Ha Full Disk 11th October

The sun finally showed itself this weekend and with some cycle 25 activity kicking in I decided it was worth getting the scope out for a look.  The sun is now getting much lower in the autumn sky as we head towards mid October and the seeing even at 50mm aperture was not on my side, still it was nice to see our star and the developing activity from this new solar cycle.

AR12773 in Ha - 27th September

Taken with the same setup as the full disk, but without the Baader solar telecompressor and using the IMX174 camera for better sampling.  This little active regions looks nice, but magnetic field strength must be less than 1500 gauss as there are no sunspots formed.

Ha Full Disk 27th September

Another month has passed before I was able to take a look at the sun, too many things going on!  However there was a spotless active region visible so I was keen to make the most of the autumn sunshine.  Taken with the Lunt 50 etalon double stacked with the Daystar Quark and running at ~f22.

Cycle 25 Plage and Filaments - 30th August

Cycle 25 is certainly starting to get underway on our star.  While the magnetic fields may not be strong enough to form sunspots in this image, the are signs of turbulence in the form of both brighter page and also the darker patches of filaments - cooler clouds of plasma held aloft by magnetic fields.  This image was taken with the Coronado SM90 double stacked with a Daystar Quark and Airylab 2.8x telecentric and a PGR Grasshopper 3 camera with IMX174 chip.

Cycle 25 Plage in CaK - 30th August

A close up of the region of cycle 25 plage taken with the 100mm Tal Refractor at f28, using the Airylab telecentric, homebrew CaK filter and the FLIR IMX174 camera.  The seeing was just on the limit for the aperture used and I had to take a lot of frames to get a usable image from them out of the other end.

CaK Full Disk 30th August

The sun is quiet at the moment apart from a region of cycle 25 plage in the northern hemisphere.  Scope used was 60mm aperture with f16 at both the filter and also the camera.

Proms! 30th August

Taken using the 118mm refractor at f28 using the Daystar Quark and the PGR FLIR IMX 174 camera.  There were lots of nice prominences visible on the sun on Sunday!