DONKI Header

CCMC DONKI

DONKI: Menu Page

Go to:

 DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-06-26T14:12Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-06-26T14:12:00-CME-001 (version 1)
Source Location: S30W90
Note Keyword:
OVR: Event partially overlaps with another CME
CHP: CME - Coronal Hole Proximity
Source Signature Keyword:
OFL: Moving/Opening field lines
DIM: Dimming
Morphology Keyword:
O: Other
Note: CME observed to the SW in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. The front is quickly overlapped in STEREO A COR2 by CME 2026-06-26T15:09Z. The source is likely dimming and field line movement centered around S30W90, observed best in STEREO A EUVI 195 starting around 2026-06-26T13:35Z, with likely westward deflection caused by the nearby coronal hole east of the eruption. 
Version 1 submitted on 2026-06-26T17:33Z by Tony Iampietro
A Notification with ID 20260626-AL-004 was sent on 2026-06-26T17:59Z
A Notification with ID 20260626-AL-005 was sent on 2026-06-26T20:11Z

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
CME Analysis M2M_CATALOG LE true SWPC_CAT 112.0 -17.0 670.0 C 16.0 2026-06-26T19:32Z Triangulation between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. 1: Result 1 (2.0 AU)
Mars = 2026-07-01T01:00Z
Psyche = 2026-07-01T00:00Z
2: Result 2 (2.0 AU)
Mars = 2026-07-01T00:00Z
Psyche = 2026-06-30T18:00Z
2026-06-26T17:22Z Tony Iampietro on 2026-06-26T17:34Z



All directly linked activities:
No Linked Activity Found.


Comments by users:
0 comment received.
Insert title here

The Moon to Mars Space Weather Analysis Office and other entities provide data to DONKI as a courtesy to the community.
By visiting this site, you acknowledge that you understand and agree to the Important Disclaimer Notice

If you are looking for the official U.S. Government forecast for space weather, please go to NOAA's Space Weather Prediction Center (https://swpc.noaa.gov). This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

Curator: Chiu Wiegand | NASA Official: Dr. Masha Kuznetsova | Privacy and Security Notices | Accessibility | CCMC Data Policy