DONKI Header

CCMC DONKI

DONKI: Menu Page

Go to:

DONKI: View SW Activity

CME Analysis Information (for CME activity ID: 2026-09-20T12:23:00-CME-001)
Measurement Creation Time: 2026-09-20T19:01Z
Catalog: M2M_CATALOG
Data Level: 0 (0=real-time, 1=real-time and checked by supervising forecaster, 2=retrospective science level data analysis)
Use as primary measurement: true
Measurement Technique: Plane-of-sky

Detecting Instruments:

STEREO A: SECCHI/COR2

Image Type: running difference
Speed (km/s): 427.0
Speed measured at height (Rs): 10.9
Type: S
Direction (LON/LAT in HEEQ): None Entered / 3.0
Half Angular Width (degree): 12.0
Minor Half-width (degree): None Entered
Tilt (degree): None Entered
Time@21.5: 2026-09-20T20:21Z
Info/Session URL: None Entered
Note:

STEREO A COR2 plane-of-sky taken at W159.6, with STEREO A located at W69.9.

Measurement Feature Code(s):

LE: Leading Edge

General Keyword(s):

Version 1 submitted on 2026-09-20T19:46Z by Tony Iampietro

No Notification has been sent for this activity yet.

All directly linked activities:

2026-09-20T12:23:00-CME-001

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