…there are two aspects of the object:
The object as acting on the sign. That is called the real object
The object as represented in the sign, or the immediate object.
This passage comes from a portion of the Adirondack lectures that has been misplaced in the microfilm edition of Peirce's manuscripts
http://www.commens.org/dictionary/entry/quote-adirondack-summer-school-lectures-9