H-alpha and CaK activity 4 Sept

[sheri_barri]

I couldn't believe the hand controller when it showed the last time the scopes had been out was one month and one day previously:icon_scratch: The weather has been poor this summer but that was entirely disappointing.

On the plus side, the sun was in top form with several sunspot groups, filaments, prominences and plages areas. :)The imaging session stopped just before the flare on the 4 Sept. BBQ took priority!

Equipment: Lunt60 DS, PST CaK and Skynyx 2.1

Thank you for looking.

Sheri

[Black Knight]

Those are terrific images .

Sent from my iPad using Tapatalk

[markt]

Nice shots there Sheri!

[foundaplanet]

Very nice and yes what a miserable summer.!

[smerral]

Nice images yet again. Terrible summer. I agree, but I think we've been a little luckier in the far north - the sun does occasionally show his face!

[Montana]

Fantastic set of images!

It is a great pity about the weather recently, we had a great start then a miserable end, hopefully Autumn may get better (I remain optimistic).

Alexandra

[Polar Bear]

Great images and very inspiring. I am about to delve into Solar should the Sun ever reappear here in Lancashire....

Paul

[sheri_barri]

Thank you for the kind words.

Paul.... Enjoy! Solar is such a rewarding side of astronomy. Features which change on timescales we can comprehend, civilised viewing times and generally warmer... Still the same problems with the clouds though....

Kind regards,

Sheri

[ollypenrice]

Best yet, I'd say! Brilliant. The sun really has been a treat these last few weeks and we've seen a lot of it down here.

What did you use to get the close ups, Barlow, Powermate? And what power? It certainly works.

Olly

[sheri_barri]

Hi Olly,

Many thanks. The seeing was decent enough to try some magnification rather than the usual mush at higher power. The close-ups are taken with a Coronado CEMAX 2x barlow with the lens screwed direct onto the skynyx nosepiece. Seems to be the only combination to show the minimum amount of Newton's rings on these images. I've not had any luck with the Powermates (2.5x and 5x)on this set-up. They caused severe Newton ring artifacts.

Cheers,

Sheri

[ollypenrice]

Noted. Thanks Sheri.

Olly

[Carbon60]

Lovely images yet again Sheri and beautiful presentation of many solar features over the two wavelengths. I also agree with your comments on the rewards of solar astronomy!

Regards

Stu.