 203 1076 863 937 -33.1 ---- ---- 38 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/24 04:00:31 46 21 709 834 1077 35.6*1 ---- ---- 33 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/24 09:00:19 289 179 627 412 464 -17.4 ---- ---- 294 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/24 11:00:16 38 28 651 846 1570 98.8*1 ---- ---- 37 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/24 14:36:16 43 14 625 617 541 -4.6*1 ---- ---- 32 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/24 16:00:31 293 36 218 122 0 -19.4*1 ---- ---- 295 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/24 20:00:31 49 27 315 332 439 4.3*1 ---- ---- 45 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/25 07:12:31 56 47 298 134 0 -21.8*1 ---- ---- 44 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/25 16:36:22 47 16 456 508 1016 37.9*1 ---- ---- 40 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/25 16:36:22 68 20 160 180 379 5.3*1 ---- ---- 71 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/25 20:48:31 43 20 438 311 0 -25.7*1 ---- ---- 39 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/25 21:48:15 49 37 454 462 500 2.2*1 ---- ---- 40 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/25 22:12:15 Halo 360 1197 895 1067 -41.1 ---- ---- 322 C2 C3 PHTX DST Java Movie
    2026/05/26 04:36:15 143 83 392 317 0 -21.5*1 ---- ---- 156 C2 C3 PHTX DST Java Movie Only C2
    2026/05/26 08:00:31 183 188 269 522 473 9.2 ---- ---- 212 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/26 21:00:21 51 42 279 317 557 10.4*1 ---- ---- 46 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/27 02:24:31 63 31 392 328 0 -18.6*1 ---- ---- 49 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/27 23:00:20 142 79 294 310 332 1.5*1 ---- ---- 154 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/28 00:24:35 230 17 114 130 429 7.3*1 ---- ---- 233 C2 C3 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2026/05/28 02:13:20 35 23 193 282 922 34.4*1 ---- ---- 33 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/28 12:00:31 126 106 215 150 0 -6.8*1 ---- ---- 140 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/28 20:12:20 34 26 216 219 269 1.1*1 ---- ---- 32 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/28 23:12:31 269 139 139 163 231 1.6*1 ---- ---- 262 C2 C3 PHTX DST Java Movie Partial Halo
    2026/05/29 03:51:32 348 36 435 516 695 15.7*1 ---- ---- 346 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/29 16:00:31 128 30 564 789 1708 118.5*1 ---- ---- 138 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/29 18:00:20 8 58 439 346 217 -9.9*1 ---- ---- 12 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/29 20:12:20 30 39 241 159 0 -19.0*1 ---- ---- 31 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/05/30 00:48:35 59 73 340 382 637 13.2*1 ---- ---- 49 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/30 08:48:35 Halo 360 659 674 680 2.2*1 ---- ---- 8 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/30 12:24:32 199 53 142 116 0 -8.2*1 ---- ---- 203 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/30 19:12:31 204 20 572 680 1272 59.9*1 ---- ---- 204 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/31 07:48:20 26 43 309 417 441 6.6*1 ---- ---- 32 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/31 10:36:21 126 23 548 444 0 -31.7*1 ---- ---- 123 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/31 12:12:20 283 37 152 250 663 18.3*1 ---- ---- 286 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/31 12:12:20 235 64 306 271 221 -2.8*1 ---- ---- 224 C2 C3 PHTX DST Java Movie Poor Event
    2026/05/31 15:00:23 234 68 291 396 401 5.1*1 ---- ---- 220 C2 C3 PHTX DST Java Movie
    2026/05/31 17:48:20 286 18 436 432 395 -1.5*1 ---- ---- 282 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/31 19:12:31 24 34 362 293 80 -8.1*1 ---- ---- 35 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/31 21:12:31 129 28 603 766 1377 74.4*1 ---- ---- 126 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/05/31 21:24:20 82 18 202 210 388 4.6*1 ---- ---- 83 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/05/31 23:24:20 Halo 360 805 1044 919 21.2 ---- ---- 51 C2 C3 PHTX DST Java Movie
    2026/05/31 23:36:31 227 43 304 363 489 7.5*1 ---- ---- 228 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).