Observing Information
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Simbad Astronomical Database Allows searching for data by an identifier, coordinates, various criteria etc. Also scientific papers, journals.
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Aladin Sky Atlas "Aladin is an interactive software sky atlas allowing the user to visualize digitized astronomical images, superimpose entries from astronomical catalogues or databases, and interactively access related data and information ..." (from Aladin webpage)
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Xephem Database search Versatile searching, filtering and sorting of the Xephem databases, as used for controlling the University of Louisville telescope .
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Xephem Database search As above but can also output database lines. A login is required .
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Stetson Photometric Standard Fields Standard star fields recommended for use in photometry.
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Object Visibility Charts Shows object altitude and moon distance over night. For Mt Kent's position use 151.855417 -27.797861 683 .
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Planetary Nebulae Observer's Home Page For info on observing Planetary Nebulae. For some southern Planetary Nebulae see this link
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JPL's Horizons for Solar System Bodies Web Interface for generating ephemerides for solar system bodies