半天球観測 : 視直径計測定規

視直径計測定規

作成: 2022-12-13
更新: 2022-12-13

\[ d = 2\ r\ tan \bigl( \frac{ \theta }{ 2 } \bigr) \\ \]

ｒ＝ 55 cm

θ(度)	ｄ(cm)
1	1
2	1.9
3	2.9
4	3.8
5	4.8
6	5.8
7	6.7
8	7.7
9	8.7
10	9.6
11	10.6
12	11.6
13	12.5
14	13.5
15	14.5
16	15.5
17	16.4
18	17.4
19	18.4
20	19.4
21	20.4
22	21.4
23	22.4
24	23.4
25	24.4
26	25.4
27	26.4
28	27.4
29	28.4
30	29.5
31	30.5
32	31.5
33	32.6
34	33.6
35	34.7
36	35.7
37	36.8
38	37.9
39	39

ｒ＝ 56 cm

θ(度)	ｄ(cm)
1	1
2	2
3	2.9
4	3.9
5	4.9
6	5.9
7	6.9
8	7.8
9	8.8
10	9.8
11	10.8
12	11.8
13	12.8
14	13.8
15	14.7
16	15.7
17	16.7
18	17.7
19	18.7
20	19.7
21	20.8
22	21.8
23	22.8
24	23.8
25	24.8
26	25.9
27	26.9
28	27.9
29	29
30	30
31	31.1
32	32.1
33	33.2
34	34.2
35	35.3
36	36.4
37	37.5
38	38.6
39	39.7

ｒ＝ 57 cm

θ(度)	ｄ(cm)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18.1
19	19.1
20	20.1
21	21.1
22	22.2
23	23.2
24	24.2
25	25.3
26	26.3
27	27.4
28	28.4
29	29.5
30	30.5
31	31.6
32	32.7
33	33.8
34	34.9
35	35.9
36	37
37	38.1
38	39.3
39	40.4

ｒ＝ 58 cm

θ(度)	ｄ(cm)
1	1
2	2
3	3
4	4.1
5	5.1
6	6.1
7	7.1
8	8.1
9	9.1
10	10.1
11	11.2
12	12.2
13	13.2
14	14.2
15	15.3
16	16.3
17	17.3
18	18.4
19	19.4
20	20.5
21	21.5
22	22.5
23	23.6
24	24.7
25	25.7
26	26.8
27	27.8
28	28.9
29	30
30	31.1
31	32.2
32	33.3
33	34.4
34	35.5
35	36.6
36	37.7
37	38.8
38	39.9
39	41.1

ｒ＝ 59 cm

θ(度)	ｄ(cm)
1	1
2	2.1
3	3.1
4	4.1
5	5.2
6	6.2
7	7.2
8	8.3
9	9.3
10	10.3
11	11.4
12	12.4
13	13.4
14	14.5
15	15.5
16	16.6
17	17.6
18	18.7
19	19.7
20	20.8
21	21.9
22	22.9
23	24
24	25.1
25	26.2
26	27.2
27	28.3
28	29.4
29	30.5
30	31.6
31	32.7
32	33.8
33	35
34	36.1
35	37.2
36	38.3
37	39.5
38	40.6
39	41.8

ｒ＝ 60 cm

θ(度)	ｄ(cm)
1	1
2	2.1
3	3.1
4	4.2
5	5.2
6	6.3
7	7.3
8	8.4
9	9.4
10	10.5
11	11.6
12	12.6
13	13.7
14	14.7
15	15.8
16	16.9
17	17.9
18	19
19	20.1
20	21.2
21	22.2
22	23.3
23	24.4
24	25.5
25	26.6
26	27.7
27	28.8
28	29.9
29	31
30	32.2
31	33.3
32	34.4
33	35.5
34	36.7
35	37.8
36	39
37	40.2
38	41.3
39	42.5

ｒ＝ 61 cm

θ(度)	ｄ(cm)
1	1.1
2	2.1
3	3.2
4	4.3
5	5.3
6	6.4
7	7.5
8	8.5
9	9.6
10	10.7
11	11.7
12	12.8
13	13.9
14	15
15	16.1
16	17.1
17	18.2
18	19.3
19	20.4
20	21.5
21	22.6
22	23.7
23	24.8
24	25.9
25	27
26	28.2
27	29.3
28	30.4
29	31.6
30	32.7
31	33.8
32	35
33	36.1
34	37.3
35	38.5
36	39.6
37	40.8
38	42
39	43.2

ｒ＝ 62 cm

θ(度)	ｄ(cm)
1	1.1
2	2.2
3	3.2
4	4.3
5	5.4
6	6.5
7	7.6
8	8.7
9	9.8
10	10.8
11	11.9
12	13
13	14.1
14	15.2
15	16.3
16	17.4
17	18.5
18	19.6
19	20.8
20	21.9
21	23
22	24.1
23	25.2
24	26.4
25	27.5
26	28.6
27	29.8
28	30.9
29	32.1
30	33.2
31	34.4
32	35.6
33	36.7
34	37.9
35	39.1
36	40.3
37	41.5
38	42.7
39	43.9

