Quote:
Originally Posted by N1
Hi Jeremy et al, here is a shot* taken from sea level in less-than perfect seeing through 70mm of aperture and a Herschel wedge in September 2017. White light. Granulation is visible, even if individual granules are not. They are still a photospheric (read: white light) feature, so a H alpha setup is not needed to see them. If anything, it probably makes them harder to see. What a H alpha setup will show, and a white light rig won't, is the chromospheric network, itself caused by supergranulation beneath it.
https://solarscience.msfc.nasa.gov/f....shtml#Network
*actually a short video with some stacking applied. |
All replies much appreciated and printed off for my folder