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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-08-03T12:23Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-08-03T12:23:00-CME-001 (version 2)
Source Location: S35W05
Note Keyword:
DFL: Likely deflection of the event within the FOV
GAP: Data gap
OFL: Outflowing material at the back of the CME
Source Signature Keyword:
FIL: Filament eruption
OFL: Moving/Opening field lines
BR: Brightening
DIM: Dimming
Morphology Keyword:
F: Flux Rope
Note: CME observed to the SE in STEREO A COR2 and GOES CCOR-1. The source is a filament eruption on the south central disk centered around S35W05. The filament in SDO AIA 304 begins to lift as early as approximately 2026-08-03T03:00Z, with most of the eruption seen from 2026-08-03T07:00Z to 2026-08-03T12:00Z, with brightening on-disk. This CME is also observed in SDO AIA 193 as a wide swath of dimming starting at approximately 2026-08-03T10:00Z which migrates southeastward for several hours and covers a large area of the south-central disk. The filament eruption, field line movement, dimming, and brightening are also seen in STEREO A EUVI 195 and 304 at 2026-08-03T07:55Z and 2026-08-03T08:15Z respectively.
Version 1 submitted on 2026-08-03T17:30Z by Tony Iampietro
Version 2 submitted on 2026-08-03T19:33Z by Mary Aronne
No Notification has been sent for this activity yet.
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The List of CME Analysis already entered: |
| Event Type |
Catalog |
Measurement TypeCME measurement type: Leading Edge (LE), Shock Front (SH), Right Hand Boundary (RHB), Left Hand Boundary (LHB), Black/White Boundary (BW), Prominence Core (COR), Disconnection Front (DIS), Trailing Edge (TE). |
Prime?"primary flag" which is either True or False. If there are multiple CME analysis entries for a single CME, this flag would indicate which analysis is considered most accurate per measurement type. This is a helpful flag if you would like to download only one most accurate CME analysis per CME per Measurement Type |
Technique |
Long |
Lat |
Speed |
Type |
Half Width |
Time 21.5 |
Note |
WSA-ENLIL+Cone Result(s) |
Measured On |
Submitted By |
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CME Analysis
|
M2M_CATALOG |
LE
|
true |
SWPC_CAT |
-32.0 |
-24.0 |
347.0 |
S |
27.0 |
2026-08-03T22:33Z |
Triangulation between STEREO A COR2 and GOES CCOR-1. |
1: Result 1 (2.0 AU)
Earth = 2026-08-07T16:00Z
(PE: -13.9 h)
Europa Clipper = 2026-08-08T06:00Z
OSIRIS-APEX = 2026-08-08T10:00Z
Juice = 2026-08-08T23:00Z
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2026-08-03T16:08Z |
Tony Iampietro on 2026-08-03T17:33Z |
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