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I took this image through the clubs new Quark Hydrogen Alpha (Ha) eyepiece last Friday mid afternoon (14/7/18), seeing was quite good. The combination of camera/eyepiece/telescope results in a small field of view, but one where the details of the solar chromosphere are revealed very nicely. The image was taken in monochrome and coloured to match the Ha colour..We are looking at an area where bundles of magnetic fields lines are concentrated.
We will have the eyepiece, and other solar viewing equipment in use at the Gibsons Art Gallery next Saturday for our meet and greet with Erwin. Come by and take a look at his images and the sun!
The new “Feather Touch” focuser that we have been after for some time was finally installed today. The focuser will provide a more precise control over the fine focusing of the telescope and will comfortably handle heavy eyepieces or even cameras. The focuser was purchased with part of the grant that we received from Rotary – thank you!.
Bruce has posted the slides from his March meeting presentation that includes the map of the moon with the “Explore the Universe Program” craters shown. The viewing times for the Venus and Saturn slides have been fixed.
Click here to open the presentation: 180309 Sky this Month_
This image of the Milky Way over Monument Valley was taken by Dale Boan, a friend of Scott’s. It’s a composite-photograph taken of the Milky Way and local geography in the predawn hours from the Arizona-Utah border’s Monument Valley. The details provided by Dale on how this great shot was taken are included below the image. Dale gave us permission to post this image. Thanks for passing this along Scott.
The final image is a composite of a single tracked sky and an un-tracked foreground. He used a Canon 7Dm2, ISO 800, f2.8, 3 minutes exposure using a Tokina 11-20mm f2.8 at 13mm. Tracking was with an iOptron skytracker. Dale tells us that the foreground image required more processing then the sky!
The Atacama Large Millimeter/submillimeter Array (ALMA) is the world’s most powerful observatory for studying the universe at the long-wavelength millimeter and submillimeter range of light. It’s designed to spot some of the most distant, ancient galaxies ever seen, and to probe the areas around young stars for planets in the process of forming.Our November meeting will feature a talk by Doug Scott of the physics department of UBC about ALMA and his work with it.
The meeting time is 7:30PM at the Sunshine Coast Arts Centre at 5714 Medusa St. in Sechelt. Hope to see you there.