With the SkyWatcher Heliostar 76/630 H-alpha solar telescope, you can explore the spectacular activity of our central star, including prominences that cannot be observed with conventional telescopes.
The SkyWatcher Heliostar 76/630 H-alpha solar telescope is the first instrument in the renowned manufacturer’s range developed specifically for amateur astronomers to observe solar phenomena visible in the hydrogen-alpha wavelength range. It reveals prominences along the Sun’s limb, as well as surface and atmospheric details and active events such as flares that are invisible in the visible-light spectrum.
At the heart of the telescope is a filter with a bandwidth below 0.5 Å, optimized for the 656.28 nm H-alpha wavelength. A tuning ring allows fine adjustment of the filter, making it easy to emphasize either surface detail or prominences. The blocking filter has a diameter of 11.5 mm, allowing the full solar disc to fit within the field of view, which also makes the instrument well suited for imaging.
This 76 mm solar telescope has a focal length of 630 mm and an F/8.3 focal ratio. Focusing is handled by a 2" dual-speed Crayford focuser. Locating the Sun is quick and easy with the built-in solar finder integrated into the handle connecting the tube rings.
Thanks to its carefully finished optical tube and low weight of just 3.8 kg, it is easy to transport, and even lighter-duty travel mounts are sufficient for use.
