• 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
    2026/03/01 04:12:20 73 51 262 103 0 -37.6*1 ---- ---- 77 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/01 05:24:20 9 25 382 610 1483 89.8*1 ---- ---- 4 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/01 08:00:31 162 35 244 321 545 12.4*1 ---- ---- 157 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/03/02 03:24:20 25 18 595 540 431 -9.7*1 ---- ---- 19 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/03/02 09:36:31 0 94 400 772 690 19.9 ---- ---- 6 C2 C3 PHTX DST Java Movie
    2026/03/02 10:36:23 269 48 337 278 81 -6.4*1 ---- ---- 281 C2 C3 PHTX DST Java Movie
    2026/03/02 18:12:22 284 51 220 382 755 23.6*1 ---- ---- 284 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/02 23:12:38 226 26 205 73 0 -29.3*1 ---- ---- 224 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/03 05:36:31 285 39 209 407 1245 64.6*1 ---- ---- 288 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/03 08:36:22 223 27 214 212 184 -0.6*1 ---- ---- 222 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/03 11:01:01 82 186 696 582 602 -12.1 ---- ---- 103 C2 C3 PHTX DST Java Movie Partial Halo
    2026/03/04 00:48:31 288 25 783 837 882 10.7*1 ---- ---- 295 C2 C3 PHTX DST Java Movie
    2026/03/04 01:48:21 129 51 299 377 668 16.3*1 ---- ---- 133 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/04 05:12:31 130 26 147 218 695 19.8*1 ---- ---- 131 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/04 11:12:31 282 44 345 303 116 -5.7*1 ---- ---- 278 C2 C3 PHTX DST Java Movie
    2026/03/04 20:24:32 287 25 678 821 1229 50.5*1 ---- ---- 284 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/04 21:36:31 101 18 220 213 122 -1.5*1 ---- ---- 100 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/05 03:12:31 281 73 218 278 716 20.1*1 ---- ---- 284 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/05 04:24:37 145 29 364 399 714 16.5*1 ---- ---- 149 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/05 18:48:31 273 55 179 185 243 1.2*1 ---- ---- 280 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/05 22:00:31 94 25 306 436 1038 43.7*1 ---- ---- 97 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/06 03:47:40 130 87 320 362 442 5.0*1 ---- ---- 134 C2 C3 PHTX DST Java Movie
    2026/03/06 11:36:31 274 78 184 313 386 6.8*1 ---- ---- 290 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/06 13:48:21 91 14 256 231 0 -7.2*1 ---- ---- 99 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/06 18:12:20 105 122 191 409 401 6.7 ---- ---- 110 C2 C3 PHTX DST Java Movie Partial Halo
    2026/03/07 13:36:38 357 26 530 571 933 27.3*1 ---- ---- 357 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/07 14:30:22 60 70 259 103 0 -28.6*1 ---- ---- 48 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/07 20:12:20 78 27 384 415 427 2.8*1 ---- ---- 70 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/07 23:00:24 90 28 391 478 532 8.0*1 ---- ---- 91 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/08 00:36:22 133 40 240 306 434 7.2*1 ---- ---- 152 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/03/08 02:36:20 64 32 233 270 688 18.0*1 ---- ---- 63 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/08 09:48:21 59 47 433 485 662 12.2*1 ---- ---- 56 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/08 14:48:32 23 24 502 564 688 11.4*1 ---- ---- 25 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/08 18:12:20 85 22 517 535 699 10.1*1 ---- ---- 94 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/09 11:12:31 67 19 671 208 0 -299.6*1 ---- ---- 63 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/09 11:24:20 70 59 182 101 0 -18.7*1 ---- ---- 70 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/09 12:12:21 149 27 591 429 178 -21.4*1 ---- ---- 158 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/09 13:26:07 66 38 194 188 0 -3.0*1 ---- ---- 69 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/09 17:36:31 230 27 446 533 563 8.3*1 ---- ---- 233 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/10 02:24:31 105 26 578 1236 2329 227.8*1 ---- ---- 105 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/03/10 10:36:23 323 47 509 632 812 22.0*1 ---- ---- 316 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/10 12:36:20 56 88 197 335 1149 53.8*1 ---- ---- 49 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/10 21:12:31 272 110 503 462 285 -8.8*1 ---- ---- 293 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/11 01:48:21 64 46 213 137 0 -29.8*1 ---- ---- 63 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/11 09:24:21 213 17 302 266 0 -11.6*1 ---- ---- 210 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/12 09:00:20 113 34 134 115 0 -12.8*1 ---- ---- 112 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/12 14:24:31 99 37 670 637 551 -7.7*1 ---- ---- 107 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/13 00:36:21 200 159 580 705 691 11.0 ---- ---- 200 C2 C3 PHTX DST Java Movie Partial Halo
