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View Full Version here: : Large sunspot AR 2738 swinging into view!


Merlin66
09-04-2019, 10:31 AM
Now's a good time to dust of those solar telescopes/ filters
We have the largest sunspot visible for a while....definitely a must see!!
http://halpha.nso.edu/keep/hag/201904/20190408/20190408214030Ch.jpg

Saturnine
09-04-2019, 10:57 AM
Had been observing and imaging yesterday in bad seeing conditions and hopefully will get a chance today as it rotates into better view. From images on Spaceweather.com it seems to be active with minor C class flares, so will definitely be keeping an eye on the area.

Saturnine
09-04-2019, 03:30 PM
A quick stack of AR2738 from earlier this arvo, seeing was bad , again. Southerly change passed through right on schedule, as I set up. Nice prom on the western limb as well which I couldn't image because of the wind.

Merlin66
09-04-2019, 04:24 PM
Jeff,
Well done mate!
That's what a sunspot should look like, umbra and penumbra, with surrounding faculae....

Saturnine
09-04-2019, 10:51 PM
Thanks Ken, there are some stunning images over on Spaceweather.com User galleries that I would love to be able to emulate but need much better equipment.

UniPol
10-04-2019, 01:27 PM
Looks impressive even in my little PST today.