Alpha Per

JHK observations

No	Ref	J	H	K	JH	HK	JK
1805	86	15.81	14.96	14.64	0.85	0.32	1.17
1809	86	14.49	13.88	13.58	0.61	0.30	0.91
1811	86	15.44	14.71	14.32	0.73	0.39	1.12
1829	86	13.88	13.31	13.04	0.57	0.27	0.84
1832	86	14.06	13.43	13.19	0.63	0.24	0.87
1834	86	14.25	13.66	13.34	0.59	0.32	0.91
1839	86	14.35	13.76	13.45	0.59	0.31	0.90
1843	86	14.62	14.09	13.72	0.53	0.37	0.90
1844	86	14.33	13.69	13.39	0.64	0.30	0.94
1849	86	14.62	14.04	13.73	0.58	0.31	0.89
1853	86	14.61	14.00	13.65	0.61	0.35	0.96
1864	86	15.00	14.41	14.03	0.59	0.38	0.97
1865	86	15.02	14.33	14.15	0.69	0.18	0.87
1866	86	15.12	14.54	14.22	0.58	0.32	0.90
1869	86	14.88	14.26	13.88	0.62	0.38	1.00
1878	86	15.61	14.94	14.50	0.67	0.44	1.11
1913	86	14.03	13.34	13.05	0.69	0.29	0.98
1914	86	14.00	13.26	13.05	0.74	0.21	0.95
1915	86	14.48	13.82	13.62	0.66	0.20	0.86
1916	86	13.75	13.06	12.82	0.69	0.24	0.93
1917	86	14.57	13.91	13.63	0.66	0.28	0.94
1918	86	14.84	14.09	13.87	0.75	0.22	0.97
1919	86	14.80	14.09	13.83	0.71	0.26	0.97
1920	86	14.68	14.06	13.71	0.62	0.35	0.97
1921	86	14.75	14.07	13.77	0.68	0.30	0.98
1922	86	15.12	14.41	14.13	0.71	0.28	0.99
1923	86	15.20	14.66	14.28	0.54	0.38	0.92
1925	86	15.31	14.54	14.20	0.77	0.34	1.11
1925	86	15.61	14.79	14.56	0.82	0.23	1.05
1926	86	15.50	15.03	14.44	0.47	0.59	1.06
1927	86	15.61	15.15	14.61	0.46	0.54	1.00
1928	86	16.12	15.07	14.76	1.05	0.31	1.36
1929	86	15.75	15.00	14.77	0.75	0.23	0.98