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SOLAR-1 CCOR-2 Daily Median Retrospective Data

Thernisien, Arnaud; Schmit, Donald; Dima, Gabriel; Salinas, Vicente; Wilson, Andrew (2026). SOLAR-1 CCOR-2 Daily Median Retrospective Data [Dataset]. NOAA National Centers for Environmental Information.

ResourceID
spase://NOAA/NumericalData/SOLAR/1/CCOR-2/Science/DailyMedian/P1D

Description

Science-quality retrospective daily median image data from the Compact Coronagraph-2 (CCOR-2) aboard the SOLAR-1 spacecraft. Each daily median image is generated from Science Level 1A white-light coronagraph images acquired during one UTC day. Nominally, 96 Level 1A images at approximately 15-minute cadence are combined to produce one daily median image. The images have dimensions of 2048 by 1920 pixels and are provided in FITS format in units of mean solar brightness (MSB). The nominal data cadence is one day.

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Details

Version:2.7.2

MetadataRightsList

Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions

Version:2.7.2

NumericalData

ResourceID
spase://NOAA/NumericalData/SOLAR/1/CCOR-2/Science/DailyMedian/P1D
NamingAuthority
NOAA
ResourceType
NumericalData
ResourceHeader
ResourceName
SOLAR-1 CCOR-2 Daily Median Retrospective Data
AlternateName
SOLAR-1 CCOR-2 Science Daily Median Data
ReleaseDate
2026-09-30 00:08:46Z
RevisionHistory
RevisionEvent
ReleaseDate
2026-09-30 00:08:46Z
Note
Initial metadata creation. SY
Description

Science-quality retrospective daily median image data from the Compact Coronagraph-2 (CCOR-2) aboard the SOLAR-1 spacecraft. Each daily median image is generated from Science Level 1A white-light coronagraph images acquired during one UTC day. Nominally, 96 Level 1A images at approximately 15-minute cadence are combined to produce one daily median image. The images have dimensions of 2048 by 1920 pixels and are provided in FITS format in units of mean solar brightness (MSB). The nominal data cadence is one day.

PublicationInfo
Title
NOAA Space Weather Follow-on Lagrange 1 (SOLAR-1) CCOR2 Daily Median Retrospective data in Daily Aggregations
Authors
Thernisien, Arnaud; Schmit, Donald; Dima, Gabriel; Salinas, Vicente; Wilson, Andrew
PublicationDate
2026-06-01 00:00:00Z
PublishedBy
NOAA National Centers for Environmental Information
Contacts
RolePersonStartDateStopDateNote
1.GeneralContactspase://SMWG/Person/NOAA.NCEI.CoronagraphNOAA NCEI contact for SOLAR-1 CCOR-2 Daily Median data and products.
InformationURL
Name
NOAA NCEI SOLAR-1 CCOR-2 Daily Median Retrospective Dataset Overview
URL
Description

NOAA NCEI dataset description, access information, citation, and metadata for the SOLAR-1 CCOR-2 daily median retrospective science data.

InformationURL
Name
SOLAR-1 CCOR-2 Data Documentation
URL
Description

NOAA documentation for SOLAR-1 CCOR-2 data products and processing.

AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
RightsList
Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
AccessURL
Name
NOAA NCEI Archived SOLAR-1 CCOR-2 Daily Median Retrospective Data
URL
Style
Listing
Description

Archived SOLAR-1 CCOR-2 Retrospective (Science) Daily Median FITS data at NOAA NCEI.

Format
FITS
Encoding
None
ProcessingLevel
Calibrated
ProviderProcessingLevel
Science Daily Median
InstrumentIDs
MeasurementType
ImageIntensity
TemporalDescription
TimeSpan
StartDate
2026-06-01 00:00:00Z
RelativeStopDate
-P1D
Note
Data are posted to the archive daily, typically on the following UTC day.
Cadence
P1D
SpectralRange
WhiteLight
ObservedRegion
Sun
ObservedRegion
Sun.Corona
SpatialCoverage
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
HPC
InputResourceID
Parameter #1
Name
FITS Extension #1 Daily Median White-Light Coronal Intensity Data Array
Description

CCOR-2 Science Daily Median white-light coronal intensity stored in FITS extension #1 as a 2048 x 1920 pixel compressed floating-point image array. Each image is generated by calculating the daily median from Science Level 1A images acquired during one UTC day, nominally using 96 Level 1A images. The image is expressed in mean solar brightness (MSB) and uses helioprojective solar coordinates with a zenithal polynomial (ZPN) projection. The plate scale is approximately 24.27 arcsec per pixel at the reference point. The WCS pointing metadata and spacecraft location are approximate and are inherited from the middle Level 1A file in the stack of input files.

Cadence
P1D
Units
Mean Solar Brightness
Wave
WaveType
Electromagnetic
WaveQuantity
Intensity
WavelengthRange
Low
469
High
755
Units
nm
Extension
HelioViewerID