Euripides replied to the topic 'Re:Dithering....' in the forum. 1 hour 38 minutes ago

mswhin63 wrote: If you use PHD2 for dithering, set the dithering method to spiral or random if it is available. I had the rainfall problem and has been eliminated


I had the random method checked


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Euripides replied to the topic 'Dithering....' in the forum. yesterday

gilesco wrote: You might actually benefit from deliberately introducing a small error in your Polar Alignment, yes, your stack may have slight rotation in it, but you might also be able to address part of the rain effect in parts of your image. But I agree with the previous poster, I don't think Dithering in 1-axis guiding is going to be very effective.


Hmm this is an interesting idea! A small PA error combined with dithering, it could work.

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Euripides replied to the topic 'Dithering....' in the forum. yesterday

It all began when I found those black patches on my images. Besides those patches walking noise was visible (tried to point it with those arrows)



www.cloudynights.com/topic/726700-does-t...-set-of-dslr-images/

This is also the result without even know what is dithering.



This is a result of Stellarmate and 5px dithering. I think it is an improvement. Then I've read that in fact with DSLR people go even further with 10-15px.


So the 1st M33 is with Stellarmate and 10px dithering, then I had all those issues with Astroberry and Internal Guider dithering and tried the M33 above with PHD2.

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Euripides replied to the topic 'Dithering....' in the forum. yesterday

Let me add more Infos into this.

This is the stack with STF from the internal guider with the above settings and 10px. (1 day before this thread)



After creating this thread I've tried with the PHD2. This is the result with 4px into Ekos and 4.0 amount in PHD2 (So, 16px, am I correct?)



Clearly, I have an issue here..This is not by calibration files, those lines are visible after stack - probably will be at every single frame but I can't see them.

Here is also the PHD2 log file. I can see that dithering worked, but as I am a rookie, I can't be sure how to interpreter all those infos. Any tip will be more than welcome!

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Euripides replied to the topic 'Dithering....' in the forum. 4 days ago

No, at least not in purpose. I'll check it.

But if it is ON, the captures should stop correct? My captures are working properly.

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Euripides replied to the topic 'Dithering....' in the forum. 4 days ago

Hello!

Certainly, I'll search to activate the debug logs.

1. After a lot of tries and settings changes, I've pressed reset to default (guide-->option tab) and after a while, RMS went to 1-1.5.
2. SkyGuiderPro, so only RA :-(
3. I've read about it and I have to try it.
4. My captures are great (for my taste), but I am trying to combat the walking noise, that's why I need it.

The thing is that I have also Stellarmate OS and with exactly the same settings dithering is working fine even with the max 10px. So I'm trying to understand why is it different.

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Euripides created a new topic ' Dithering....' in the forum. 4 days ago

So, I believe I've reached my limits. I can't make dithering to work. I always get this back:




SkyGuider Pro, DSRL & Lens, ASI224MC as guide. Properly balanced, properly powered, great cable management.

I've tried different settings, with guide box, with dither px, algorithms etc. and I just can't make it to work.

PS. Two axis option is disabled.


Any idea is more than welcome!



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Euripides replied to the topic 'Re:Powered USB Hubs' in the forum. 4 weeks ago

Hello! I need also a powered hub for my setup but it needs to be powered directly from a power bank (TalentCell 12V/6000mAh). I saw this one

StarTech.com 7 Port USB 3.0 Hub – Up To 5 Gbps – 7 x USB – Universal Multi Port USB Extender for Your Desktop – USB Powered (ST7300USB3B)
by DirectfromStarTech
Learn more: www.amazon.co.uk/dp/B00L07AAZM/ref=cm_sw..._mt_dp_I9xCFbG8WNVYF

Do you think that will be possible?


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Euripides replied to the topic 'Kstars autostart' in the forum. 4 weeks ago

I was pretty sure that I've seen that somewhere. Here you are



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Hello!

Just an update, I've managed to make the internal guider to work, thanks to all your tips!

So to sum up, key points if you want to guide with a mount just like SkyGuider Pro (only in RA):

Options button (lower right corner)
- Uncheck the Two Axis option
- Algorithm = SEP Multistar

On the Main Guide screen,
-Both Guider & Via options, should be the Guide camera.


With those settings and all the other to default, I was able to start guiding into 2-3 minutes.


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Ok I see... I've started with PHD2 - just with default settings - and everything worked great. Unfortunately, I am facing intermittent crashes in Ekos and through the logs, I suspect errors from guiding, so I thought I could give a try with the internal guide.

Yes Sky Guider Pro does not have GoTo capabilities but works fine at least for RA.

So if I understand correctly, I should change the " Via: iOptron Sky Guider Pro" to "Via: Telescope Simulator"?

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