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Posts posted by David Smith
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White light close ups are superb Dave
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Nice pair Dave, if you'll pardon the expression
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Wow, busy morning. Great set as usual Michael.
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Nicely done Dave. Weather not playing ball here 😢
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Love the "concentric prom ring" Ca-K / HA comparison.
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The weather certainly is a challenge. See you've not lost your touch though, great set.
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Great set of images!
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Cracking disk, well done.
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Nice clear blue skies this morning and no work for a few days. A little breezy but at least that helps the seeing a bit. A few clouds skipping around but I managed to grab 3 full disks and a big prom too. Actually starting to remember how I used to process these.
Finally the prom in both Ca-K and HA
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So lovely and flat 😍
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Super images!
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I see you've not lost your touch Steve, great images.
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Thanks Dave
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Hi All
Been away for a while and not done any solar imaging since last October 😧 hence the title. The Sun is too low to image until the end of February and then it rained all March! So I couldn't resist a look yesterday with wall-to-wall blue skies. Managed to grab 6 pane full disk images in 3 lights (WL, HA & Ca-K) plus a nice big prom in Hydrogen Alpha. Enjoy, hopefully more to come if the weather allows.
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Day 2 of solar today, quite a bit more cloud about today so multi-pane mosaics were definitely off the agenda. Also quite a strong breeze, not good with a scope that's best part of a meter long! Still managed some half-decent captures in white light and H alpha. Ca-K was a challenge as the seeing was very poor at 393.4nm.
First up a demonstration of why I did not shoot pano disks today
Conditions changed in the few seconds between shooting the left and right panes leaving one side markedly brighter than the other. Still, I figured there was enough detail to be worth sharing. If anyone has any tips on how to "equalise" the panes of a mosaic in post-processing I'd be very interested!
Had more success in H alpha although in hind sight I should have taken flats
Quite please with this one, the inverted colours really make the features stand out. Liked it so much I tried it on the other H alpha shot
Not the sharpest image ever but given that it was taken at 3000mm focal length on a windy day I am pretty happy with it.
Finally a couple of white lights below which were also shot at the same 3000mm focal length.
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24 minutes ago, symmetal said:
Great images David despite the bit missing. The first two images are both labelled Hydrogen alpha though. 😊
Alan
Well spotted!
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Rare purely because they don't work, see example below Apart from my apparent brain-lapse whilst capturing H alpha (captured 2 x top right segment and missed bottom right altogether) it was a nice session. Seeing was not bad at all and I managed to get setup so that the laptop and I were mostly in shade, which was nice
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Might just have to give one of these a try. At the moment I just use a hoody to cover my laptop whilst imaging, suspect this would be a big improvement.
On 25/04/2022 at 17:55, Paz said:I spent over an hour pretty much non stop under this hood observing, which is a very long time for me and I came out cool and relaxed as if I had just been watching TV whereas an hour of solar would normally leave me looking and feeling like a kebab.
know that feeling
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8 minutes ago, Steve Ward said:
The close ups are great mate , and the disc is circular ... what more can you ask on a day like this ... 🤣
You have a point there!
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Great set Steve. Curious, is your Tak the F/5.9 version?
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Lots of sunshine yesterday so got a good session in but held off processing in favour of making the most of the weather. Seeing was up and down as it was lunch time by the time I got out there, so these are not the sharpest set of images but neither are they the worst! Managed a full disk in all 3 lights although the H Alpha version is a little soft in the middle as I was struggling with the seeing by that point
Close ups were tough due to seeing although the white lights came out well and the Ca-K's not too shabby either
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Nothing but and more here so well done for finding the Sun
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Today's Sun : Monday 8 May 2023
in Imaging - Solar
Posted
Nicely done Dave. Nothing but rain here,