    2026/03/13 05:00:28 9 76 239 274 307 2.2 ---- ---- 8 C2 C3 PHTX DST Java Movie
    2026/03/13 06:24:34 310 75 284 336 410 4.8*1 ---- ---- 328 C2 C3 PHTX DST Java Movie
    2026/03/13 12:36:23 135 40 212 231 422 5.8*1 ---- ---- 128 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/13 20:48:31 123 42 163 239 762 23.4*1 ---- ---- 124 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/14 02:36:22 297 17 268 309 398 4.4*1 ---- ---- 296 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/14 05:48:22 290 30 356 340 258 -3.1*1 ---- ---- 286 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/14 11:01:00 293 43 396 386 374 -1.1*1 ---- ---- 280 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/14 12:24:31 186 30 291 293 314 0.6*1 ---- ---- 180 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/15 10:36:24 131 45 289 362 739 21.2*1 ---- ---- 129 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/15 17:36:31 91 88 185 208 539 10.8*1 ---- ---- 74 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/15 22:12:21 291 20 565 733 1439 81.1*1 ---- ---- 289 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/03/16 02:48:31 68 22 143 199 541 11.7*1 ---- ---- 66 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/16 09:24:20 129 71 785 669 702 -13.2*1 ---- ---- 121 C2 C3 PHTX DST Java Movie
    2026/03/16 12:24:32 356 115 192 189 185 -0.1*1 ---- ---- 11 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/16 12:48:31 Halo 360 398 463 637 12.4*1 ---- ---- 138 C2 C3 PHTX DST Java Movie
    2026/03/16 15:36:31 136 93 282 195 0 -15.1*1 ---- ---- 136 C2 C3 PHTX DST Java Movie Only C2
    2026/03/16 15:36:31 346 96 246 512 447 8.3 ---- ---- 2 C2 C3 PHTX DST Java Movie
    2026/03/17 03:48:21 181 10 323 526 1823 137.0*1 ---- ---- 182 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/17 05:00:20 110 11 446 452 594 6.6*1 ---- ---- 114 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/17 05:36:31 63 15 949 1421 2099 177.9*1 ---- ---- 69 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/17 09:48:21 347 14 163 218 576 13.3*1 ---- ---- 346 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/17 20:12:21 242 70 188 183 0 -1.9*1 ---- ---- 252 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/17 23:36:31 140 24 218 181 0 -17.3*1 ---- ---- 144 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/18 02:36:20 123 44 799 1019 2029 157.1*1 ---- ---- 129 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/18 05:00:20 65 30 156 148 0 -1.9*1 ---- ---- 69 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/18 09:24:20 278 130 384 367 358 -1.4 ---- ---- 271 C2 C3 PHTX DST Java Movie Partial Halo
    2026/03/18 09:48:21 146 35 243 246 262 0.4*1 ---- ---- 141 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/18 11:24:20 40 48 245 271 391 4.3*1 ---- ---- 27 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/18 12:24:31 151 49 96 103 141 0.5*1 ---- ---- 150 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/18 19:00:20 281 15 379 366 345 -1.4*1 ---- ---- 281 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/03/18 19:24:21 20 60 235 255 330 2.6*1 ---- ---- 18 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/19 04:00:31 150 64 245 285 456 7.0*1 ---- ---- 144 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/19 08:12:22 336 10 341 418 536 9.6*1 ---- ---- 338 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/03/19 15:00:21 65 59 231 223 142 -1.5*1 ---- ---- 67 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/19 16:48:31 251 48 215 341 606 15.0*1 ---- ---- 255 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/19 20:12:22 54 67 169 392 382 6.0*1 ---- ---- 47 C2 C3 PHTX DST Java Movie
    2026/03/20 11:12:33 60 55 299 278 281 -0.9*1 ---- ---- 62 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/20 12:24:31 Halo 360 603 719 708 10.9*1 ---- ---- 98 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/20 16:00:31 62 19 319 342 406 3.2*1 ---- ---- 67 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/21 05:12:31 91 50 497 577 784 18.0*1 ---- ---- 83 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/21 07:36:33 81 19 393 662 1408 81.0*1 ---- ---- 83 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/21 07:36:33 80 55 123 94 0 -3.3*1 ---- ---- 95 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/21 16:12:21 342 12 615 636 829 14.2*1 ---- ---- 345 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/21 16:48:31 264 34 175 304 849 29.7*1 ---- ---- 263 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/21 22:12:21 162 113 120 257 330 4.6*1 ---- ---- 162 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/22 16:00:31 135 143 637 739 691 7.5 ---- ---- 132 C2 C3 PHTX DST Java Movie Partial Halo
