• 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
    2021/12/01 00:12:05 252 17 132 117 0 -4.4*1 ---- ---- 254 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/01 20:36:06 246 43 433 488 613 9.6*1 1.3e+14 1.3e+29 242 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/03 03:47:46 261 34 215 262 640 15.6*1 7.2e+13 1.7e+28 266 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/03 18:00:05 257 29 270 243 0 -12.0*1 5.8e+13 2.1e+28 264 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/03 21:48:06 257 37 228 205 0 -5.0*1 3.1e+14 8.1e+28 255 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/04 02:12:05 251 31 212 213 225 0.3*1 1.1e+14 2.6e+28 248 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/04 05:24:05 270 98 523 423 286 -12.2 2.3e+15 3.2e+30 246 C2 C3 PHTX DST Java Movie
    2021/12/04 08:00:05 275 98 339 273 131 -5.9*1 2.1e+15 1.2e+30 268 C2 C3 PHTX DST Java Movie
    2021/12/04 11:36:05 273 132 514 590 570 5.3 7.8e+15*2 1.0e+31*2 274 C2 C3 PHTX DST Java Movie Partial Halo
    2021/12/04 16:12:05 255 57 463 388 120 -11.5 7.0e+13 7.5e+28 265 C2 C3 PHTX DST Java Movie
    2021/12/05 00:24:06 257 71 507 479 491 -1.7 4.7e+14 6.0e+29 264 C2 C3 PHTX DST Java Movie
    2021/12/05 07:36:05 269 110 628 659 697 5.6*1 1.6e+15 3.1e+30 244 C2 C3 PHTX DST Java Movie
    2021/12/05 14:24:06 241 21 304 432 642 17.3*1 8.2e+13 3.8e+28 243 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/05 15:48:17 292 29 215 166 0 -6.6*1 2.2e+14 5.2e+28 288 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/05 19:00:05 271 113 563 650 625 6.5 4.7e+15 7.4e+30 277 C2 C3 PHTX DST Java Movie
    2021/12/05 21:48:05 236 51 354 386 382 1.8*1 8.9e+14 5.6e+29 240 C2 C3 PHTX DST Java Movie
    2021/12/06 01:36:23 280 30 425 565 680 17.0*1 1.2e+13 1.1e+28 277 C2 C3 PHTX DST Java Movie
    2021/12/06 05:48:05 282 44 992 687 0 -77.7*1 2.5e+14 1.2e+30 272 C2 C3 PHTX DST Java Movie
    2021/12/06 09:12:09 138 10 361 324 0 -20.9*1 ---- ---- 132 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/06 10:00:05 273 24 291 340 667 15.9*1 2.7e+14 1.2e+29 269 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/06 11:36:05 257 81 585 624 643 4.9*1 4.3e+14 7.3e+29 248 C2 C3 PHTX DST Java Movie
    2021/12/06 22:36:05 235 43 471 361 0 -20.5*1 1.7e+14 1.9e+29 242 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/07 01:25:43 250 45 330 268 0 -16.3*1 8.3e+13 4.5e+28 248 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/08 13:48:05 83 41 429 520 971 34.3*1 7.4e+13 6.9e+28 87 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/08 17:12:05 72 10 206 238 272 1.9*1 ---- ---- 81 C2 C3 PHTX DST Java Movie Very Poor Event
    2021/12/08 22:36:05 300 23 265 243 0 -6.5*1 1.8e+14 6.4e+28 297 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/09 02:00:05 122 33 511 362 0 -69.2*1 2.2e+14 2.9e+29 122 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/09 05:12:06 92 22 550 637 1187 49.9*1 2.3e+13 3.5e+28 92 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/09 11:24:05 125 10 288 374 989 39.2*1 ---- ---- 124 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/09 17:36:05 73 21 185 172 0 -2.0*1 1.3e+14 2.2e+28 75 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/09 23:24:05 116 32 703 641 458 -15.5*1 2.1e+14 5.3e+29 111 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/10 00:24:05 115 23 220 152 0 -3.7*1 5.3e+13 1.3e+28 123 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/10 04:24:07 239 16 233 208 80 -2.6*1 ---- ---- 239 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/10 11:12:06 325 23 438 582 1222 59.2*1 9.2e+13 8.8e+28 325 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/10 11:24:05 121 15 790 725 0 -44.1*1 ---- ---- 123 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/10 19:50:19 106 23 235 179 0 -13.8*1 1.1e+14 3.0e+28 113 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/11 08:12:06 148 7 345 465 1102 48.3*1 ---- ---- 148 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/11 08:48:06 125 7 696 1059 2751 321.0*1 ---- ---- 125 C2 C3 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2021/12/11 10:12:06 78 28 686 846 1722 111.2*1 7.0e+13 1.7e+29 83 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/12 05:00:05 251 9 308 321 456 5.1*1 ---- ---- 250 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/12 19:36:05 125 6 457 300 0 -109.2*1 ---- ---- 125 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/12 22:24:05 121 14 262 238 0 -10.8*1 ---- ---- 120 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/13 01:25:46 113 31 546 628 1272 59.8*1 1.5e+14 2.3e+29 109 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/13 05:24:05 119 11 325 281 0 -18.8*1 ---- ---- 115 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/13 10:48:05 124 9 274 290 526 8.7*1 ---- ---- 123 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/13 11:36:06 110 51 534 382 0 -21.7*1 4.1e+14 5.9e+29 111 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/14 22:36:05 98 25 166 215 631 15.8*1 1.6e+14 2.2e+28 100 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/15 02:12:05 108 32 153 193 351 4.6*1 5.6e+14 6.6e+28 103 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/15 07:00:06 252 30 269 292 329 1.9*1 3.1e+14 1.1e+29 256 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/15 12:00:05 113 34 365 405 459 4.5*1 5.3e+14 3.5e+29 121 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/16 02:24:06 107 58 218 254 472 7.9*1 4.7e+14 1.1e+29 107 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/16 04:24:06 113 82 378 346 344 -2.1*1 2.2e+15 1.6e+30 128 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/16 06:12:06 113 71 220 136 0 -21.8*1 9.3e+13 2.3e+28 102 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/16 11:00:05 109 45 325 277 0 -5.9*1 1.7e+14 9.0e+28 109 C2 C3 PHTX DST Java Movie
    2021/12/17 07:36:05 84 26 181 206 554 11.7*1 2.3e+13 3.8e+27 90 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/17 14:12:05 300 14 338 547 1299 69.8*1 ---- ---- 297 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/17 20:36:05 Halo 360 218 88 0 -20.7*1 1.9e+14*2 4.6e+28*2 48 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/17 22:12:05 113 90 409 456 769 18.7*1 3.8e+13 3.2e+28 124 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/18 06:12:05 106 82 231 156 0 -18.7*1 2.2e+13 5.8e+27 120 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/18 10:24:07 94 20 172 85 0 -15.8*1 6.2e+13 9.1e+27 99 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/18 15:12:09 70 13 219 335 893 32.5*1 ---- ---- 75 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/18 18:00:05 125 158 588 529 516 -6.0 3.2e+15*2 5.5e+30*2 115 C2 C3 PHTX DST Java Movie Partial Halo
    2021/12/19 07:48:07 269 29 345 408 826 25.3*1 9.5e+13 5.6e+28 270 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/19 13:25:48 255 7 214 190 0 -11.1*1 ---- ---- 259 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/19 14:36:05 305 12 294 302 381 2.6*1 ---- ---- 299 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/19 17:12:05 118 8 319 445 529 10.3*1 ---- ---- 122 C2 C3 PHTX DST Java Movie Very Poor Event
    2021/12/19 19:00:05 93 19 456 384 0 -13.8*1 ---- ---- 102 C2 C3 PHTX DST Java Movie
    2021/12/19 20:12:05 92 25 545 670 954 29.9*1 2.9e+14 4.3e+29 90 C2 C3 PHTX DST Java Movie
    2021/12/20 03:24:05 132 30 286 363 637 15.0*1 3.4e+14 1.4e+29 139 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/20 05:24:05 111 97 227 245 386 4.4*1 2.9e+14 7.5e+28 112 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/20 12:24:05 64 314 359 390 493 5.5*1 1.1e+15*2 6.9e+29*2 155 C2 C3 PHTX DST Java Movie Partial Halo
