**Table 2:** Number of stars observed (N) and mean internal errors ( $\sigma$ ) as a function of apparent visual magnitude.
V range	V		(b-y)		m₁		c₁		H $_{\beta }$
	N	$\sigma$	N	$\sigma$	N	$\sigma$	N	$\sigma$	N	$\sigma$
8-9	3	0.029	3	0.028	3	0.029	2	0.004
9-10	8	0.008	7	0.007	6	0.008	7	0.007	2	0.001
10-11	22	0.003	22	0.002	22	0.003	22	0.005	10	0.009
11-12	28	0.004	28	0.022	26	0.003	26	0.005	14	0.016
12-13	114	0.004	114	0.003	114	0.004	114	0.005	56	0.009
13-14	199	0.003	199	0.003	198	0.004	197	0.006	75	0.015
14-15	240	0.020	239	0.005	238	0.006	237	0.009	63	0.016
15-16	277	0.007	277	0.010	275	0.011	269	0.018	57	0.019
16-17	299	0.011	299	0.015	272	0.021	233	0.031	10	0.016
17-18	307	0.021	306	0.029	245	0.041	109	0.043	1	0.033
18-19	259	0.040	259	0.058	130	0.073	46	0.059
19-20	75	0.093	75	0.125	18	0.141	12	0.106
Total	1831		1828		1547		1274		288

Source LaTeX | All tables | In the text