Solar activity April 17 2013

[Ciarlotto]

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:

http://postimg.org/image/876z94lwt/
http://postimg.org/image/jxkwqiep9/
http://postimg.org/image/w0q8e2prh/
http://postimg.org/image/8b0spdre5/

[gbeal]

Hi Nunzio
awesome shots, exceptional detail. Thank you for sharing.
Gary

[Solar]

Beautiful fine detail,:eyepop: you must be very happy with these images 10/10

[h0ughy]

awesome work

[Ciarlotto]

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.

[Matt Wastell]

Wow! Imagine what you will produce when the seeing is better! They are tops!

[asimov]

Lovely work Nunzio!

[Ciarlotto]

Thanks!

[Merlin66]

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 ;-)

[Ciarlotto]

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.

[Dennis]

Excellent work Ciarlotto, image #3 in particular is outstanding with the lovely detail in the granulation.

Cheers

Dennis.

[Ciarlotto]

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.