Right ascension - Wikipedia, the free encyclopedia
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Right ascension (abbrev. RA ; symbol α ) is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. The other coordina...
en.wikipedia.org/wiki/Right_ascension
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What is the maximum altitude of the Sun on the vernal equinox for people on the equator? What is the Sun's azimuth and right ascension at that time?
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www.astronomynotes.com/nakedeye/s6.htm
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(The north and south poles are +90 and -90, respectively) A reference point was needed from which to begin measuring longitude (Grenwich, England), and astronomers also had to decide on a point to begin measuring right ascension, so they looked to the path of the Sun. The earth is tilted 23.5 degrees in its orbit around...
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members.ncats.net/astro/reference/ra.html
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The Right Ascension and Declination of the Sun at the summer solstice are 6h and +23.5 degrees, respectively. At the autumnal equinox, the Sun is found at RA=12h and Dec=0 degrees At winter solstice, the Sun is at 18h and -23.5 degrees. At ...
http://www.faqs.org/qa/qa-5326.html
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Originally Posted by Helios That's not it. write then find set this to zero to find maximum then values for and will follow. I haven't reverse engineered your equation, normally I'd trust it but it seems more complicated than necessary. I u...
http://www.physicsforums.com/showthread.php?t=270575
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What does RAMS stand for? Definition of Right Ascension of the Mean Sun in the list of acronyms and abbreviations provided by the Free Online Dictionary and Thesaurus. ... Right Ascension of the Mean Sun; Right Ascension of the Medium Coeli; Right Ascension of the Meridian; Right Ascension Offset; Right assension;
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acronyms.thefreedictionary.com/Right+Ascension+of+the+M...
acronyms.thefreedictionary.com/Right+Ascension+of+the+Mean+Sun
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OBJECT = Sun (18.0H UT) DATE RA DEC JAN 1, 2009 18:49:51 -22:56:42 JAN 2, 2009 18:54:16 -22:51:13 JAN 3, 2009 18:58:40 -22:45:16 JAN 4, 2009 19: 3: 3 -22:38:54 JAN 5, 2009 19: 7:27 -22:32: 4 JAN 6, 2009 19:11:50 -22:24:46 JAN 7, 2009 19:16:12 -22:17: 4 JAN 8, 2009 19:20:34 -22: 8:54 JAN 9, 2009 19:24:55 -22: 0:18 JAN...
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faculty.physics.tamu.edu/krisciunas/ra_dec_sun.html
faculty.physics.tamu.edu/krisciunas/ra_dec_sun.html
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Introduction: As we view the night sky we find that there are objects in the sky: stars, planets, the sun and moon. The location of these objects should be determined so that any change in location can be noted or so that someone else can have ... 21) How many hours of right ascension should there be in a full circle?
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wind.cc.whecn.edu/~marquard/astronomy/coordinates.htm
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What is the angular altitude of the sun? What is the local time? What is the right ascension and declination of the sun? ... What is the right ascension and declination of the sun? If you toggle the grid back on, you will notice that this is the intersection of 0h of RA and 0 degrees of Dec and the ecliptic. This is the...
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wind.cc.whecn.edu/~marquard/astronomy/season_cyber.htm
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