When I was first made aware of a new solar filter material that was a flexible sheet that was safe for viewing the sun, I got a piece, mounted it in card stock, and then checked with my eye doctor who was skeptical about the safety factor of the material, and he took the best sun glasses they carried and used […]
Large aperture scope are often claimed not useful for high resolution solar imaging. However, I was convinced of the opposite given the number of times the images I take with Baader K line and Hershel are limited by the 150 mm aperture of my Takahashi TOA. The challenge of turning the Celestron 14 was several […]
Experiences with the Baader Planetarium AstroSolar® Safety Film Not involved into imaging the sun in white light the last few years, the upcoming Venus transit pushed me into a new trial. So I purchased a sheet of AstroSolar® Safety Film from Baader Planetarium ND 5.0, the type with higher density for visual use. The sheet […]
Die ersten Bilder vom Baader Planetarium Team (Martin Rietze, Michael Risch, Sebastian Voltmer, Johannes Baader), welches nach Ungarn gefahren ist um dieses Ereignis zu erleben. Sie arbeiteten in verschiedenen Wellenlängenbereichen mit verschiedenen Teleskopen und Teleobjektiven. Am Ende eroberten sie nicht nur schöne Bilder des Sonnenaufgangs mit dem dunklen, runden Schatten der Venus auf der Sonnenscheibe. […]