2025-03-06T03:12:00-CME-001
- Catalog: M2M_CATALOG
- Start: Thu, 06 Mar 2025 03:12:00 +0000
- Source:
- Region:
- Note: Narrow and faint jet CME visible to the NE in SOHO LASCO C2/C3 and STEREO A COR2. Source is a faint and narrow loop / opening field line movement can be seen in GOES SUVI 284 off the NE limb, first distinguishable at 2025-03-06T03:00Z when the loop is already near the edge of the SUVI 284 field of view. There are two candidates for the origin of this loop: 1) a very small instance of brightening at 2025-03-06T02:58Z from AR 4017 (S05E56), or 2) from just beyond the NE limb, likely located near the northernmost footpoint of the arc of field lines visible on the NE limb in UV imagery which turns into the streamer visible to the NE in coronagraph imagery.
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Instruments
- SOHO: LASCO/C2
- SOHO: LASCO/C3
- STEREO A: SECCHI/COR2
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Analysis
- Latitude: 18.0000
- Longitude: -57.0000
- Half Width: 11.0000
- Speed: 687.0000
- Type: C
- Note: Best fit measurement using several frames of SOHO LASCO C2, C3, and STEREO A COR2. Narrow leading edge is faint but well-defined in C2, distinguishable but not as well-defined in STEREO A COR2, and defined for only two frames in C3.
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Instruments
2025-03-05T19:12:00-CME-001
- Catalog: M2M_CATALOG
- Start: Wed, 05 Mar 2025 19:12:00 +0000
- Source: N32W55
- Region:
- Note: A CME seen north in both coronagraphs and following the path of the 2025-03-05T11:00Z CME. Its likely source is a minor eruption with minor dimming and jagged ejecta seen in the NE at 2025-03-05T18:18Z in AIA 171 (N32W55), followed by the minor post-eruptive arcades.
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Instruments
- SOHO: LASCO/C2
- SOHO: LASCO/C3
- STEREO A: SECCHI/COR2
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Analysis
- Latitude: 60.0000
- Longitude: 36.0000
- Half Width: 18.0000
- Speed: 473.0000
- Type: S
- Note: Analysis based on the best fit with two coronagraphs. There seems to be a northward and eastward deflection from the location of the source eruption.
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Instruments
2025-03-05T11:00:00-CME-001
- Catalog: M2M_CATALOG
- Start: Wed, 05 Mar 2025 11:00:00 +0000
- Source: N28W65
- Region: 14006
- Note: CME seen to the NW in SOHO LASCO C2/C3, and briefly in STEREO COR2A before a data gap begins at 2025-03-05T11:53Z. The source is a small filament which spanned roughly N28W55->N28W70 (centered N28W62) near AR 14006 (N18W70) at 2025-03-05T10:09Z just before erupting. The eruption is best seen in SDO AIA 304 as the filament material brightening and lifting off, and also observed in SDO AIA 171 as field line movement to the NW.
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Instruments
- SOHO: LASCO/C2
- SOHO: LASCO/C3
- STEREO A: SECCHI/COR2
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Analysis
- Latitude: 51.0000
- Longitude: 25.0000
- Half Width: 19.0000
- Speed: 539.0000
- Type: C
- Note: Triangulated measurement using mostly SOHO LASCO C2/C3 frames, with two STEREO COR2A frames helping triangulate the longitude prior to its data gap beginning at 2025-03-05T11:53Z. This CME front diffuses out after an initial solid view in LASCO C2, it was much easier to track the leading edge in the earliest frames used for this measurement.
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Instruments
2025-03-05T04:48:00-CME-001
- Catalog: M2M_CATALOG
- Start: Wed, 05 Mar 2025 04:48:00 +0000
- Source: S25E100
- Region:
- Note: Very faint flux rope CME first seen to the SE in SOHO LASCO C2, then seen as an extremely faint feature to the SE in STEREO A COR2. The source is likely a set of loops/flux rope seen lifting off from on or just beyond the southeast limb (loop spans approx. S20-S25 and E110-E90) starting at about 2025-03-05T03:34Z in SDO AIA 171 imagery. Post-eruptive arcades appear several hours later and seemingly from the same location starting at about 2025-03-05T06:36Z in SDO AIA 171.