    2021/12/21 04:12:05 300 24 175 163 0 -4.4*1 1.6e+13 2.5e+27 299 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/21 14:36:05 277 111 105 197 392 6.5*1 5.0e+14 2.8e+28 284 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/21 18:48:05 125 104 196 201 229 0.7*1 9.4e+14 1.8e+29 141 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/22 10:36:05 246 16 375 386 429 2.1*1 ---- ---- 243 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/22 21:48:06 143 68 196 172 0 -3.7*1 3.1e+14 6.0e+28 132 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/23 15:12:09 251 23 141 138 83 -0.6*1 8.9e+12 8.9e+26 249 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/23 22:24:06 254 34 763 477 0 -47.0*1 3.2e+14 9.3e+29 243 C2 C3 PHTX DST Java Movie
    2021/12/24 09:36:05 257 9 174 166 0 -1.8*1 ---- ---- 255 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/24 12:12:05 256 44 360 261 187 -6.9*1 9.5e+14 6.2e+29 260 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/24 12:24:05 317 41 500 522 724 12.7*1 2.9e+12*2 3.6e+27*2 319 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/24 22:12:05 105 117 166 215 258 2.2*1 1.2e+15 1.7e+29 95 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/25 02:12:05 239 15 974 865 0 -68.5*1 ---- ---- 240 C2 C3 PHTX DST Java Movie
    2021/12/25 05:48:06 242 7 260 102 0 -50.1*1 ---- ---- 246 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/25 10:12:06 260 22 192 193 197 0.1*1 2.3e+14 4.3e+28 255 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/25 15:24:05 259 28 206 183 97 -1.7*1 1.3e+14 2.8e+28 254 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/25 20:48:05 243 14 423 384 0 -15.6*1 ---- ---- 247 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/26 04:00:05 259 61 286 428 626 15.1*1 6.6e+14 2.7e+29 253 C2 C3 PHTX DST Java Movie
    2021/12/26 21:36:05 272 95 353 334 187 -4.2*1 1.2e+14 7.7e+28 256 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/27 05:36:05 104 42 153 77 0 -40.9*1 7.8e+13 9.2e+27 104 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/27 07:00:05 290 106 179 159 0 -2.9*1 5.3e+14 8.4e+28 276 C2 C3 PHTX DST Java Movie
    2021/12/27 23:12:11 82 76 175 246 453 8.1*1 3.6e+14 5.5e+28 84 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/28 02:36:05 247 15 219 289 908 33.0*1 ---- ---- 248 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/28 03:48:05 310 14 501 598 1220 56.6*1 ---- ---- 311 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/28 06:12:06 286 79 339 380 748 19.4*1 1.8e+13 1.0e+28 280 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/28 10:36:05 95 43 109 137 180 1.1*1 2.5e+13 1.5e+27 102 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/28 13:25:51 245 19 182 92 0 -49.2*1 ---- ---- 247 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/28 21:36:05 104 26 300 371 517 9.8*1 5.8e+12 2.6e+27 107 C2 C3 PHTX DST Java Movie Very Poor Event
    2021/12/29 03:12:11 261 70 508 592 795 19.1*1 7.5e+14 9.7e+29 244 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/29 19:12:05 300 92 318 423 418 5.5*1 1.8e+13 9.2e+27 305 C2 C3 PHTX DST Java Movie
    2021/12/29 23:36:05 308 19 902 828 447 -30.5*1 ---- ---- 313 C2 C3 PHTX DST Java Movie Poor Event
    2021/12/30 02:12:05 102 58 209 146 0 -13.9*1 2.9e+14 6.3e+28 106 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/30 16:12:05 261 29 207 250 566 12.2*1 4.8e+13 1.0e+28 257 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/30 22:00:05 260 27 221 255 547 11.1*1 2.0e+13 4.9e+27 257 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2021/12/31 02:00:06 254 29 96 106 352 4.9*1 5.6e+13*2 2.6e+27*2 259 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2021/12/31 06:24:05 261 50 262 367 458 7.6 1.5e+15 5.1e+29 262 C2 C3 PHTX DST Java Movie
    2021/12/31 12:24:05 91 36 275 436 587 13.6*1 7.1e+14 2.7e+29 98 C2 C3 PHTX DST Java Movie
    2021/12/31 14:00:07 222 133 262 455 420 7.4*1 3.2e+15*2 1.1e+30*2 228 C2 C3 PHTX DST Java Movie Partial Halo
    2021/12/31 16:00:05 326 9 553 598 1125 41.4*1 ---- ---- 322 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).