CMEModerate

Coronal Mass Ejection

Tuesday, September 29, 2026

Overview

A moderate-speed coronal mass ejection (CME) was observed on Tuesday, September 29, 2026 traveling at approximately 655 km/s.

Key Measurements

Date

Tuesday, September 29, 2026

Time (UTC)

04:12:00 UTC

Speed

655

km/s

Half Angle

10°

Severity

Moderate

Start Time

04:12:00 UTC

Tuesday, September 29, 2026

Speed

655 km/s

Half Angle

10°

CME Type

C

Source Location

S05E90

Data Sources
NASA DONKI SearchNOAA SWPC

Event ID: 2026-09-29T04:12:00-CME-001