19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

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19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

Post by yltansg » Sun Jan 19, 2020 2:35 am

Even though the Northeast Monsoon brings many clouds daily during this period there are always gaps for solar imaging. This morning I tried out the C11+ARIES D-ERF+Quark combination. Before I go further, I must thank Alexandria for helping me linked up with a fine gentleman to make the holder for the D-ERF and Valery for various help to set up the quark in good working order.

The setup:
Image

Here is the first image of the morning at 8:30 am local time. I used a unbranded reducer with a 5mm spacer in front of a Basler acA1920-155um USB 3.0 camera. This image is full size, no cropping.
Image

The reducer and spacer:
Image

How do you find the image?

The seeing condition went down hill and more clouds filled the sky after that.

Alfred
Last edited by yltansg on Wed Jan 22, 2020 2:14 pm, edited 3 times in total.

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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by Carbon60 » Sun Jan 19, 2020 9:44 am

That setup holds lots of promise, Alfred. The conditions have to be exceptionally good for optimal results. Nice first-light image though with good contrast and detail that can only improve with better seeing. Glad the cell is working well as I designed it for the machining guy that Alexandra found.

Stu.
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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by marktownley » Sun Jan 19, 2020 10:53 am

Does have promise Alfred, but I think the seeing needs to be better to exploit its capabilities to the full.
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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by MapleRidge » Sun Jan 19, 2020 12:53 pm

Great first light image Alfred :bow

I hope that you can get more favourable conditions to make the most of the large aperture scope...as cycle 25 builds up there will be lots of targets to show its potential.

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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by ffellah » Sun Jan 19, 2020 1:11 pm

Definitely a good start, Alfred.

Franco

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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by yltansg » Sun Jan 19, 2020 1:40 pm

Thanks Stu, Mark, Brian and Franco.

Stu - I really like the design of the cell. Must thank you for that too.

Alfred

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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by yltansg » Sun Jan 19, 2020 1:43 pm

I found another image taken this morning. I thought it was very noisy and not presentable. Surprising it turned out ok.

Image

I only applied LR deconvolution and unsharp masking processing in ImPPG.

Alfred

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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by Valery » Sun Jan 19, 2020 1:58 pm

Hi Alfred,

Excellent results. To make them better you need the first is to make several adapters between the reducer and the camera C-mount thread. This will allow you to rise the S/R ratio, to get better sampling, larger FOV and sharper images. The worser the seeing, the longer adapter should be used and if necessary - crop the frame.

What I can specially note is details contrast.

Valery
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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by Montana » Sun Jan 19, 2020 4:47 pm

Well done Alfred :hamster: :bow I think you definitely need better seeing and a more active Sun :) I have my new PST mod to test, I am sure that will take a bit of working out as well :)

Alexandra

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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by yltansg » Mon Jan 20, 2020 12:50 pm

Valery wrote:
Sun Jan 19, 2020 1:58 pm
Hi Alfred,

Excellent results. To make them better you need the first is to make several adapters between the reducer and the camera C-mount thread. This will allow you to rise the S/R ratio, to get better sampling, larger FOV and sharper images. The worser the seeing, the longer adapter should be used and if necessary - crop the frame.

What I can specially note is details contrast.

Valery
Thanks for the tips, Valery. I found 2 pieces of 5mm spacers and 3 pieces of 10 mm spacers from my cupboard. I will try them out.

Image

Alfred

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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by yltansg » Mon Jan 20, 2020 12:59 pm

Montana wrote:
Sun Jan 19, 2020 4:47 pm
Well done Alfred :hamster: :bow I think you definitely need better seeing and a more active Sun :) I have my new PST mod to test, I am sure that will take a bit of working out as well :)

Alexandra
Thanks Alexandra. Press on and all the best!!

Alfred

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Re: 19Jan20 - First Light with C11+ARIES D-ERF+Quark

Post by yltansg » Mon Jan 20, 2020 1:15 pm

I used the same Daystar Quark with a TPO x0.5 reducer fitted to a 15mm spacer.

Image


Flats shows an increased FOV that requires cropping of the image
Image

Uncropped Single frame
Image

Two images using this reducer setup (please right click to see the full resolution image):

Cropped Image 1
Image

Cropped Image 2
Image

Which one do you like better? Cropped image 1 or 2?

Alfred

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (New Images Added)

Post by Valery » Mon Jan 20, 2020 8:30 pm

I like the cropped version better. It endeed a very nice start.

I'd make several (2-3) more spacers shorter than this one. Then your setup will be more flexible in choosing of a right scale according to seeing conditions and object of interest nature - prominences, dark filaments, ARs, etc. The fainter the prominence the longer the spacer you need to choose.

BTW The flat shows really excellent uniformity of this Quark especially taking in to accout it's very narrow bandwidth.

Valery.
Last edited by Valery on Wed Jan 22, 2020 3:55 am, edited 1 time in total.
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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (New Images Added)

Post by Astrophil » Wed Jan 22, 2020 3:00 am

I really like both cropped images, Alfred. So much detail to see, especially the first one. Nicely done.

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (New Images Added)

Post by yltansg » Wed Jan 22, 2020 5:40 am

Valery wrote:
Mon Jan 20, 2020 8:30 pm
I like the cropped version better. It endeed a very nice start.

I'd make several (2-3) more spacers shorter than this one. Then your setup will be more flexible in choosing of a right scale according to seeing conditions and object of interest nature - prominences, dark filaments, ARs, etc. The fainter the prominence the longer the spacer you need to choose.

BTW The flat shows really excellent uniformity of this Quark especially taking in to accout it's very narrow bandwidth.

Valery.
Thanks Valery for the tips.

All shops, including machine shops are taking a 2-week break for the lunar new year holiday. Will probably get the shorter spacers in mid Feb. In the meantime I will be using a brand new CAK Quark and a used Quark from Franco.

Alfred

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (New Images Added)

Post by yltansg » Wed Jan 22, 2020 5:43 am

Astrophil wrote:
Wed Jan 22, 2020 3:00 am
I really like both cropped images, Alfred. So much detail to see, especially the first one. Nicely done.

Phil
Thanks, Phil. The details are good. I will trying out other quarks to compare the results.

Alfred

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (New Images Added)

Post by salvo lauricella » Wed Jan 22, 2020 11:28 am

Great first light and setup!

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (New Images Added)

Post by yltansg » Wed Jan 22, 2020 2:12 pm

Thanks Salvo.

Alfred

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

Post by yltansg » Wed Jan 22, 2020 2:15 pm

An animated gif from some good stills. Please do a right click to see the fine details in the animation at full resolution,

Image

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

Post by ffellah » Thu Jan 23, 2020 1:08 am

A nice addition, Alfred ! Nicely done.

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

Post by Valery » Thu Jan 23, 2020 3:08 am

Vey nice animation, Alfred.

I believe no one ever does this at such a scale. Very detailed sun chromosphere boiling!


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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

Post by marktownley » Thu Jan 23, 2020 6:44 am

INteresting thread thanks Alfred.
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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

Post by Montana » Thu Jan 23, 2020 8:01 am

I do like the animation :hamster:

Alexandra

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

Post by eroel » Thu Jan 23, 2020 7:14 pm

Alfred:
Good imaging and experimentation.
Best regards,
Eric.

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Re: 19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

Post by MAURITS » Fri Jan 24, 2020 4:05 pm

Very nice to see Alfred.
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