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INDI Library v1.8.1 Released (09 Sep 2019)

Monthly maintenance release INDI v1.8.1

Polar Alignment Assistant and the Southern Hemisphere

1 year 7 months ago
lazjen
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Polar Alignment Assistant and the Southern Hemisphere #24333
I recently tried to use the Polar Alignment Assistant and found some weird issues. I'm located in the Southern Hemisphere and I was wondering if it could be related to that...

At one point it asks you to rotate the scope East or West. I had to pick the "opposite" to get the right direction of movement.

During the process you get feedback on how far from the pole it thinks you are. I am going to go back over the documentation to understand things more, because I got a number of different values of various degrees, including at one point being "70" degrees off!

I'm using Kubuntu with the latest package builds installed.

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1 year 7 months ago
pentaxian23
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Polar Alignment Assistant and the Southern Hemisphere #24341
One thing some have found is that you should put your scope back to park before each use. Makes sense I suppose because if you try two in a row, you'll get counterweights up. I think it might work if you change directions on a second iteration but I haven't tested it. (Not saying you need to do it more than once but I'be been using it a second time to check the result.)

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1 year 7 months ago 1 year 7 months ago by lazjen.
lazjen
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Polar Alignment Assistant and the Southern Hemisphere #24344
I picked the opposite direction for the second iteration each time. It said I was so far out from the pole that it couldn't find it in the FOV. I'm at about 1500mm, so I assume a more restricted FOV makes it harder to be on target.

I'll try the park scope next time as well - maybe that will help.

Edit: Just looked at the video - my FOV is too narrow. Ok, will have to think about this more.

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1 year 7 months ago 1 year 7 months ago by pentaxian23.
pentaxian23
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Polar Alignment Assistant and the Southern Hemisphere #24346

lazjen wrote: I picked the opposite direction for the second iteration each time. It said I was so far out from the pole that it couldn't find it in the FOV. I'm at about 1500mm, so I assume a more restricted FOV makes it harder to be on target.

I'll try the park scope next time as well - maybe that will help.

Edit: Just looked at the video - my FOV is too narro

w. Ok, will have to think about this more.


Don’t use your main scope for PA. use your guide scope and cam. Faster and wider FOV

The pole does not have to be in view

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1 year 7 months ago
lazjen
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Polar Alignment Assistant and the Southern Hemisphere #24377
I use an OAG, so that's not going to work. :)

I might have to use another tool instead. I can't use the legacy PA as it wants me to go to the North meridian, but that's not possible for my current situation.

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1 year 7 months ago
pentaxian23
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Polar Alignment Assistant and the Southern Hemisphere #24395

lazjen wrote: I use an OAG, so that's not going to work. :)

I might have to use another tool instead. I can't use the legacy PA as it wants me to go to the North meridian, but that's not possible for my current situation.


Doe! :-P

Well the only thing I can say is - and you probably have already done this - download the very large astrometry files for narrower FOV operation. Now I see why a lot of people like pole-master. Probably help a lot in your situation. Also try PHD2 polar align tool - not the drift align tool - I think its only on linux at the moment.

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