2.7.1 https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions spase://NASA/DisplayData/OBSPM/H-ALPHA NASA DisplayData OBSPM H-alpha Solar Images 2025-12-04T13:28:00Z 2020-07-07T19:48:34Z Only known prior ReleaseDate of the metadata 2025-12-04T13:28:00Z Added MetadataRightsList. Added ResourceType and NamingAuthority. Updated to 2.7.1. ZCB H-alpha solar imagery from OBservatoire Solaire de Paris a Meudon (OBSPM) spase://SMWG/Person/Jean.Aboudarham GeneralContact spase://VSPO/DisplayData/P_OBSPM_HDR_HALPHA spase://VSPO/DisplayData/OBSPM/H-ALPHA spase://SMWG/Repository/Meudon Online Open Paris Observatory site https://www.obspm.fr/ Virtual Solar Observatory https://www.virtualsolar.org/ FITS CALIBRATED spase://SMWG/Instrument/OBSPM/OBSPM ImageIntensity 2004-10-22T00:00:00 -P3D Data are current to within days. Optical Sun Sun.Photosphere