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Optical pulsations of Crab pulsar (33 ms period). |
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The optical image of Chandra Galactic ultra deep field (1.5-deg
field). Mosaic, pseudocolors are from images in
g',r',i'. Full screen (JPG, 0.3Mb) For printing (PDF, 2.6Mb) |
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The central part of Coma galaxy cluster. Full screen (JPG, 0.6Мб) For printing (PS, 4.6Мб) |
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The optical image of distant galaxy cluster cl0230+1836 (z=0.80) from 400d X-ray cluster survey. |
