AAVSO HOME > observing > programs > solar > sunspot numbers > jul 01
 
 
 
Observing
Observing Programs
  Visual
  CCD
  Exoplanet Transit Search
  High Energy Network
  Photoelectric (PEP)
  Infrared Photometry
  Supernova Search
  Nova Search
  Eclipsing Binary
  RR Lyrae
  Sunspots and SID
  Observing Campaigns
Observing Aids
Submit Observations
Charts
 
Main sections of web
The AAVSO
Variable Stars
Observing
Access Data
Publications
Support
Education and Outreach
 
Pick a star

Create a light curve
Recent Observations
Find charts
VSX      
 

American Relative Sunspot Numbers for July 2001

DayMn. Raw Ras.d.       Mn. Rak  s.d.
1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31
100

112

101

100

83

57

56

77

98

93

103

122

145

131

140

147

159

155

160

139

130

137

130

113

102

77

81

76

58

68

73
4

3.7

4.2

3

4.6

2.3

3.4

3.7

3.9

4

4.3

3.8

4.8

5.4

5.4

4.9

7

6.5

7.1

7.3

5

5.2

4.9

5.5

5.1

3

2.4

3.5

2.6

2.2

2.8
  81

87

79

82

64

48

45

62

78

74

81

101

118

106

111

122

126

126

129

111

105

108

106

94

83

64

64

61

47

55

60
1.7

1.9

2

1.9

2.3

1.8

1.8

2

2.2

1.7

2.8

2.8

2.9

2.4

2

3.2

3.8

4.1

3.6

3.7

2.7

2.4

2.1

2.7

2.4

2.1

1.8

3

1.6

1.8

1.6
Means:107.2  86.5 
No. of Observations: 1300
No. of Observers: 68

Return to AAVSO Solar Committee page.

 
  search engine |  site map |  links |  contact us