Solar imaging 10" newt - worth the hassle?

[Joseki]

Hi, I've seen some fantastic images of sunspots, very detailed stuff.  The images I've found seem to all use either a 6" frac or a 10" newt.  For example, the image shown on this web page:

http://realneo.us/content/sunspot-1261-hurls-cme-toward-earth-directed-blast-erupted-august-2nd-hit-earth-august-5-126

I've just finished fitting together my 10" f6.4 newt in it's final configuration (sitting on my AZEQ6) and depending on how the mirrors perform on lunar I could easily get/make a full aperture solar filter.  I've already got baader continuum & uv/ir filters.

However, I know people aren't daft and if it were easy to get such stunning results with a 10" newt I guess that's where people would be.  On Gina's thread which I don't want to derail http://stargazerslounge.com/topic/219162-how-to-do-solar-imaging/  Merlin66 suggested 100-120mm (free aperture) is the useful upper limit for the UK so it made me wonder if these stunning examples are so very rare cases I'd never see the benefit of the extra mm. and that in the UK you'd never get that.

I've also got a lunt wedge, so I could get a 100-120mm longer focal length frac (or 150mm?  a lyra optics 150mm f5.9 looks nice) sometime when funds permit (but could cost around the same as a manufactured 250mm solar filter) but I would be wondering if I'd get better results with the newt.  In the solar imaging I've been following folk seem to use a 100-120 frac (e.g. tal100) for the high res stuff - so is this the most sensible option? 

Any thoughts & comments would be most welcome 

[NadrejN]

Hi

Not sure if this topic is still interesting, but I am trying to do sun imaging with 12" newt scope.

Latest imaging session:

http://stargazerslounge.com/topic/220402-6th-july-2014-sun-white-light-full-disc-close-ups/

I do not own a retractor scope, so cannot say how it compares.

But it should at least be friendlier to carry/set-up .

Best regards

Andrej

[Joseki]

Thanks, yes still interesting though not something I can pursue for a while (sold my mount and camera) but your results look like it would be worth the effort.

[Stu]

An f10 or 11, 100mm achro would do very nicely with either film or Herschel wedge. TAL or Lyra

Stuff

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