Sunspot AR1041: 21st-23rd Jan

[Dennis]

Hello,

Here are 3 images of AR1041 taken over 3 days from Brisbane. We can see the good, the bad and the plain old ugly as determined by the seeing conditions prevailing at the time of capture. The 22nd Jan image is made up of 3 hand selected frames from 1250, manually assembled in CS4 hence the low fidelity.

Thanks for looking and don’t forget…slip, slap and slop when out under the Sun!

Dennis

[Matt Wastell (Matt)]

Nice to see the region as is turns into view.
Yes, it has been hot out there!

[Dennis]

Good luck tomorrow Matt, with the 8” and white light filter!

Cheers

Dennis

[iceman (Mike)]

Lovely images Dennis - the third one is really nice.

Looks like you had to reduce focal length due to the seeing conditions?

[Dennis]

Originally Posted by iceman

Lovely images Dennis - the third one is really nice.

Looks like you had to reduce focal length due to the seeing conditions?

Thanks Mike but no, I didn’t remove the x1.6 Extender (3450mm) although given the conditions maybe I should have done so, reverting to prime focus (2160mm)…but I was too lazy!

The smaller image scale is due to re-sampling from the native DMK31 1024x768 down to 800x600 to subdue the gritty look at full res. It has made the image slightly better and it doesn’t look quite as “thin” and “noisy” as the original size.

I’m out again this morning (a wonderfully understanding wife and no kids, LOL!) but the conditions are quite poor at the moment, dominated by high frequency jitter.

Cheers

Dennis

[Dennis]

Hmm, interspersed with the high frequency jitters, I have been recently noticing some moments of quite excellent seeing, lasting perhaps a second or two, where the distortions have a longer wavelength and smaller amplitude. A couple of my AVI’s have a slightly larger file size as a consequence, so fingers crossed for the “to come” processing marathon!

Cheers

Dennis

[Quark (Trevor)]

Very nice work Dennis, regardless of the seeing.

Really like the view, isn't it great that more wide spread activity seems to be happening now. I reckon old Sol is waking up.

Regards
Trevor