Sunspot Characteristics

Sunspot Characteristics

These criteria are valid determining
Zürich/McIntosh-classifications,
then Classification Values

**Criteria:**
SUNSPOT CHARACTER- ISTICS	Magnetic type	Length of group	Penumbra	Penumbra size	Distribution of spots
CV- number	Z/McI- class	Uni- polar	Bi- polar	<10 h.degs.	>10<15 h.degs.	>15 h.degs.	No penumbra	Rudi- mentary	Asym- metric	Sym- metric	P: <2,5 h.degs.	P: >2,5 h.degs.	Single	Open	Inter- mediate	Compact
1	Axx	X	.	.	.	.	X	.	.	.	.	.	X	.	.	.
2	Bxo	.	X	.	.	.	X	.	.	.	.	.	.	X	.	.
3	Bxi	.	X	.	.	.	X	.	.	.	.	.	.	.	X	.
4	Hrx	.	X	.	.	.	.	X	.	.	.	.	X	.	.	.
5	Cro	.	X	.	.	.	.	X	.	.	.	.	.	X	.	.
6	Cri	.	X	.	.	.	.	X	.	.	.	.	.	.	X	.
7	Hax	X	.	.	.	.	.	.	X	.	.	.	X	.	.	.
8	Cao	.	X	.	.	.	.	.	X	.	.	.	.	X	.	.
9	Cai	.	X	.	.	.	.	.	X	.	.	.	.	.	X	.
10	Hsx	X	.	.	.	.	.	.	.	X	.	.	X	.	.	.
11	Cso	.	X	.	.	.	.	.	.	X	.	.	.	X	.	.
12	Csi	.	X	.	.	.	.	.	.	X	.	.	.	.	X	.
13	Dro	.	X	X	.	.	.	X	.	.	.	.	.	X	.	.
14	Ero	.	X	.	X	.	.	X	.	.	.	.	.	X	.	.
15	Fro	.	X	.	.	X	.	X	.	.	.	.	.	X	.	.
16	Dri	.	X	X	.	.	.	X	.	.	.	.	.	.	X	.
17	Eri	.	X	.	X	.	.	X	.	.	.	.	.	.	X	.
18	Fri	.	X	.	.	X	.	X	.	.	.	.	.	.	X	.
19	Dao	.	X	X	.	.	.	.	X	.	X	.	.	X	.	.
20	Eao	.	X	.	X	.	.	.	X	.	X	.	.	X	.	.
21	Fao	.	X	.	.	X	.	.	X	.	X	.	.	X	.	.
22	Dai	.	X	X	.	.	.	.	X	.	X	.	.	.	X	.
23	Eai	.	X	.	X	.	.	.	X	.	X	.	.	.	X	.
24	Fai	.	X	.	.	X	.	.	X	.	X	.	.	.	X	.
25	Dso	.	X	X	.	.	.	.	.	X	X	.	.	X	.	.
26	Eso	.	X	.	X	.	.	.	.	X	X	.	.	X	.	.
27	Fso	.	X	.	.	X	.	.	.	X	X	.	.	X	.	.
28	Dsi	.	X	X	.	.	.	.	.	X	X	.	.	.	X	.
29	Esi	.	X	.	X	.	.	.	.	X	X	.	.	.	X	.
30	Fsi	.	X	.	.	X	.	.	.	X	X	.	.	.	X	.
31	Dac	.	X	X	.	.	.	.	X	.	X	.	.	.	.	X
32	Eac	.	X	.	X	.	.	.	X	.	X	.	.	.	.	X
33	Fac	.	X	.	.	X	.	.	X	.	X	.	.	.	.	X
34	Dsc	.	X	X	.	.	.	.	.	X	X	.	.	.	.	X
35	Esc	.	X	.	X	.	.	.	.	X	X	.	.	.	.	X
36	Fsc	.	X	.	.	X	.	.	.	X	X	.	.	.	.	X
37	Hkx	X	.	.	.	.	.	.	X	.	.	X	X	.	.	.
38	Cko	.	X	.	.	.	.	.	X	.	.	X	.	X	.	.
39	Cki	.	X	.	.	.	.	.	X	.	.	X	.	.	X	.
40	Hhx	X	.	.	.	.	.	.	.	X	.	X	X	.	.	.
41	Cho	.	X	.	.	.	.	.	.	X	.	X	.	X	.	.
42	Chi	.	X	.	.	.	.	.	.	X	.	X	.	.	X	.
43	Dko	.	X	X	.	.	.	.	X	.	.	X	.	X	.	.
44	Eko	.	X	.	X	.	.	.	X	.	.	X	.	X	.	.
45	Fko	.	X	.	.	X	.	.	X	.	.	X	.	X	.	.
46	Dki	.	X	X	.	.	.	.	X	.	.	X	.	.	X	.
47	Eki	.	X	.	X	.	.	.	X	.	.	X	.	.	X	.
48	Fki	.	X	.	.	X	.	.	X	.	.	X	.	.	X	.
49	Dho	.	X	X	.	.	.	.	.	X	.	X	.	X	.	.
50	Eho	.	X	.	X	.	.	.	.	X	.	X	.	X	.	.
51	Fho	.	X	.	.	X	.	.	.	X	.	X	.	X	.	.
52	Dhi	.	X	X	.	.	.	.	.	X	.	X	.	.	X	.
53	Ehi	.	X	.	X	.	.	.	.	X	.	X	.	.	X	.
54	Fhi	.	X	.	.	X	.	.	.	X	.	X	.	.	X	.
55	Dkc	.	X	X	.	.	.	.	X	.	.	X	.	.	.	X
56	Ekc	.	X	.	X	.	.	.	X	.	.	X	.	.	.	X
57	Fkc	.	X	.	.	X	.	.	X	.	.	X	.	.	.	X
58	Dhc	.	X	X	.	.	.	.	.	X	.	X	.	.	.	X
59	Ehc	.	X	.	X	.	.	.	.	X	.	X	.	.	.	X
60	Fhc	.	X	.	.	X	.	.	.	X	.	X	.	.	.	X

Criteria:

SUNSPOT
CHARACTER-
ISTICS

Magnetic
type

Length
of group

Penumbra

Penumbra size

Distribution of spots

CV-
number

Z/McI-
class

Uni-
polar

Bi-
polar

<10 h.degs.

>10<15 h.degs.

>15 h.degs.

No penumbra

Rudi-
mentary

Asym-
metric

Sym-
metric

P: <2,5
h.degs.

P: >2,5 h.degs.

Single

Open

Inter-
mediate

Compact

Axx

Bxo

Bxi

Hrx

Cro

Cri

Hax

Cao

Cai

Hsx

Cso

Csi

Dro

Ero

Fro

Dri

Eri

Fri

Dao

Eao

Fao

Dai

Eai

Fai

Dso

Eso

Fso

Dsi

Esi

Fsi

Dac

Eac

Fac

Dsc

Esc

Fsc

Hkx

Cko

Cki

Hhx

Cho

Chi

Dko

Eko

Fko

Dki

Eki

Fki

Dho

Eho

Fho

Dhi

Ehi

Fhi

Dkc

Ekc

Fkc

Dhc

Ehc

Fhc

Last Updated: 07 jun 2007

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