• 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
    2008/06/02 04:16:46 95 120 192 244 235 2.2*1 3.3e+15 6.1e+29 82 C2 C3 195 PHTX DST Java Movie Only C3
    2008/06/02 16:06:04 85 10 371 359 156 -5.1*1 ---- ---- 78 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/06/02 16:54:04 237 5 393 430 716 16.3*1 ---- ---- 241 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/06/02 17:30:04 25 5 567 911 2681 303.2*1 ---- ---- 26 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/06/03 05:54:04 202 8 225 217 0 -2.6*1 ---- ---- 206 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/04 03:54:04 71 18 255 226 54 -3.3*1 ---- ---- 77 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/06/04 12:30:04 292 22 201 234 369 4.5*1 1.4e+13 2.8e+27 293 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/04 15:54:04 102 15 295 242 0 -22.0*1 ---- ---- 102 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/05 12:30:05 268 42 56 122 219 2.1*1 1.8e+14 2.8e+27 272 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/06/05 21:55:40 18 15 441 348 0 -20.1*1 ---- ---- 22 C2 C3 195 PHTX DST Java Movie
    2008/06/05 23:54:04 110 9 235 316 386 5.8*1 ---- ---- 111 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/06/05 23:54:04 21 41 173 186 286 2.3*1 7.6e+13 1.1e+28 23 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/06 07:31:38 15 6 296 222 0 -43.3*1 ---- ---- 19 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/06 18:30:04 115 33 125 261 327 4.7*1 6.7e+14 5.3e+28 117 C2 C3 195 PHTX DST Java Movie
    2008/06/07 07:31:41 195 4 233 416 1476 101.4*1 ---- ---- 198 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/06/07 11:30:04 172 7 188 145 0 -24.5*1 ---- ---- 171 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/07 14:30:04 102 13 350 240 0 -62.0*1 ---- ---- 102 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/07 15:54:04 71 16 167 165 122 -0.6*1 ---- ---- 73 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/08 01:31:38 96 12 281 319 763 21.6*1 ---- ---- 96 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/08 08:06:04 246 9 416 322 0 -37.8*1 ---- ---- 245 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/06/08 15:54:04 105 7 174 120 0 -31.3*1 ---- ---- 105 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/08 18:30:05 116 8 335 341 346 0.5*1 ---- ---- 116 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/10 12:30:04 106 40 495 391 0 -20.3*1 1.9e+14 2.3e+29 98 C2 C3 195 PHTX DST Java Movie
    2008/06/10 12:54:04 56 35 456 547 568 8.0*1 4.9e+14 5.1e+29 68 C2 C3 195 PHTX DST Java Movie
    2008/06/11 07:31:38 271 31 154 150 131 -0.3*1 3.0e+13 3.5e+27 267 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/12 03:30:04 83 62 274 474 515 10.8 1.6e+15 6.2e+29 71 C2 C3 195 PHTX DST Java Movie
    2008/06/12 20:30:04 63 6 153 187 223 1.4*1 ---- ---- 69 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/06/13 14:54:04 51 29 65 103 215 1.9*1 1.8e+14 3.8e+27 47 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/15 00:54:04 169 73 243 215 73 -2.8*1 1.9e+14 5.6e+28 167 C2 C3 195 PHTX DST Java Movie
    2008/06/15 14:54:04 163 5 225 23 0 -196.3*1 ---- ---- 159 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/06/16 00:54:26 248 19 146 166 432 7.0*1 ---- ---- 255 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/16 07:31:38 228 27 219 175 0 -8.5*1 1.1e+14 2.6e+28 235 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/16 19:54:04 353 5 279 375 811 25.9*1 ---- ---- 352 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/17 11:30:04 117 17 209 209 209 0.0*1 ---- ---- 110 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/06/17 15:54:04 253 12 344 268 0 -27.0*1 ---- ---- 252 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/06/18 00:54:04 250 18 249 349 1062 45.5*1 ---- ---- 248 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/18 14:06:04 117 6 631 317 0 -217.6*1 ---- ---- 113 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/06/18 20:06:04 222 29 148 154 161 0.2*1 2.8e+12 3.0e+26 225 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/19 13:54:04 256 6 328 258 0 -30.8*1 ---- ---- 253 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2008/06/19 16:26:04 358 6 659 749 1124 38.7*1 ---- ---- 360 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/06/19 18:27:11 0 6 562 615 1127 44.1*1 ---- ---- 2 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/06/19 20:06:04 77 44 127 187 228 1.9*1 2.6e+12 2.1e+26 77 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/20 03:26:06 114 8 176 86 0 -32.1*1 ---- ---- 113 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/20 12:26:05 235 25 219 331 363 5.1*1 2.0e+14 4.7e+28 237 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/06/20 15:06:05 81 18 293 318 315 1.2*1 ---- ---- 83 C2 C3 195 PHTX DST Java Movie
    2008/06/21 03:34:11 113 5 209 268 665 17.8*1 ---- ---- 107 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/06/21 03:34:11 248 27 335 357 376 1.9*1 4.2e+13 2.3e+28 245 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/21 09:06:04 258 7 397 468 678 15.1*1 ---- ---- 258 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/21 20:50:04 258 8 287 245 0 -23.1*1 ---- ---- 257 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/21 23:26:04 117 9 299 161 0 -80.2*1 ---- ---- 110 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/22 00:26:04 251 7 188 170 0 -2.9*1 ---- ---- 251 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/22 10:50:04 104 29 242 211 0 -4.0*1 1.1e+14 3.3e+28 104 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/22 21:50:04 298 8 417 298 0 -43.7*1 ---- ---- 296 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/23 23:26:05 184 10 407 343 0 -34.8*1 ---- ---- 184 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/24 08:06:04 238 9 251 298 355 3.8*1 ---- ---- 241 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/24 08:50:05 183 7 301 306 385 2.6*1 ---- ---- 183 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/24 08:50:05 8 7 305 300 193 -2.5*1 ---- ---- 13 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/24 23:50:04 9 7 453 398 0 -52.4*1 ---- ---- 11 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/06/25 12:50:04 190 6 352 520 1303 69.0*1 ---- ---- 191 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/25 15:26:04 191 7 322 494 1828 139.0*1 ---- ---- 190 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/06/25 18:26:04 270 14 190 192 217 0.5*1 ---- ---- 271 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/26 00:26:04 233 31 228 291 329 3.3*1 2.7e+14 7.1e+28 240 C2 C3 195 PHTX DST Java Movie
    2008/06/26 02:26:23 75 84 204 222 236 0.8*1 8.2e+14 1.7e+29 67 C2 C3 195 PHTX DST Java Movie
    2008/06/26 22:06:04 7 4 191 116 0 -33.0*1 ---- ---- 10 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2008/06/27 01:50:06 93 31 179 295 1105 50.0*1 7.1e+12 1.1e+27 92 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2008/06/27 06:50:05 73 12 398 342 0 -12.9*1 ---- ---- 81 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/06/27 07:27:11 242 13 177 228 393 5.8*1 ---- ---- 243 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/27 15:26:04 247 38 119 278 375 5.8*1 3.3e+14 2.3e+28 250 C2 C3 195 PHTX DST Java Movie Poor Event
    2008/06/29 10:06:05 296 6 246 329 356 4.3*1 ---- ---- 294 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2008/06/30 07:27:11 40 36 216 241 275 1.6*1 2.5e+14 5.8e+28 48 C2 C3 195 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).