Home page
Home page
Spectrography
Reminders
The solar spectrum
Sunspots spectra
Atlas of solar spectrum
Spectroheliography
Introduction
What can we observe with SHG ?
Images processing
Realizations
Theoretical Elements
SHG with a 115/900
SHG with 90/1300 refractor (p.1
)
SHG with 90/1300 refractor (p.2
)
Newton 192/950
Dobson 80/400 'Babydob'
Misc. electronic layouts
Misc. optical layouts
Solar archives
Year 2008
Year 2007
Year 2006
Year 2005
Year 2004
Year 2003
Year 2002
Year 2001
Year 2000
Year 1999
Year 1998
Videos
Synoptic maps
Maunder's Diagram
Cycle 23 in images
Venus Transit 2004
Articles - Notes
Eclipse - 1999, n°16
L'astronomie - may 2000
L'astronomie - apr. 2001
L'astronomie - jun 2002
Solar differential rotation
Communications
Is 0656 the return of 0649 ?
Astrosolar D5 testing
Transmittance of some filters
Links
Spectrography
Spectroheliography
Images from amateurs
Pro images databases
About the Sun
Some suppliers
Photos album
Open album
Guestbook
Read book
write a message
Synoptic maps
Carrington rotations (sunspots and filaments)
Year 1998
1935
1936
1937
1938
1939
1940
Year 1999
1949
1950
1951
1952
1953
1954
Year 2000
1961
1962
1963
1964
1965
1966
1967
Year 2001
1974
1975
1976
1977
1978
1979
1980
1981
Year 2002
1988
1989
1990
1991
1992
1993
1994
Year 2003
2001
2002
2003
2004
2005
2006
2007
2008
Year 2004
2014
2015
2016
2017
2018
2019
2020
2021
Year 2005
2028
2029
2030
2031
2032
2033
2034
Year 2006
2042
2043
2044
2045
2046
2047
2048
Year 2007
2055
2056
2057
2058
2059
2060