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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-07-21T06:23Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2026-07-21T06:23:00-CME-001 (version 1)
Note Keyword:
HAL: Halo CME
Source Signature Keyword:
OFL: Moving/Opening field lines
Morphology Keyword:
Note: CME first seen to the WNW in STEREO A COR2 starting at 2026-07-21T06:23Z. It is also seen to the NW in SOH0 LASCO C2/C3 and GOES CCOR-1 but is largely obscured by the pylon in SOHO LASCO C3 and GOES CCOR-1. There is a larger shock feature that appears as a halo in SOHO LASCO C2/C3 and GOES CCOR-1. The source of this CME is most likely wide opening field lines seen near the W limb in STEREO A EUVI 195 beginning around 2026-07-21T05:55Z.
Version 1 submitted on 2026-07-21T12:20Z by Elizabeth Juelfs
A Notification with ID
20260721-AL-003 was sent on 2026-07-21T15:35Z
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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 |
148.0 |
22.0 |
658.0 |
C |
25.0 |
2026-07-21T11:28Z |
Measurement of brightest, densest part of the leading edge based on best fit among SOHO LASCO C2, GOES CCOR-1, and STEREO A COR2. |
1: Result 1 (2.0 AU)
Psyche = 2026-07-26T18:00Z
2: Result 2 (5.5 AU)
Psyche = 2026-07-26T18:00Z
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Tony Iampietro on 2026-07-21T13:36Z |
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CME Analysis
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M2M_CATALOG |
SH
|
true |
SWPC_CAT |
177.0 |
9.0 |
881.0 |
C |
49.0 |
2026-07-21T10:03Z |
Shock front triangulation between SOHO LASCO C2/C3 and STEREO A COR2. |
1: Result 1 (2.0 AU)
Psyche = 2026-07-26T12:00Z
Solar Orbiter = 2026-07-23T07:00Z
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2026-07-21T13:33Z |
Tony Iampietro on 2026-07-21T13:36Z |
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| No Linked Activity Found. |
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