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Comprehensive Digitized Sky Surveys: Exploring the Universe with Enhanced Imaging Techniques

This overview highlights the advancements in digitized photographic plates from the Sloan Digital Sky Survey (SDSS) and Deep Lens Survey (DLS). Covering a quarter of the Moon's diameter and the full sky, SDSS has completed 10% of the sky, while DLS covers 20 square degrees. The newly introduced LSST boasts double the depth and angular resolution compared to DLS, providing six colors and capturing the entire visible sky. With 1000 times more area and improved techniques, these surveys promise to eliminate artifacts like blooming and diffraction spikes for a clearer view of the cosmos.

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Comprehensive Digitized Sky Surveys: Exploring the Universe with Enhanced Imaging Techniques

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  1. DSS: digitized photographic plates One quarter the diameter of the moon Full sky available

  2. Sloan Digital Sky Survey 10% of sky done

  3. Deep Lens Survey 20 square degrees

  4. LSST

  5. LSST compared with DLS Factor of 2 deeper Factor of 2 better angular resolution 6 colors Entire visible sky (full hemisphere) 1000 times the area No artifacts (blooming, diffraction spikes)

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