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The Minor Planet Observer
and
Palmer Divide Observatory

2007 Shoemaker Grant Recipient

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MPO Asteroid Viewing Guide - Daily Calendar

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The Calendar displays the times of Sun and Moon rise/set, the beginning and end of twilight (astronomical) and the positions of the Sun and Moon for the given time and date along with the events occurring on the current date. If the current date is set outside the active year of the program, e.g., 2008 when using MPO 2009, no data are displayed on the tabs.

Clicking the buttons in the Events section displays all data for the program year, regardless of the date setting.

Asteroids Tab

Displays those asteroids reaching opposition, brightest, or closest on the current date.

DSO Appulses Tab

Displays those asteroids coming close to a deep-sky object on the current date. The tab gives the position of the asteroid, its magnitude, the name, magnitude, and type of the DSO, as well as the separation in arcseconds, position angle, and sun/moon elongations.

PPM Appulses Tab

Displays those asteroids coming close to a star in the PPM (Positions and Proper Motions catalog) on the current date. The tab gives the position of the asteroid, its magnitude, the name and magnitude of the star , as well as the separation in arcseconds, position angle, and sun/moon elongations.

Mutual Appulses Tab

Displays those asteroids coming close to another asteroid on the current date. The tab gives the position of the brightest asteroid, its magnitude, the name and magnitude of the second asteroids, as well as the separation in arcseconds, position angle, and sun/moon elongations.

Planets Tab

Displays the position of the other eight planets for the current date and time. The position for Pluto is astrometric, meaning that it is corrected for light-time. The difference is not significant because of the slow motion of Pluto.

 

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This page was last updated on 01/19/11 05:14 -0700.
All contents copyright (c) 2005-2011, Brian D. Warner
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