Dark Nebulae, Dark Lanes, And Dust Belts FÖR SLAKT O-III kan användas utmärkt som

O-III kan användas utmärkt som blå kanal för att skapa färgbilder med "Hubble-palletten"

Utvändiga mått (cm): 212x77x75

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Dark Nebulae, Dark Lanes, And Dust Belts FÖR SLAKT O-III kan användas utmärkt somAuthor: Antony Cooke Serves as the only resource for amateur observers who specifically set out to observe dark features in the deep sky Offers detailed descriptions of how to study dark objects, including recommendations for choosing commercial equipment Shows how practical observations of dark features can be made from suburban (light polluted) locations Contains numerous helpful individual object descriptions and illustrations Artikelattribut