    2026/03/22 20:48:32 263 41 232 197 0 -8.7*1 ---- ---- 266 C2 C3 PHTX DST Java Movie Only C2
    2026/03/22 23:36:32 268 165 672 701 686 2.3 ---- ---- 280 C2 C3 PHTX DST Java Movie Partial Halo
    2026/03/23 04:06:23 257 56 574 670 647 9.0*1 ---- ---- 250 C2 C3 PHTX DST Java Movie Only C3
    2026/03/23 23:00:24 139 64 134 35 0 -16.0*1 ---- ---- 136 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/24 18:12:20 48 75 298 332 341 1.9*1 ---- ---- 60 C2 C3 PHTX DST Java Movie
    2026/03/24 23:00:26 213 12 357 413 1134 51.2*1 ---- ---- 212 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/25 00:36:20 247 71 1132 1021 1104 -14.6 ---- ---- 249 C2 C3 PHTX DST Java Movie
    2026/03/25 06:24:34 294 27 726 857 1747 121.6*1 ---- ---- 297 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/25 09:24:21 64 38 416 426 422 0.6*1 ---- ---- 67 C2 C3 PHTX DST Java Movie
    2026/03/25 11:12:31 136 70 289 481 461 8.4 ---- ---- 134 C2 C3 PHTX DST Java Movie
    2026/03/25 20:24:31 329 118 172 321 331 4.8*1 ---- ---- 356 C2 C3 PHTX DST Java Movie
    2026/03/26 00:36:21 244 13 312 343 518 7.8*1 ---- ---- 246 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/26 05:48:23 126 32 326 630 1359 76.2*1 ---- ---- 123 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/26 06:36:22 44 75 544 541 536 -0.5*1 ---- ---- 58 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/26 10:36:24 248 18 380 732 2059 188.5*1 ---- ---- 245 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/26 11:12:31 38 79 196 190 116 -1.1*1 ---- ---- 19 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/26 15:00:21 80 5 276 205 0 -39.4*1 ---- ---- 83 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/26 17:00:22 28 13 188 223 432 6.8*1 ---- ---- 25 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/26 18:48:32 118 99 572 371 188 -23.0*1 ---- ---- 108 C2 C3 PHTX DST Java Movie
    2026/03/26 20:57:53 123 37 135 108 0 -3.0*1 ---- ---- 118 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/26 21:24:22 66 14 421 585 995 38.4*1 ---- ---- 68 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/26 23:12:31 61 14 319 309 161 -3.5*1 ---- ---- 67 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/26 23:48:21 245 10 422 697 1872 144.1*1 ---- ---- 239 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/26 23:48:21 120 85 440 707 715 20.4 ---- ---- 116 C2 C3 PHTX DST Java Movie
    2026/03/27 03:12:31 249 15 470 462 347 -4.7*1 ---- ---- 240 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/27 05:00:21 250 16 445 362 0 -16.3*1 ---- ---- 244 C2 C3 PHTX DST Java Movie Poor Event
    2026/03/27 19:00:21 243 31 445 489 582 7.5*1 ---- ---- 248 C2 C3 PHTX DST Java Movie
    2026/03/27 23:12:31 144 67 287 320 576 11.1*1 ---- ---- 134 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/28 00:48:31 334 27 313 424 539 10.5*1 ---- ---- 341 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/03/28 03:24:22 103 154 814 1092 966 25.1 ---- ---- 117 C2 C3 PHTX DST Java Movie Partial Halo
    2026/03/28 07:48:20 142 42 703 650 647 -6.3*1 ---- ---- 147 C2 C3 PHTX DST Java Movie
    2026/03/28 12:00:32 60 21 850 862 878 2.8*1 ---- ---- 63 C2 C3 PHTX DST Java Movie
    2026/03/28 22:36:20 349 40 440 310 0 -63.6*1 ---- ---- 351 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/29 00:00:32 44 17 294 353 587 11.8*1 ---- ---- 51 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/29 04:48:31 126 12 387 486 820 24.9*1 ---- ---- 128 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/29 19:36:31 136 20 282 460 1024 42.8*1 ---- ---- 128 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/30 01:48:23 319 35 622 648 893 19.5*1 ---- ---- 334 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/03/30 03:12:31 Halo 360 1646 1577 1610 -14.1 ---- ---- 119 C2 C3 PHTX DST Java Movie
    2026/03/30 05:36:31 280 37 166 156 0 -1.8*1 ---- ---- 269 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/03/31 01:48:20 328 30 470 641 1330 70.1*1 ---- ---- 332 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/03/31 09:24:21 177 13 397 311 0 -119.0*1 ---- ---- 177 C2 C3 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2026/03/31 11:24:52 325 31 210 230 375 4.3*1 ---- ---- 330 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2

    *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).