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/YNAO/H-ALPHA/PT10M NASA DisplayData YNAO H-alpha Solar Images 2025-12-04T13:28:10Z 2020-07-07T19:48:38Z Only known prior ReleaseDate of the metadata 2025-12-04T13:28:10Z Added MetadataRightsList. Added ResourceType and NamingAuthority. Updated to 2.7.1. ZCB H-alpha solar imagery from Yunnan Astronomical Observatory (YNAO) of Chinese Academy of Sciences spase://SMWG/Person/Jun.Lin GeneralContact spase://VSPO/DisplayData/P_YNAO_HDR_HALPHA spase://VSPO/DisplayData/YNAO/H-ALPHA/PT10M spase://SMWG/Repository/YNAO Online Open YNAO site http://www1.ynao.ac.cn/en/index.html Virtual Solar Observatory https://www.virtualsolar.org/ FITS GZIP CALIBRATED spase://SMWG/Instrument/YNAO/YNAO ImageIntensity 2000-11-27T00:00:00 -P3D Data are current to within days. PT10M Optical Sun Sun.Photosphere