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Related to right ascension: declination
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Denoting the longitude computed from the right ascension [alpha] = LST - h by [lambda]", we have
When right ascension and declination are given in books and atlases, you might see them accompanied with a year date such as 1950 or 2000.
Slightly offset the balance of your mount in right ascension so that it's lifting the weight on the east side of the meridian.