Hi,
in the last days I took some shoots of the Sun in order to capture the actual sunspots (1718-19-21-22-23-24); set up I used was the following:
Telescope: SW Maksutov 127/1500mm
Focal lenght: 1500mm (the third image was at 2250)
Mount: SW N-EQ5 dual motor drives
Camera: ZWO ASI 120MM
Filters: Baader Astrosolar D3.8, Baader Solar Continuum, ZWO IR/UV cut
Alignment and stacking by using Autostakkert, elaboration of stacked image by PS.
Here, you can find the results (April 17)in false colour:
Thank you everybody.
I was really surprised about the resolution achieved by Mak 127, too. I hope the seeing will be better the next days... yesterday it was about 6/10, no more.
Nunzio,
Well done!
Some excellent results.
Just shows what can be achieved with amateur sized telescopes and a bit of Baader Solar Film....Oh, and lots of good seeing and processing ;-)
Thank you, Ken!
and obviously, with a good camera ilike ASI 120mm ... In the past I used a Celestron Neximage ccd , but never I obtained so clear images.
Hi Dennis, thank you.
Generally, when I use the Mak 127 and ASI 120, I work at 1500mm focal lenght, because the little camera pixels' (3,75 micron) allow me reaching a good resolution near the ideal sampling with no oversampling. In image #3, however, I used the TS Barlow acro lens 2x directly screewed onto the nose of ASI: so, it works as 1,5x Barlow and the focal reaches 2250mm. I think it's a good coupling.