02 September 2022 AR3092 - AR3089

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MAURITS
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02 September 2022 AR3092 - AR3089

Post by MAURITS »

I started this morning with the ASI290MM camera and a 0.5x reducer.
The seeing was so bad that the whole picture bounced up and down, left and right...
There was also some haze high in the sky.

These recordings were really useless.

Than I used the ASI174MM camera with 0.5x reducer and it was a bit better, but really not okay ...

TOA 150mm with DERF.
Solar Spectrum 0.7A / DS.
INX174MM - 0.5x reducer.
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Last edited by MAURITS on Sat Sep 03, 2022 3:20 pm, edited 6 times in total.


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Re: 02 September 2022 AR3092 - AR3089

Post by rigel123 »

They still look pretty good Maurits!


Warren

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Re: 02 September 2022 AR3092 - AR3089

Post by Solbrillante »

Impressive captures Maurits. Well done. Thanks for posting.

Gerard


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Re: 02 September 2022 AR3092 - AR3089

Post by Rusted »

We must have shared the same poor seeing conditions.

The difference was that you produced some excellent images. :bow

While most of mine looked like finger paintings. :D


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Re: 02 September 2022 AR3092 - AR3089

Post by MAURITS »

Rusted wrote: Sat Sep 03, 2022 4:57 am We must have shared the same poor seeing conditions.
The time that I have a good seeing is maybe a handful days in a whole year.
All the rest is very challenging...


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Re: 02 September 2022 AR3092 - AR3089

Post by Rusted »

MAURITS wrote: Sat Sep 03, 2022 7:16 am
The time that I have a good seeing is maybe a handful days in a whole year.
All the rest is very challenging...
I keep trying to analyse whether I have poor local seeing or it is more atmospheric. Or mixed.
There is an easterly breeze today. Which should be scavenging any excess warmth from the dome.
It seems to be working today but there is also a shed roof to the east right beside the dome.
So the wind could be blowing away any convection currents from the shed roof.
The only true way to test this might be to capture well away from the fixed location but using the same instrument.
If the seeing improves then it must be the local conditions which are poor. [?]


http://fullerscopes.blogspot.dk/

H-alpha: Baader 160mm D-ERF, iStar 150/10 H-alpha objective, 2" Baader 35nm H-a, 2" Beloptik KG3,
Lunt 60MT etalon, Lunt B1200S2 BF, Assorted T-S GPCs or 2x "Shorty" Barlow, ZWO ASI174.
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Re: 02 September 2022 AR3092 - AR3089

Post by MAURITS »

Thanks Warren, Gerard and Chris.


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Re: 02 September 2022 AR3092 - AR3089

Post by Carbon60 »

Looking great there, Maurits. Impressive results under challenging circumstances.

Stu.


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Re: 02 September 2022 AR3092 - AR3089

Post by MAURITS »

Thanks Stu.


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Re: 02 September 2022 AR3092 - AR3089

Post by pupak »

Fantastic pictures. Amazing details and processing.


I do not look at the sky with the eyes of an astronomer, but of a person looking for the beauty of nature.
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Re: 02 September 2022 AR3092 - AR3089

Post by MAURITS »

Thanks pupak.


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Re: 02 September 2022 AR3092 - AR3089

Post by Montana »

These are absolutely gorgeous :hamster: :bow I need to get my 4x telecentric back so I can use my SolarSpectrum again, it's been out of commission for months now :(

Alexandra


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Re: 02 September 2022 AR3092 - AR3089

Post by MAURITS »

Thanks Alexandra, I have experienced if the seeing is not really okay that the Solar Spectrum creates some blurry images.


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Re: 02 September 2022 AR3092 - AR3089

Post by marktownley »

Good results Maurits!


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Re: 02 September 2022 AR3092 - AR3089

Post by marktownley »

Rusted wrote: Sat Sep 03, 2022 8:34 am
MAURITS wrote: Sat Sep 03, 2022 7:16 am
The time that I have a good seeing is maybe a handful days in a whole year.
All the rest is very challenging...
I keep trying to analyse whether I have poor local seeing or it is more atmospheric. Or mixed.
There is an easterly breeze today. Which should be scavenging any excess warmth from the dome.
It seems to be working today but there is also a shed roof to the east right beside the dome.
So the wind could be blowing away any convection currents from the shed roof.
The only true way to test this might be to capture well away from the fixed location but using the same instrument.
If the seeing improves then it must be the local conditions which are poor. [?]
Might be worth investing in an SSM Chris.


Image
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: 02 September 2022 AR3092 - AR3089

Post by MAURITS »

Thanks Mark.


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Re: 02 September 2022 AR3092 - AR3089

Post by Rusted »

marktownley wrote: Sun Sep 04, 2022 8:20 am
Might be worth investing in an SSM Chris.
Thanks Mark.

I'd need to save up my pocket money for one of those. :shock:
Besides which, nobody seems to have any stock at the moment.


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Re: 02 September 2022 AR3092 - AR3089

Post by MAURITS »

Thanks Chris, I save too.


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Re: 02 September 2022 AR3092 - AR3089

Post by gabrieli »

Hi, MAURITS

These are top notch images. I really like seeing solid looking filaproms on the limb. The double stack works well.
I have a Solar Spectrum 0.5Å etalon which I would like to double stack. Which etalon do you use in your double stack?

Lou


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Re: 02 September 2022 AR3092 - AR3089

Post by MAURITS »

gabrieli wrote: Sun Sep 04, 2022 1:20 pm Hi, MAURITS
Which etalon do you use in your double stack?
Lou
Lou I use a SolarScope Etalon for double stack in a 2" cell with T2 thread on both ends from "Beloptik" Germany.
The DS module is located just before the Baader prisma.(all you can see is a little adjustment wheel).
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