Parallactic

The adjective parallactic stands for:

• the effects of apparent change in the position of an object when the observer shifts his own position, see parallax
• one of the angles of the astronomical triangle celestial pole – zenith – object, see parallactic angle
• the telescope mount, in which one axis is aligned parallel to the earth's axis, see parallactic mount .

This is a disambiguation page for differentiating between several terms identified with the same word.