DONKI Header

Space Weather Database Of Notifications, Knowledge, Information (DONKI)

DONKI: Menu Page

Go to:

 DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2021-09-18T14:53Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
Activity ID: 2021-09-18T14:53:00-CME-001 (version 1)
Source Location: S40E30
Note Keyword:
Faint: Faint event; may affect type assignment
Source Signature Keyword:
FIL: Filament eruption
Morphology Keyword:
Note: Faintly visible in the SSW in STEREO A COR2 and in the SSE in SOHO LASCO/C2. Associated with a filament eruption centered near S40E30, visible in SDO AIA 193/304 beginning 2021-09-18T13:45Z.
Submitted on 2021-09-18T17:57Z by Robert Loper

A Notification with ID 20210918-AL-001 was sent on 2021-09-18T19:09Z

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, earlier measurements are marked as false when new or more accurate measurements are made. This is a helpful flag if you would like to download only one most accurate CME analysis per CME
 Technique Long Lat Speed Type Half Width Time 21.5 Note WSA-ENLIL+Cone Result(s) Submitted By
CME Analysis M2M_CATALOG true SWPC_CAT -24.0 -29.0 766.0 C 19.0 2021-09-18T19:27Z Remeasurement with more available coronagraph data, seems to confirm the previous measurement. Not modeled Robert Loper on 2021-09-19T13:15Z
CME Analysis M2M_CATALOG SH false SWPC_CAT -24.0 -31.0 710.0 C 19.0 2021-09-18T19:43Z Preliminary measurement; no imagery from SOHO LASCO/C3 available during this analysis. 1: Result 1 (2.0 AU)
Parker Solar Probe = 2021-09-20T18:00Z
Solar Orbiter = 2021-09-20T05:30Z
Robert Loper on 2021-09-18T17:59Z



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 Collection Consent Agreement