https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13953688Edit ImageSaveSaveEditCropCustom TextSir William Herschel and Caroline Herschel. Colour lithograph by A. Diethe, ca. 1896.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 848 x 1200 px | 300 dpiLarge JPEG 2345 x 3319 px | 300 dpiFree DownloadSir William Herschel and Caroline Herschel. Colour lithograph by A. Diethe, ca. 1896.More