• 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
    2016/12/01 02:48:05 54 36 229 256 478 7.9*1 4.7e+13 1.2e+28 58 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/01 05:12:05 232 20 174 258 652 17.4*1 3.6e+13 5.5e+27 236 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/01 06:48:06 57 43 436 405 341 -4.2*1 9.8e+13 9.3e+28 62 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/01 10:36:05 238 12 274 339 460 7.4*1 ---- ---- 239 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/01 20:12:05 277 25 179 198 238 1.3*1 1.2e+14 2.0e+28 267 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/02 07:12:05 275 33 395 595 854 31.0*1 9.3e+13 7.2e+28 278 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/02 14:36:05 242 100 146 418 359 5.4*1 2.9e+15 3.0e+29 242 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/04 04:48:05 311 7 312 512 1839 140.0*1 ---- ---- 308 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/04 10:12:05 239 7 464 343 0 -23.1*1 ---- ---- 245 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/04 13:48:05 232 14 549 361 0 -42.1*1 ---- ---- 237 C2 C3 PHTX DST Java Movie
    2016/12/04 14:12:06 273 79 426 373 282 -6.3*1 5.9e+13 5.4e+28 291 C2 C3 PHTX DST Java Movie
    2016/12/05 02:36:05 70 56 224 84 0 -9.5*1 3.1e+14 7.7e+28 70 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/05 16:00:05 95 113 192 314 313 3.9*1 2.6e+15 4.8e+29 98 C2 C3 PHTX DST Java Movie
    2016/12/06 09:24:06 240 11 552 408 0 -102.0*1 ---- ---- 245 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/06 12:48:05 294 14 343 350 368 0.9*1 ---- ---- 286 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/06 19:12:05 127 27 173 182 249 1.5*1 7.2e+13 1.1e+28 121 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/12/06 19:48:05 262 34 214 215 222 0.2*1 4.8e+13 1.1e+28 263 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/12/07 10:36:07 74 106 278 368 355 3.7 3.7e+15 1.4e+30 66 C2 C3 PHTX DST Java Movie
    2016/12/07 11:00:06 292 16 438 360 0 -16.6*1 ---- ---- 287 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/08 00:24:05 65 39 311 308 296 -0.5*1 2.9e+13 1.4e+28 74 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/08 03:12:08 69 48 208 336 460 8.6*1 3.6e+14 7.7e+28 74 C2 C3 PHTX DST Java Movie
    2016/12/09 00:48:05 315 15 393 513 667 15.8*1 ---- ---- 320 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/09 07:36:05 88 23 306 219 0 -10.7*1 1.7e+14 8.0e+28 100 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/10 01:25:20 85 10 259 300 593 12.6*1 ---- ---- 91 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/10 17:24:05 269 76 248 227 133 -2.2 3.3e+14 1.0e+29 269 C2 C3 PHTX DST Java Movie
    2016/12/11 18:00:05 310 10 387 438 776 20.6*1 ---- ---- 314 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/12 04:00:05 261 76 212 285 349 4.6*1 4.2e+15 9.4e+29 266 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/12 06:48:05 319 152 424 469 473 3.2 8.7e+15*2 7.8e+30*2 311 C2 C3 PHTX DST Java Movie Partial Halo
    2016/12/12 12:36:05 103 69 71 170 333 4.7*1 1.9e+14 4.8e+27 118 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/13 15:36:05 210 11 480 487 620 6.7*1 ---- ---- 215 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/14 19:00:05 303 12 283 365 775 22.9*1 ---- ---- 304 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/15 03:12:09 82 52 143 123 0 -5.3*1 7.6e+13 7.7e+27 106 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/15 04:00:05 304 21 283 121 0 -12.7*1 1.4e+14 5.7e+28 300 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/15 05:36:05 86 45 206 223 243 0.9*1 1.2e+15 2.6e+29 88 C2 C3 PHTX DST Java Movie
    2016/12/15 15:36:05 303 37 152 185 274 2.5*1 1.6e+14 1.8e+28 299 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/15 17:48:05 265 16 515 347 0 -48.6*1 ---- ---- 267 C2 C3 PHTX DST Java Movie
    2016/12/15 21:38:41 301 56 281 187 0 -6.6*1 4.0e+13 1.6e+28 298 C2 C3 PHTX DST Java Movie
    2016/12/16 02:24:05 131 35 223 203 0 -4.4*1 3.7e+12 9.2e+26 114 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/12/16 14:36:05 301 15 322 371 498 8.2*1 ---- ---- 298 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/16 17:12:05 74 11 302 153 0 -99.7*1 ---- ---- 79 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/16 21:48:05 84 109 444 598 591 10.9 6.6e+14 6.5e+29 57 C2 C3 PHTX DST Java Movie
    2016/12/17 03:12:08 24 194 132 139 171 0.6*1 3.9e+14*2 3.4e+28*2 72 C2 C3 PHTX DST Java Movie Poor Event; Partial Halo
