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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'
Ultra-simple solar spectrum
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"PUSH TO" DIY system
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Focuser 3D pour Vixen 150/750
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Eclipse - 1999, n°16
L'astronomie - may 2000
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Solar differential rotation
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Is 0656 the return of 0649 ?
Astrosolar D5 testing
Transmittance of some filters
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