SDSS9 color (g, r, i CDS color composition) survey collection
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下载链接：
https://b2find.eudat.eu/dataset/4bc0387e-0584-5c3d-adc7-464cc998c658
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资源简介：
The Sloan Digital Sky Survey is a multi-filter imaging and spectroscopic redshift survey using a dedicated 2.5-m wide-angle optical telescope at Apache Point Observatory in New...