    2016/12/17 11:12:05 89 59 259 376 384 5.3*1 2.6e+15 8.6e+29 93 C2 C3 PHTX DST Java Movie
    2016/12/18 01:48:05 82 14 228 293 497 9.5*1 ---- ---- 83 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/18 03:12:08 251 10 493 545 1037 37.9*1 ---- ---- 261 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/18 20:00:06 78 8 213 221 293 1.8*1 ---- ---- 84 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/19 11:12:06 256 27 42 76 231 2.3*1 6.8e+13 6.0e+26 254 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/20 05:24:05 63 11 281 154 0 -61.7*1 ---- ---- 67 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/20 08:24:05 240 22 105 112 138 0.4*1 1.5e+13 8.1e+26 242 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/20 11:00:06 334 9 371 503 1729 120.6*1 ---- ---- 331 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/21 19:48:05 244 10 278 273 244 -1.0*1 ---- ---- 243 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/21 20:00:05 90 93 207 351 306 3.6 3.8e+15 8.2e+29 84 C2 C3 PHTX DST Java Movie
    2016/12/22 16:48:05 245 8 316 356 438 5.1*1 ---- ---- 242 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/23 04:49:21 105 34 137 222 1051 45.4*1 4.2e+12 3.9e+26 107 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/23 06:12:11 27 9 246 212 0 -15.8*1 ---- ---- 33 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/23 20:24:05 246 10 284 217 0 -12.0*1 ---- ---- 247 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/24 14:12:05 77 15 149 101 0 -20.9*1 ---- ---- 74 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/24 18:00:05 247 13 336 239 0 -32.7*1 ---- ---- 247 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/24 19:00:05 22 9 367 439 1301 67.1*1 ---- ---- 27 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/25 00:12:05 272 9 281 348 907 32.0*1 ---- ---- 267 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/25 02:48:06 309 5 244 328 1344 73.6*1 ---- ---- 309 C2 C3 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2016/12/25 11:48:05 174 8 363 214 0 -134.3*1 ---- ---- 175 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/25 12:24:05 306 7 220 442 936 36.8*1 ---- ---- 301 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/25 16:53:30 47 60 167 205 252 2.1*1 6.4e+14 8.9e+28 40 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/26 04:48:06 72 25 121 114 0 -1.9*1 1.7e+13 1.3e+27 71 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/26 11:48:06 273 12 699 566 0 -39.2*1 ---- ---- 270 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/26 15:36:05 301 9 287 345 907 31.7*1 ---- ---- 302 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/27 00:12:05 236 33 192 284 430 7.5*1 1.5e+14 2.7e+28 239 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/12/27 03:48:06 357 7 264 485 1735 124.6*1 ---- ---- 359 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/27 07:36:06 356 8 196 281 1159 55.6*1 ---- ---- 357 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/27 13:25:41 271 10 265 338 964 38.5*1 ---- ---- 268 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/27 23:24:05 354 4 247 207 0 -40.3*1 ---- ---- 354 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/28 04:12:05 267 10 748 1024 2520 255.1*1 ---- ---- 267 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/28 08:24:06 259 76 124 191 220 1.9*1 3.0e+15 2.3e+29 247 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/29 04:00:05 354 9 290 373 1200 57.5*1 ---- ---- 356 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/29 15:24:05 48 20 147 180 370 5.6*1 5.5e+13 5.9e+27 55 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/30 02:24:05 232 25 333 346 354 1.0 9.8e+14 5.5e+29 231 C2 C3 PHTX DST Java Movie n
    2016/12/30 07:12:05 240 13 455 403 338 -6.9*1 ---- ---- 242 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/30 09:24:23 347 10 387 221 0 -157.9*1 ---- ---- 341 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/30 22:00:05 40 44 336 492 683 18.0*1 3.8e+14 2.2e+29 56 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/31 01:36:10 49 44 701 685 681 -2.1*1 1.3e+14 3.2e+29 57 C2 C3 PHTX DST Java Movie Poor Event
    2016/12/31 15:12:09 91 23 215 318 1057 45.6*1 1.4e+13 3.3e+27 92 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/12/31 23:12:10 84 32 176 267 1056 45.6*1 7.6e+12 1.2e+27 88 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).