WFPC2 homepage and user's guide Space Telescope science institute's documentation on the WFPC2 NASA article explaining how color is built from multiple filtered images Wide Field Camera 3 – NASA the WFPC2 at ESA/Hubble Images with the WFPC2 at ESA/Hubble
鷹星雲 三角座 包克球 部分的半人馬座ω 沙漏星雲 蛋星雲 WFPC2 首頁和使用指南 太空望遠鏡的科學儀器：WFPC2的文件 NASA article explaining how color is built from multiple filtered images Wide Field Camera 3 - NASA the WFPC2 at ESA/Hubble Images with the WFPC2 at ESA/Hubble