AstroBin

AstroBin

AstroBin

Asiair Calibration Settings for Using and OAG ZWO ASIair Plus · Uhhjoe82 · ... · 55 · 1670 · 3

messierman3000 7.22
Oscar
...
· 
·  Share link
YES!!

I found out my default guide rate is is "0.5x sidereal"

it had nothing to do with the slew rate, which I was talking about before
Like
×

Sorry :-(

Editing a post is only allowed within 24 hours after creating it.
×

Share this forum post

Copy the URL below to share a direct link to this post.

Close
×

Post editing not available

This post cannot be edited using the classic forums editor.

To edit this post, please enable the "New forums experience" in your settings.

Go to Settings Close
messierman3000 7.22
Oscar
...
· 
·  Share link
interesting.

so I did:

2 x 0.82 [arcsec per pixel resolution] = 1.64

1.64 / 15 [sidereal rate] x 0.5 [guide rate] = 0.054

1000 x 0.054 = 54

Does that sound right? Just 54ms calibration step size?
Edited ...
Like
×

Sorry :-(

Editing a post is only allowed within 24 hours after creating it.
×

Share this forum post

Copy the URL below to share a direct link to this post.

Close
×

Post editing not available

This post cannot be edited using the classic forums editor.

To edit this post, please enable the "New forums experience" in your settings.

Go to Settings Close
messierman3000 7.22
Oscar
...
· 
·  Share link
if that's correct, that still doesn't tell me what max RA and DEC duration to use

is there another equation for that?
Like
×

Sorry :-(

Editing a post is only allowed within 24 hours after creating it.
×

Share this forum post

Copy the URL below to share a direct link to this post.

Close
×

Post editing not available

This post cannot be edited using the classic forums editor.

To edit this post, please enable the "New forums experience" in your settings.

Go to Settings Close
Joo_Astro 3.80
Johannes Maximilian Möslein
...
· 
·  1 like
·  Share link
@messierman3000 please do us a favor and don't spam so many messages about every thought you have. 

Concerning your questions:
interesting.

so I did:

2 x 0.82 [arcsec per pixel resolution] = 1.64

1.64 / 15 [sidereal rate] x 0.5 [guide rate] = 0.054

1000 x 0.054 = 54

Does that sound right? Just 54ms calibration step size?


You forgot the brackets, so it's (2 * 0.82) / [b]([/b]15 * 0.5[b])[/b] * 1000 = 218 ms.
if that's correct, that still doesn't tell me what max RA and DEC duration to use

is there another equation for that?

You shouldn't really have to change that, just set it to default or about 2000-2500ms.
It was mentioned here, I recommend reading it:
https://eastwindastro.blogspot.com/2021/02/
Edited ...
Like
×

Sorry :-(

Editing a post is only allowed within 24 hours after creating it.
×

Share this forum post

Copy the URL below to share a direct link to this post.

Close
×

Post editing not available

This post cannot be edited using the classic forums editor.

To edit this post, please enable the "New forums experience" in your settings.

Go to Settings Close
ddompe 0.00
Diego Dompe
...
· 
·  Share link
Arny:
I had similar issues when I started out with OAG guiding, and resolved almost all problems for
my setup of
- EdgeHD11
- Asi220mm guiding cam
- Zwo OAG-L
- Asi2600mm/mc APSC image camera
- AsiAir plus

by
- using 3 second loop interval in guiding
- running guide cam in bin2 mode at 400 gain - otherwise the stars were too faint and be more often lost than tracked

really good consistent results. last night I managed to 0.2-0.3" guiding precision on ma AM5 mount

Arny

Thanks for sharing this info, I’m starting with this exactly same setup yesterday, and everything was great until the meridian flip really close to zenith… after the mount reached his rough position and attempted to approach slowly the target, the belt slipped and  the camera almost hit the legs of the tripier (landed on a cable that saved the day). I’m using a 5kg counterweight which I read is the maximum supported… what are you using? Does something like this has happened to you?
Like
×

Sorry :-(

Editing a post is only allowed within 24 hours after creating it.
×

Share this forum post

Copy the URL below to share a direct link to this post.

Close
×

Post editing not available

This post cannot be edited using the classic forums editor.

To edit this post, please enable the "New forums experience" in your settings.

Go to Settings Close
afjk 3.58
Arny
...
· 
·  Share link
Outch - I never a belt slip - when its overloaded the torque gets too high and it cannot provide that. Leads to an ugly sound while trying to provide torgue and then self arresting itself at its position. Only happens in extreme positions though whean reaching 20kg max load. 

they actually added a heavy weight mode in asiair which halfs söew speed and saves wear on gears and supposedly is better in really cold conditions. 

Adding the 5kg counterweight is a must for heavy loads and fixed this issue and I never had it again.

Arny
Like
×

Sorry :-(

Editing a post is only allowed within 24 hours after creating it.
×

Share this forum post

Copy the URL below to share a direct link to this post.

Close
×

Post editing not available

This post cannot be edited using the classic forums editor.

To edit this post, please enable the "New forums experience" in your settings.

Go to Settings Close
 
Register or login to create to post a reply.
×

Warning!

This operation will reload the current page. If you have any unsaved information in a form, it will be lost.

You can also dismiss this window, and your operation will be applied at the next page navigation.