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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-09-09T16:00Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-09-09T16:00:00-CME-001 (version 1)
Note Keyword:
Faint: Faint event; may affect type assignment
Source Signature Keyword:
OFL: Moving/Opening field lines
Morphology Keyword:
Note: Wide, faint CME visible to the SW in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. The CME is also visible to the SE in STEREO A COR2 imagery, and overlaps in the field of view with CME: 2026-09-09T16:09Z. The potential source is unclear, but may be brightening and field line movement seen in the vicinity of AR 14521 (N09W48) beginning at approx. 2026-09-09T14:30Z as seen in SDO AIA 193.
Version 1 submitted on 2026-09-11T15:21Z 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
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M2M_CATALOG |
LE
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true |
SWPC_CAT |
29.0 |
1.0 |
282.0 |
S |
35.0 |
2026-09-10T04:39Z |
Measurement based on the best fit between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery in SWPC_CAT. Preliminary measurements of this CME measured less than 200 km/s. This measurement uses additional coronagraph imagery. |
1: Result 1 (2.0 AU)
Earth = 2026-09-13T23:00Z
(PE: -10.4 h)
Solar Orbiter = 2026-09-12T02:58Z
Juice = 2026-09-14T07:00Z
STEREO A = 2026-09-13T14:00Z
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Mary Aronne on 2026-09-11T15:22Z |
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