Labels:cat | door | ptyalith | 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 at 0.6 arcsec resolution WFPC-1 image (before servicing) WFPC-2 image (after servicing)
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