By Philip Pugh
For this ground-breaking ebook, Philip Pugh has assembled a staff of participants who convey simply how a lot sun statement paintings may be complete with Coronado telescopes, and clarify tips on how to get the easiest from those very good tools. The e-book exhibits that sunlight prominences, filaments, flares, sunspots, plage and lively areas are all obvious and will be imaged to provide magnificent sun photographs.
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Extra resources for Observing the sun with Coronado telescopes
Example text
6). 5. Mounting the PST on a camera tripod, sequence 1. 6. Mounting the PST on a camera tripod, sequence 2. 7 shows how it should look when complete. It is preferable for you to align the retaining block to be parallel with the telescope tube. 3. Place the retaining block (attached to the PST) back in the tripod and secure. 8). You are now ready for the next step, which is finding and viewing the Sun. See “Finding the Sun” section for details. 7. Mounting the PST on a camera tripod, sequence 3.
You may also need to buy an adaptor plate (usually about $100–$200) if the filter does not fit your telescope exactly. As several keen amateur astronomers, including myself, have an 80-mm refractor, it is a shame that Coronado does not make filters in this size but Coronado has a good ear to the marketplace, so I think it is only a matter of time. The advantages of a separate filter system are the following: • Can be used with more than one telescope of similar aperture, for example, a Meade ETX90 or long focal length 90-mm refractor • Can be coupled with a high-quality “nighttime” telescope, such as an APO refractor or Maksutov reflector • When traveling, it is not necessary to carry both a hydrogen alpha telescope and a nighttime telescope.
10). It is preferable to align the PST to be in parallel with the host telescope tube, as this makes pointing and control easier. 11). You are now ready for the next step, which is finding and viewing the Sun. See “Finding the Sun” section for details. Using a Mounting Bracket for the PST As far as I know at the time of writing, there are no purpose-built mounting brackets available commercially, at least not in the United Kingdom. Whilst an EQ1 mount is OK for simple photography and visual viewing, you may want to use the greater stability and features of another mount, including those with electronic finding and tracking capabilities.