La Maison de l'Astronomie
La meilleure sélection d'instruments depuis plus de 30 ans au Québec – Montréal
179.95 $
The Astronomik SII-CCD filter, is designed for CCD imaging of gas and planetary nebulae. Due to the narrow bandpass of the SII line, the filter provides maximal increase in contrast even under poor observing conditions. The 13 nm bandwidth allows us to achieve transmission as high as 97% -a value that is impossible to reach with filters of narrower bandwidth.
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The Astronomik SII-CCD filter, is designed for CCD imaging of gas and planetary nebulae. Due to the narrow bandpass of the SII line, the filter provides maximal increase in contrast even under poor observing conditions. The 13 nm bandwidth allows us to achieve transmission as high as 97% -a value that is impossible to reach with filters of narrower bandwidth.
Le Ciel du Mois par Claude Duplessis
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