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Instruments
- SOHO: LASCO/C2
- STEREO A: SECCHI/COR2
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Analysis
- Latitude: -35.0000
- Longitude: -108.0000
- Half Width: 25.0000
- Speed: 705.0000
- Type: C
- Note: Measurement using the location of the source seen in UV imagery of the Earth-facing disk and the best fit between SOHO LASCO C2 and STEREO A COR2. The full leading edge and a small interior flux rope are both faintly visible in C2, but this CME is only tentatively seen as an extremely faint feature for two frames in STEREO A COR2, so there is some uncertainty with this measurement. The best fit parameters match well with the approximated source location if taking into account some southern deflection, though, which increases confidence a bit. Leading edge is too diffuse to track in SOHO LASCO C3.
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Instruments
2025-03-05T03:12:00-CME-001
- Catalog: M2M_CATALOG
- Start: Wed, 05 Mar 2025 03:12:00 +0000
- Source:
- Region:
- Note: A faint CME with a fuzzy front to the northeast, closely followed by a second, brighter, front, better seen in SOHO than in STEREO A COR2 coronagraph. There is a super faint wider front that might indicate a shock front. No source has been found for this CME, so it is likely far-sided.
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Instruments
- SOHO: LASCO/C2
- SOHO: LASCO/C3
- STEREO A: SECCHI/COR2
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Analysis
- Latitude: 14.0000
- Longitude: -121.0000
- Half Width: 24.0000
- Speed: 641.0000
- Type: C
- Note: A very approximate analysis based on the fit with two coronagraphs. The front is very unclear/fuzzy in STEREO A COR2 and no source has been found for this event, so this analysis is very uncertain.
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Instruments
2025-03-04T21:25:00-CME-001
- Catalog: M2M_CATALOG
- Start: Tue, 04 Mar 2025 21:25:00 +0000
- Source: N15W80
- Region:
- Note: This CME is visible to the west/northwest in SOHO LASCO C2/C3 imagery. It is not seen in STEREO A COR2 due to a data gap starting at 2025-03-04T19:38Z. The source is likely related to an eruption visible near the northwest limb (centered near ~N15W80) starting around 2025-03-04T21:00Z as seen in SDO AIA 131, 171, 193, 304 imagery.
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Instruments
- SOHO: LASCO/C2
- SOHO: LASCO/C3
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Analysis
- Latitude: 17.0000
- Longitude: 80.0000
- Half Width: 22.0000
- Speed: 1,089.0000
- Type: O
- Note: Measured longitude based on the source location. Due to a data gap in STEREO A COR2 imagery at the time of this event, a triangulated measurement was not available and the measured parameters may vary slightly as a result.
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Instruments
Latest Astronomy Alerts
Coronal Mass Ejection Alerts
Space Weather Alerts
K05A 2025-03-13 19:50:24.177
Space Weather Message Code: ALTK05 Serial Number: 1718 Issue Time: 2025 Mar 13 1950 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2025 Mar 13 1944 UTC Synoptic Period: 1800-2100… Read MoreGeo Magnetic Storm Alerts
3-Day Forecast - 2025 Mar 14 0030 UTC
:Product: 3-Day Forecast :Issued: 2025 Mar 14 0030 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # A. NOAA Geomagnetic Activity Observation and Forecast… Read MoreSolar Flare Alerts
2025-03-11T21:19:00-FLR-001
- Begins: 03/11/2025 21:19:00
- Ends: 03/11/2025 21:25:00
- Class: C9.6
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Revised: November 23rd, 2021
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Kevin C. Pirnie
22 Orlando St.
Feeding Hills, MA 01030
United States of America