checked iota UMa

Compared data.

The raw string from the Washington Double Star (WDS) database:

08592+4803HJ 2477A,BC  1831 2010   78 349  88  13.5   1.9  3.1   9.2  A7IV      -444-226          +48 1707 NOD  085912.84+480232.5

Extracted:

full WDS identifier	08592+4803HJ 2477
components		A,BC
number of observations		78
observations	first	last
date	1831	2010
PA	349	88
Sep.	13.5	1.9

SkyTools 3 Pro (ST3P) says:

Object Information--
Talitha; HJ 2477; Indeterminate Orbit: P=817.9 yr, a=9.09"; (2014.0)

PA 205°
Sep 2.79"

Interactive Atlas--
PA 204.7
Sep 3"

The RASC 2014 Observer's Handbook (OH) says:

ι UMa A, BC	2014	2015
PA	93	96
Sep.	2.01	1.99

With an orbital period of 2084 years.

Conclusion:

The OH numbers closely match the WDS whereas ST3P is very different. Looks like the OH is correct.