Table 4.

Firefly data—z and w coordinates (CST).¹

Point	z2	z3	w1	w3
1	−.3488	−.2464	−.4216	.0724
2	−.2822	.0315	−.1780	.2219
3	−.2453	−.5740	−.5800	−.2324
4	−.2379	−.1571	−.2800	.0572
5	−.2083	−.1273	−.2381	.0573
6	−.1344	−.0280	−.1156	.0753
7	−.1344	−.3060	−.3121	−.1213
8	−.1270	.1904	.0440	.2245
9	−.0235	−.1869	−.1495	−.1155
10	.0135	.3095	.2276	.2094
11	.0431	.1407	.1292	.0691
12	.1022	.0812	.1289	−.0148
13	.1983	−.1273	.0495	−.2302
14	.1983	.1904	.2741	−.0055
15	.2722	.3095	.4106	.0264
16	.4201	.1904	.4309	−.1624
17	.4940	.3095	.5674	−.1304
			λ1 = 1.6549	λ3 = .3451

¹$z_1=1/\sqrt{17}=.2425$ for all i

$w_2=1/\sqrt{17}=.2425$ for all i, λ₂ = 1.0000