• 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
    2008/12/01 17:30:04 264 18 816 1081 2425 234.5*1 ---- ---- 266 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/01 23:30:04 76 65 146 182 238 1.9*1 3.0e+14 3.2e+28 89 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/02 18:30:06 291 29 207 239 292 2.2*1 6.5e+13 1.4e+28 295 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/02 20:30:04 7 5 280 312 683 17.6*1 ---- ---- 10 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/03 04:30:04 162 6 269 182 0 -35.0*1 ---- ---- 158 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/03 08:30:05 353 6 392 555 1888 143.9*1 ---- ---- 352 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/03 12:54:05 54 6 492 739 1651 110.1*1 ---- ---- 60 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/12/03 20:30:04 16 6 544 766 2160 187.0*1 ---- ---- 20 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/04 04:30:04 351 6 297 305 440 4.5*1 ---- ---- 351 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/04 15:54:04 351 7 293 299 380 2.6*1 ---- ---- 350 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/04 22:30:04 109 10 229 260 304 2.4*1 ---- ---- 108 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/05 10:06:04 18 7 283 181 0 -41.7*1 ---- ---- 24 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/12/05 16:31:44 243 9 310 231 0 -31.1*1 ---- ---- 250 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/12/06 07:31:39 258 22 235 306 701 19.6*1 6.1e+13 1.7e+28 266 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/06 12:30:04 15 7 236 198 0 -21.1*1 ---- ---- 17 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/06 12:30:04 292 20 412 362 244 -6.3*1 1.1e+14 9.3e+28 289 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/06 18:54:04 295 9 243 264 299 1.8*1 ---- ---- 288 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/06 18:54:04 251 19 156 203 346 4.5*1 ---- ---- 253 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/06 22:06:04 85 59 217 362 333 4.3*1 2.0e+15 4.7e+29 86 C2 C3 195 PHTX DST Java Movie
    2008/12/07 02:06:05 287 23 233 252 325 2.5*1 1.3e+14 3.4e+28 284 C2 C3 195 PHTX DST Java Movie
    2008/12/07 09:54:27 152 10 187 283 1050 45.5*1 ---- ---- 145 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/07 15:30:04 288 6 240 334 407 6.3*1 ---- ---- 290 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/07 16:06:04 91 23 191 248 351 4.3*1 4.8e+13 8.7e+27 90 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/08 15:30:04 286 47 146 256 286 3.3 1.5e+15 1.6e+29 284 C2 C3 195 PHTX DST Java Movie
    2008/12/09 18:30:04 241 7 252 343 937 35.9*1 ---- ---- 247 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/10 04:30:04 254 17 333 406 568 10.5*1 ---- ---- 251 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/11 06:06:04 263 43 185 163 0 -4.9*1 7.8e+13 1.3e+28 261 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/12/11 09:30:04 157 7 349 283 0 -26.9*1 ---- ---- 150 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/12/11 11:30:04 98 38 118 105 0 -3.0*1 2.3e+13 1.6e+27 102 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/11 16:30:04 258 40 137 319 334 4.9*1 8.8e+14 8.3e+28 263 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/11 18:54:04 76 9 373 522 1285 67.5*1 ---- ---- 79 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/12/12 08:54:04 297 184 203 322 432 7.4*1 8.1e+14*2 1.7e+29*2 317 C2 C3 195 PHTX DST Java Movie Poor Event; Partial Halo
    2008/12/12 09:30:04 154 8 281 333 868 29.4*1 ---- ---- 149 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/13 01:31:43 188 5 188 109 0 -19.4*1 ---- ---- 191 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/13 07:31:40 189 5 196 296 1141 55.8*1 ---- ---- 191 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/13 15:54:04 259 26 318 285 233 -2.8*1 2.0e+14 9.9e+28 263 C2 C3 195 PHTX DST Java Movie
    2008/12/14 09:30:04 254 19 281 240 0 -6.5*1 ---- ---- 257 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/14 12:54:04 13 5 275 386 1205 58.9*1 ---- ---- 18 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/15 11:30:04 73 13 342 440 1024 40.4*1 ---- ---- 77 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/15 19:31:36 106 71 148 351 309 4.0*1 4.0e+15 4.3e+29 102 C2 C3 195 PHTX DST Java Movie
    2008/12/16 12:54:04 262 10 198 221 243 1.2*1 ---- ---- 260 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/16 13:31:38 201 8 680 446 0 -136.4*1 ---- ---- 205 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/12/17 00:31:39 352 6 412 780 2805 340.9*1 ---- ---- 349 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/18 05:30:05 154 6 369 195 0 -96.3*1 ---- ---- 150 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/18 06:54:05 58 7 171 316 1383 77.7*1 ---- ---- 58 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/18 08:30:04 119 23 231 307 360 4.6*1 8.1e+12 2.2e+27 107 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/18 18:30:04 344 5 231 240 373 3.8*1 ---- ---- 349 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/18 21:30:07 52 25 304 296 254 -1.4*1 6.9e+13 3.2e+28 55 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/19 01:31:40 53 44 178 181 189 0.2*1 3.2e+13 5.1e+27 51 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/20 06:54:04 7 8 308 441 1211 60.9*1 ---- ---- 9 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/20 20:30:04 253 24 196 135 0 -5.6*1 9.2e+13 1.8e+28 256 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/20 20:30:04 61 25 205 219 296 2.3*1 1.6e+13 3.4e+27 74 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/22 05:30:04 101 9 432 341 0 -50.9*1 ---- ---- 99 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/23 18:06:06 8 11 213 220 311 2.2*1 ---- ---- 14 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/24 06:30:27 289 16 179 140 0 -7.0*1 ---- ---- 287 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/24 12:54:04 133 7 346 510 1477 87.7*1 ---- ---- 132 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/25 04:30:04 256 16 220 271 562 11.9*1 ---- ---- 259 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/27 05:30:04 48 114 468 604 562 8.0 1.8e+16 2.0e+31 62 C2 C3 195 PHTX DST Java Movie
    2008/12/28 00:30:04 77 9 173 238 308 3.7*1 ---- ---- 83 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/28 01:54:06 9 6 286 138 0 -144.4*1 ---- ---- 12 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/28 08:30:05 70 13 211 247 313 2.9*1 ---- ---- 76 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/28 12:54:04 60 28 203 312 394 6.0*1 1.6e+14 3.4e+28 65 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/28 20:30:04 254 10 231 337 365 4.9*1 ---- ---- 263 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/12/29 17:54:04 269 42 320 309 286 -1.1*1 2.5e+14 1.3e+29 274 C2 C3 195 PHTX DST Java Movie
    2008/12/29 23:06:04 6 7 399 278 0 -83.9*1 ---- ---- 10 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/12/30 01:31:39 53 13 88 98 138 0.5*1 ---- ---- 53 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/12/30 18:30:04 150 8 361 476 1051 44.2*1 ---- ---- 145 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/30 21:30:08 152 12 324 271 0 -29.5*1 ---- ---- 144 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/31 07:06:04 29 7 415 419 476 2.4*1 ---- ---- 36 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/12/31 14:30:04 287 15 269 295 550 10.4*1 ---- ---- 285 C2 C3 195 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).