ｒ＝ 63 cm

θ(度)	ｄ(cm)
1	1.1
2	2.2
3	3.3
4	4.4
5	5.5
6	6.6
7	7.7
8	8.8
9	9.9
10	11
11	12.1
12	13.2
13	14.4
14	15.5
15	16.6
16	17.7
17	18.8
18	20
19	21.1
20	22.2
21	23.4
22	24.5
23	25.6
24	26.8
25	27.9
26	29.1
27	30.2
28	31.4
29	32.6
30	33.8
31	34.9
32	36.1
33	37.3
34	38.5
35	39.7
36	40.9
37	42.2
38	43.4
39	44.6

ｒ＝ 64 cm

θ(度)	ｄ(cm)
1	1.1
2	2.2
3	3.4
4	4.5
5	5.6
6	6.7
7	7.8
8	9
9	10.1
10	11.2
11	12.3
12	13.5
13	14.6
14	15.7
15	16.9
16	18
17	19.1
18	20.3
19	21.4
20	22.6
21	23.7
22	24.9
23	26
24	27.2
25	28.4
26	29.6
27	30.7
28	31.9
29	33.1
30	34.3
31	35.5
32	36.7
33	37.9
34	39.1
35	40.4
36	41.6
37	42.8
38	44.1
39	45.3

ｒ＝ 65 cm

θ(度)	ｄ(cm)
1	1.1
2	2.3
3	3.4
4	4.5
5	5.7
6	6.8
7	8
8	9.1
9	10.2
10	11.4
11	12.5
12	13.7
13	14.8
14	16
15	17.1
16	18.3
17	19.4
18	20.6
19	21.8
20	22.9
21	24.1
22	25.3
23	26.4
24	27.6
25	28.8
26	30
27	31.2
28	32.4
29	33.6
30	34.8
31	36.1
32	37.3
33	38.5
34	39.7
35	41
36	42.2
37	43.5
38	44.8
39	46

ｒ＝ 66 cm

θ(度)	ｄ(cm)
1	1.2
2	2.3
3	3.5
4	4.6
5	5.8
6	6.9
7	8.1
8	9.2
9	10.4
10	11.5
11	12.7
12	13.9
13	15
14	16.2
15	17.4
16	18.6
17	19.7
18	20.9
19	22.1
20	23.3
21	24.5
22	25.7
23	26.9
24	28.1
25	29.3
26	30.5
27	31.7
28	32.9
29	34.1
30	35.4
31	36.6
32	37.9
33	39.1
34	40.4
35	41.6
36	42.9
37	44.2
38	45.5
39	46.7

ｒ＝ 67 cm

θ(度)	ｄ(cm)
1	1.2
2	2.3
3	3.5
4	4.7
5	5.9
6	7
7	8.2
8	9.4
9	10.5
10	11.7
11	12.9
12	14.1
13	15.3
14	16.5
15	17.6
16	18.8
17	20
18	21.2
19	22.4
20	23.6
21	24.8
22	26
23	27.3
24	28.5
25	29.7
26	30.9
27	32.2
28	33.4
29	34.7
30	35.9
31	37.2
32	38.4
33	39.7
34	41
35	42.3
36	43.5
37	44.8
38	46.1
39	47.5

ｒ＝ 68 cm

θ(度)	ｄ(cm)
1	1.2
2	2.4
3	3.6
4	4.7
5	5.9
6	7.1
7	8.3
8	9.5
9	10.7
10	11.9
11	13.1
12	14.3
13	15.5
14	16.7
15	17.9
16	19.1
17	20.3
18	21.5
19	22.8
20	24
21	25.2
22	26.4
23	27.7
24	28.9
25	30.2
26	31.4
27	32.7
28	33.9
29	35.2
30	36.4
31	37.7
32	39
33	40.3
34	41.6
35	42.9
36	44.2
37	45.5
38	46.8
39	48.2

ｒ＝ 69 cm

θ(度)	ｄ(cm)
1	1.2
2	2.4
3	3.6
4	4.8
5	6
6	7.2
7	8.4
8	9.6
9	10.9
10	12.1
11	13.3
12	14.5
13	15.7
14	16.9
15	18.2
16	19.4
17	20.6
18	21.9
19	23.1
20	24.3
21	25.6
22	26.8
23	28.1
24	29.3
25	30.6
26	31.9
27	33.1
28	34.4
29	35.7
30	37
31	38.3
32	39.6
33	40.9
34	42.2
35	43.5
36	44.8
37	46.2
38	47.5
39	48.9

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