Imagen de la Nebulosa de Oríon (M42) obtenida por Sergio teba y Julio Suitino desde la Pleta (Garraf), la noche del 23 al 24 de enero de 2016 (Nikon
D7200 a foco primario en un Celestron 925HD, ISO
1600, 25
segundos)
Se observa que M42 ocupa todo el campo de la imagen:
- El sensor CMOS APSC 24.2MP de la Nikon D7200 tiene un tamaño de 23.5 x 15.6 que acoplada al telescopio de distancia focal 2350 da una magnificación de x83 (equivalente a un ocular de 28 mm aproximadamente)
- El campo que cubre es de 34 x 23 arco minutos
- M42 tiene 85 x 60 arco minutos con lo que no la puedo reproducir entera.
Messier
Object
|
Angular
Size
(arc
min)
|
Messier
Object
|
Angular
Size
(arc
min)
|
Messier
Object
|
Angular
Size
(arc
min)
|
Messier
Object
|
Angular
Size
(arc
min)
|
Messier
Object
|
Angular
Size
(arc
min)
|
1
|
6
x 4
|
23
|
27.0
|
45
|
110.0
|
67
|
30.0
|
89
|
4.0
|
2
|
12.9
|
24
|
5.0
|
46
|
27.0
|
68
|
12.0
|
90
|
9.5
x 4.5
|
3
|
16.2
|
25
|
40.0
|
47
|
30.0
|
69
|
7.1
|
91
|
5.4
x 4.4
|
4
|
26.3
|
26
|
15.0
|
48
|
54.0
|
70
|
7.8
|
92
|
11.2
|
5
|
17.4
|
27
|
8.0
x 5.7
|
49
|
9
x 7.5
|
71
|
7.2
|
93
|
22.0
|
6
|
15.0
|
28
|
11.2
|
50
|
16.0
|
72
|
5.9
|
94
|
7
x 3
|
7
|
80.0
|
29
|
7.0
|
51
|
11
x 7
|
73
|
2.8
|
95
|
4.4
x 3.3
|
8
|
60
x 35
|
30
|
11.0
|
52
|
13.0
|
74
|
10.2
x 9.5
|
96
|
6
x 4
|
9
|
9.3
|
31
|
178
|
53
|
12.6
|
75
|
6.0
|
97
|
3.4
x 3.3
|
10
|
15.1
|
32
|
8
x 6
|
54
|
9.1
|
76
|
2.7
x 1.8
|
98
|
9.5
x 3.2
|
11
|
14.0
|
33
|
73
x 45
|
55
|
19.0
|
77
|
7
x 6
|
99
|
5.4
x 4.8
|
12
|
14.5
|
34
|
35.0
|
56
|
7.1
|
78
|
8
x 6
|
100
|
7
x 6
|
13
|
16.6
|
35
|
28.0
|
57
|
1.4
x 1.0
|
79
|
8.7
|
101
|
22.0
|
14
|
11.7
|
36
|
12.0
|
58
|
5.5
x 4.5
|
80
|
8.9
|
102
|
5.2
x 2.3
|
15
|
12.3
|
37
|
24.0
|
59
|
5
x 3.5
|
81
|
21
x 10
|
103
|
6.0
|
16
|
7.0
|
38
|
21.0
|
60
|
7
x 6
|
82
|
9
x 4
|
104
|
9
x 4
|
17
|
11.0
|
39
|
32.0
|
61
|
6
x 5.5
|
83
|
11
x 10
|
105
|
2.0
|
18
|
9.0
|
40
|
0.8
|
62
|
14.1
|
84
|
5.0
|
106
|
19
x 8
|
19
|
13.5
|
41
|
38.0
|
63
|
10
x 6
|
85
|
7.1
x 5.2
|
107
|
10.0
|
20
|
28.0
|
42
|
85
x 60
|
64
|
9.3
x 5.4
|
86
|
7.5
x 5.5
|
108
|
8
x 1
|
21
|
13.0
|
43
|
20
x 15
|
65
|
8
x 1.5
|
87
|
7.0
|
109
|
7
x 4
|
22
|
24.0
|
44
|
95.0
|
66
|
8
x 2.5
|
88
|
7
x 4
|
110
|
17
x 10
|
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