A better day than yesterday (Aug 24)

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gabrieli
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A better day than yesterday (Aug 24)

Post by gabrieli » Sat Aug 24, 2019 6:51 pm

Again, I was up early for some waning last quarter moon images and did as well with them as last day.
I set up my solar gear at about 10:30 am, further from my house than usual and got some better images
than last day using my LS152 instead of an AR102.The camera used for all the images below was a Blackfly S 3.2Mp at 1500 x 1500 pixels.

Lou
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Here's Copernicus on the terminator from today in the early morning taken with my c9.25 at 4600mm.
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Last edited by gabrieli on Sun Aug 25, 2019 9:20 am, edited 1 time in total.



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Re: A better day than yesterday (Aug 24)

Post by Starry Jack » Sat Aug 24, 2019 6:56 pm

Lou,
Great shots of moon and sun. Which solar rig did you use today? I shot the same with my quark doing another round of tests two hours ago.


Explore Scientific 152mm f6.5 achromat
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Quark Chromosphere f27 native, (f14 when focal reduced)
Mallincam .5x focal reducer (large format)
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Re: A better day than yesterday (Aug 24)

Post by gabrieli » Sat Aug 24, 2019 10:53 pm

Hi, Jack

The solar images from today(Aug 24) were taken with a nine year old LS152, double stacked with a Quark chromosphere. The double stacking really had little to do with getting these images as I was interested only in the proms, given the lack of activity on the disc but it does become useful when the sun is more active to bring more contrast into the surface features. It looks like the 2 main prom groups might stay around and so I'll be getting up early for the moon and getting some solar imaging done as well next day.

Lou



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Re: A better day than yesterday (Aug 24)

Post by Carbon60 » Sun Aug 25, 2019 6:21 am

Looking good, Lou. Another cracking moon image.

Stu.


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Re: A better day than yesterday (Aug 24)

Post by marktownley » Sun Aug 25, 2019 7:07 am

Top shots there Lou!


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http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

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Re: A better day than yesterday (Aug 24)

Post by MAURITS » Sun Aug 25, 2019 7:25 am

Great Lou.


Regards,
Maurits

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Re: A better day than yesterday (Aug 24)

Post by MapleRidge » Sun Aug 25, 2019 11:57 am

Very sharp images Lou, well done :bow

Brian


Brian Colville

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Re: A better day than yesterday (Aug 24)

Post by allhoest » Mon Aug 26, 2019 7:36 am

Very fine proms.
CS
Alex



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Re: A better day than yesterday (Aug 24)

Post by yltansg » Mon Aug 26, 2019 8:52 am

Great shots, Lou. Like the lunar one as well.

Alfred



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Re: A better day than yesterday (Aug 24)

Post by Montana » Tue Aug 27, 2019 9:38 am

My goodness! the proms are beautiful and absolutely smooth :hamster: :bow and what a Moon shot! are you sure you weren't there?

Alexandra



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Re: A better day than yesterday (Aug 24)

Post by gabrieli » Tue Aug 27, 2019 11:25 am

Thanks, everyone.

Alexandra:

Although I've been using Astra Image for a couple of years now, I've only ever used its most basic features
(L-R deconvolution, wavelets) until a few months ago. It also has some unique noise reduction abilities which are very necessary
if there is a lot of processing involved that introduces "grain". One of these noise reduction techniques I sometimes use is called "Adaptive Filter" that can be customized. It's not a take it or leave it filter like "Despeckle" in PS. This filter was necessary to smooth out some of these solar images.

The lunar images were possible because they were very early morning images before the seeing deteriorated. I also used a Baader long pass (>610nm) to calm the seeing. I've yet to play with my Ha filters for this purpose.

Lou



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