Labels:cat | door | earth | ptyalith | sky | sun | tor OCR: Comparison of ground-based observations of field of stars in 30 Doradus with Hubble Space Telescope images taken before and after replacement of the first Wide Field and Planetary Camera with WFPC-2 Ground image at0.6 aresec resolution WFPC-1 image (before servicing) WFPC-2 image (after servicing)
