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NINA Sequence and Park at Zenith

 

GM811g user here.

I want to automate sky flats at the start and end of each sequence in NINA. However, NINA only provides a "Park" option and not the other park options available in the HC or Gemini software HC. Is there a way I can use a Python script to issue commands to my mount so I can customize the sequence with a Park at Zenith option?
 

On Wed, Nov 20, 2024 at 09:45 AM, John Dias wrote:
GM811g user here.

I want to automate sky flats at the start and end of each sequence in NINA. However, NINA only provides a "Park" option and not the other park options available in the HC or Gemini software HC. Is there a way I can use a Python script to issue commands to my mount so I can customize the sequence with a Park at Zenith option?
Just move the scope to the desired flats position (zenith), and then use the HC to set Home Position there:
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From NINA, you can use the Sequencer command Find Home to tell Gemini to slew to this position, and park there when you're ready to take flats.
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Regards,
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? ? -Paul
 

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Le 20 nov. 2024 ¨¤ 17:58, Paul Kanevsky via <yh@...> a ¨¦crit :

From NINA, you can use the Sequencer command Find Home to tell Gemini to slew to this position, and park there when you're ready to take flats.

The Flat Wizard in NINA has a native Slew to Zenith function.

Cheers,
JB
 

I use NINA to automate skyflats in the AM. I can send you a screenshot of my sequence in a few days.
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Basically after imaging my mount parks at HOME and waits for the sun angle to get to the desired elevation.?

Once the sun is at the desired elevation the Advanced sequencer commands a:
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Slew to Alt/AZ - 90/90 (this slews the mount to zenith)
Tracking Stopped
then it starts to take the sky flats.?
After sky flats are done it commands a slew back to HOME.?
 

You would likely want 90/270 so that the mount continues to track westward from the meridian with counterweights down.

On Nov 20, 2024, at 12:49, Ryan Noonan via groups.io <repast_twerps0r@...> wrote:

I use NINA to automate skyflats in the AM. I can send you a screenshot of my sequence in a few days.
Basically after imaging my mount parks at HOME and waits for the sun angle to get to the desired elevation.

Once the sun is at the desired elevation the Advanced sequencer commands a:
Slew to Alt/AZ - 90/90 (this slews the mount to zenith)
Tracking Stopped
then it starts to take the sky flats.
After sky flats are done it commands a slew back to HOME.

 

That is interesting, a 90/90 in the Advanced Sequencer places my mount on the eastern side ready to track CW down¡­possibly because of my go-to Western Limit. Doesn¡¯t matter too much given that I command tracking to stop. A person should probably try a few different commands to see what works best prior to automating¡­ I know some folks like to take their sky flats 10-20¡ã away from the rising/setting sun.?
 

Ah, good suggestion - I had use the slew to alt/az but didn't even think about tracking stopped instruction. Thanks!
 

John it sounds like you got the hang of it now, but I'm finally back home and I've attached my NINA Advanced Sequencer Dawn SkyFlats template in case anyone else wants to try it out. This works flawlessly for my ~f/5 Newt and G11G, but the sun angle will have to be tweaked for each setup... faster f/ratios will have to be triggered when the sun is a little lower and slower f/ratios when the sun is a little higher.

This template takes my RGB flats (I don't shoot Lum) about 18 minutes prior to sunrise and my SHO flats about 3 minutes after sunrise.?
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All one needs to do is copy the template into their "Sequencer Templates" folder as defined by NINA settings on the Options > Imaging > Sequence section
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Let us know when you get it working the way you want it.

Dawn SkyFlats.template.json
Dawn SkyFlats.template.json

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