×
INDI Library v1.8.5 Released (19 Apr 2020)

April 2020 release of INDI Library v1.8.5 introduces new drivers while providing fixes and improvements to existing devices and core framework.

Meridian Flip Configuration

2 months 6 days ago
universalmaster
Gold Boarder
Gold Boarder
Posts: 200
More
Meridian Flip Configuration #51409
I actually can not remember, so I can neither confirm nor deny that statement :-)

I'm at summer time now, so the season may be close to over here and I'm not sure I will be able to test it further. But i has happened many times and with different version of kstars/indi. I have been using the development version the last few months, if that matters....

Please Log in or Create an account to join the conversation.

2 months 5 days ago
sterne-jaeger
Platinum Boarder
Platinum Boarder
Posts: 497
Karma: 6
More
Meridian Flip Configuration #51449
Pit, it sounds like there is a problem with the pointing model. This matches to the situation that Niki reported here .

Since the problem does not occur with my Avalon mount, it seems to be specific for some mounts.

- Wolfgang

TSA-120 + FSQ-85 + GSO 150/750 | Avalon Linear + M-zero | Moravian G2-8300 + ASI 1600mm pro + ASI 294mc pro | KStars/INDI on Raspberry Pi 4 with Raspbian 10

Please Log in or Create an account to join the conversation.

2 months 5 days ago 2 months 5 days ago by wvreeven.
wvreeven
Platinum Boarder
Platinum Boarder
Posts: 1477
Karma: 7
More
Meridian Flip Configuration #51453
In the KStars settings under Ekos -> Capture is an option "Reset Mount Model After Meridian Flip". Perhaps it helps to enable that?


Wouter

ASI1600MM-Pro Cooled and filter wheel with a SkyWatcher Esprit 80 ED on a SkyWatcher HEQ5-Pro
ASI1600MM-Pro Cooled and filter wheel with an 8" TS Ritchey-Chrétien on a SkyWatcher EQ6-R

Please Log in or Create an account to join the conversation.

2 months 5 days ago
DerPit
Platinum Boarder
Platinum Boarder
Posts: 401
Karma: 1
More
Meridian Flip Configuration #51454
Yes, I agree. But it definitely is a new one, I have not ever seen it last year, only now. And there had been no changes to the driver side (ieq).
I read some commit logs mentioning pier side info for mounts that don't have it native (like my CEM60). Could it be related to that, or maybe some change in an xml file that wasn't updated properly in our config directory?
I had intended to investigate this further, but they have now put our observatory in LockDown, and I no longer can access my equipment for the next 2-4 weeks :((

openSUSE Tumbleweed KStars git INDI git
GPDX+EQMOD, CEM60EC, ASI1600+EFW+EAF+ASI290 mini

Please Log in or Create an account to join the conversation.

2 months 5 days ago
DerPit
Platinum Boarder
Platinum Boarder
Posts: 401
Karma: 1
More
Meridian Flip Configuration #51455

wvreeven wrote: In the KStars settings under Ekos -> Capture is an option "Reset Mount Model After Meridian Flip". Perhaps it helps to enable that?


I somehow doubt it, at least in my case there was no meridian flip involved at all, it was a plain slew to target....

openSUSE Tumbleweed KStars git INDI git
GPDX+EQMOD, CEM60EC, ASI1600+EFW+EAF+ASI290 mini

Please Log in or Create an account to join the conversation.

2 months 5 days ago
wvreeven
Platinum Boarder
Platinum Boarder
Posts: 1477
Karma: 7
More
Meridian Flip Configuration #51457

DerPit wrote: I somehow doubt it, at least in my case there was no meridian flip involved at all, it was a plain slew to target....


Perhas clear the mount model manually before doing the slew? Sorry, I haven't followed the whole discussion. Does this happen from the first slew on or does it start to happen after a few slews?

ASI1600MM-Pro Cooled and filter wheel with a SkyWatcher Esprit 80 ED on a SkyWatcher HEQ5-Pro
ASI1600MM-Pro Cooled and filter wheel with an 8" TS Ritchey-Chrétien on a SkyWatcher EQ6-R

Please Log in or Create an account to join the conversation.

2 months 3 days ago
DerPit
Platinum Boarder
Platinum Boarder
Posts: 401
Karma: 1
More
Meridian Flip Configuration #51512

wvreeven wrote:

DerPit wrote: I somehow doubt it, at least in my case there was no meridian flip involved at all, it was a plain slew to target....


Perhas clear the mount model manually before doing the slew? Sorry, I haven't followed the whole discussion. Does this happen from the first slew on or does it start to happen after a few slews?


Clearing the mount model would be a temporary quirk. It was working fine without that whole last year. The initial slew was spot-on, the error only occured when going to the other side of the meridian. Unfortunately, it was the first time I did it this year, and currently I no longer have access to the hardware to (re)verify it :(

But maybe those having similar problems could try this, i.e., not wait for an automatic meridian flip, but just manually go to the other side and see if the problems are the same?

openSUSE Tumbleweed KStars git INDI git
GPDX+EQMOD, CEM60EC, ASI1600+EFW+EAF+ASI290 mini

Please Log in or Create an account to join the conversation.

2 months 3 days ago
ChrisRowland
Platinum Boarder
Platinum Boarder
Posts: 462
Karma: 9
More
Meridian Flip Configuration #51524
I'm not sure but is everyone who is reporting a problem with the position reached after a long slew, maybe a meridian flip slew, using EQMOD?

Some of you are but some don't seem to have said.

The reason I ask is that AIUI EQMOD has a sync mode which adds the sync position to the mount model and a precise align will do a lot of syncs very close together. These could distort the mount model so it is much less accurate a long way away and a meridian flip slew is a long slew, 180 degrees in the hour angle axis. If that's the case then disabling this mode and selecting a sync mode where the sync point is not added to the mount model may help.

Please Log in or Create an account to join the conversation.

2 months 3 days ago
wvreeven
Platinum Boarder
Platinum Boarder
Posts: 1477
Karma: 7
More
Meridian Flip Configuration #51527
I have been doing automated meridian flips while imaging an object for the past weeks using EQMod and my telescope always ended spot on on the target after the flip. I do have the “reset mount model after meridian flip” enabled.


HTH, Wouter

ASI1600MM-Pro Cooled and filter wheel with a SkyWatcher Esprit 80 ED on a SkyWatcher HEQ5-Pro
ASI1600MM-Pro Cooled and filter wheel with an 8" TS Ritchey-Chrétien on a SkyWatcher EQ6-R

Please Log in or Create an account to join the conversation.

2 months 3 days ago
tcm75
Fresh Boarder
Fresh Boarder
Posts: 19
More
Meridian Flip Configuration #51541
I had time to test this on Wednesday night. I was up at the time the automatic flip occured and have checked the box like said above "reset mount model after meridian flip"
the flip was spot on with only one correction.

Seems this does the trick.

I will observe the next times.

Thanx for the tipp.

niki

Please Log in or Create an account to join the conversation.

Time to create page: 0.813 seconds