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#1 Rsanalb

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Posted 29 November 2015 - 09:48 PM

I have this problem, I do a pointfile with 15 star, bat every 300-400 seg, the guidding jump 5-6 pix. Can you help me?.

 

 

 

Thanks

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#2 tbaehnck

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Posted 29 November 2015 - 11:43 PM

Hallo?

Is it possible that you activate dithering via mount in Maximdl?

Kind regards
Thomas

#3 GeorgeCarey

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Posted 30 November 2015 - 11:47 AM

Set Autoslew to log the motor currents and see what the currents are doing. When there is a current error Autoslew moves the mount to try and correct the error.

The deviations in your graph look exactly the same which does not usually happen with dithering.


ASA DDM60Pro, homemade 8" and 10" reflectors, QSI 683 camera, Astrodon 5nm filters, Pulsar dome observatory. Website: http://www.geoastro.co.uk


#4 Rsanalb

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Posted 30 November 2015 - 03:38 PM

Set Autoslew to log the motor currents and see what the currents are doing. When there is a current error Autoslew moves the mount to try and correct the error.
The deviations in your graph look exactly the same which does not usually happen with dithering.


Its the same light, the dithering move every ligth.

#5 GeorgeCarey

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Posted 30 November 2015 - 05:20 PM

Sorry, I don't understand.


ASA DDM60Pro, homemade 8" and 10" reflectors, QSI 683 camera, Astrodon 5nm filters, Pulsar dome observatory. Website: http://www.geoastro.co.uk


#6 Rsanalb

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Posted 30 November 2015 - 08:04 PM

sorry for my English. The jumps occur in the middle of the picture, since they are 600 seconds and occur every 300-400 seconds, so it can not be an effect of movement between guided or dithering, I think.

 

II have discussed several things: the computer to warm and USB power cut, the computer and watch.



#7 GeorgeCarey

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Posted 30 November 2015 - 08:21 PM

You are right that it cannot be dithering.
I still think you should check the motor currents in the log.

ASA DDM60Pro, homemade 8" and 10" reflectors, QSI 683 camera, Astrodon 5nm filters, Pulsar dome observatory. Website: http://www.geoastro.co.uk


#8 Rsanalb

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Posted 30 November 2015 - 10:34 PM

You are right that it cannot be dithering.
I still think you should check the motor currents in the log.

How i can do that.  how i look the logs file.



#9 GeorgeCarey

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Posted 30 November 2015 - 10:58 PM

I cannot remember which menu it is in, but there is an option to write a log file. I will look for it when I next get to my observatory computer.

ASA DDM60Pro, homemade 8" and 10" reflectors, QSI 683 camera, Astrodon 5nm filters, Pulsar dome observatory. Website: http://www.geoastro.co.uk


#10 GeorgeCarey

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Posted 01 December 2015 - 10:29 AM

The log file settings are in menu Control.... Misc settings

At the bottom of the list is 'Enable Log File'.

 

The log is written in Program Data/ASA/Autoslew/AutoslewLogs


ASA DDM60Pro, homemade 8" and 10" reflectors, QSI 683 camera, Astrodon 5nm filters, Pulsar dome observatory. Website: http://www.geoastro.co.uk


#11 Rsanalb

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Posted 01 December 2015 - 03:56 PM

The log file settings are in menu Control.... Misc settings

At the bottom of the list is 'Enable Log File'.

 

The log is written in Program Data/ASA/Autoslew/AutoslewLogs

Thanks, today active and y copy this logs tomorrow. Thanks for all.



#12 Rsanalb

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Posted 01 December 2015 - 08:48 PM

Thanks, today active and y copy this logs tomorrow. Thanks for all.

I have this, 
 
43:10------------
Saved Log-File to C:\ProgramData\ASA\Autoslew\AutoslewLog.txt
                    -------------20:24:09------------
Adding new stars to existing pointing file C:\ProgramData\ASA\Autoslew\g2.poi
with  10Stars
                    -------------20:22:28------------
Axis RA/AZ reported the following Problem:
Position Error
Position Error during slewing autocorrected by ClServo
Position Error correction failed
 
                    -------------20:18:29------------
Axis RA/AZ reported the following Problem:
Position Error
Position Error during slewing autocorrected by ClServo
Position Error correction failed
 
                    -------------20:10:04------------
Starting new ponting file C:\ProgramData\ASA\Autoslew\g2.poi
                    -------------19:54:31------------
DE/AL calibrated OK !
                    -------------19:54:29------------
RA/AZ calibrated OK !
                    -------------19:53:51------------

 

DE/AL calibrated OK !


#13 Rsanalb

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Posted 01 December 2015 - 08:59 PM

You can see that. 

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  • Attached File  jump.jpg   118.56KB   1 downloads


#14 GeorgeCarey

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Posted 01 December 2015 - 10:05 PM

I am confused. Are these errors happening when you are making a pointing file?
You say the image exposures are 600 seconds which does not sound like a pointing file.

ASA DDM60Pro, homemade 8" and 10" reflectors, QSI 683 camera, Astrodon 5nm filters, Pulsar dome observatory. Website: http://www.geoastro.co.uk


#15 MarkS

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Posted 01 December 2015 - 10:19 PM

To log the motor currents you must also go into the Drive>Servo Setup box where you will find a check box to enable logging of motor currents. The log file will appear in Program Data> ASA>Autoslew>ClServoLogs

 

Mark



#16 Rsanalb

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Posted 01 December 2015 - 10:39 PM

I am confused. Are these errors happening when you are making a pointing file?
You say the image exposures are 600 seconds which does not sound like a pointing file.


yes 600 seg. And i do a pointing file with 19 stars.

#17 Rsanalb

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Posted 01 December 2015 - 10:41 PM

To log the motor currents you must also go into the Drive>Servo Setup box where you will find a check box to enable logging of motor currents. The log file will appear in Program Data> ASA>Autoslew>ClServoLogs
 
Mark


Ok, i move the pier mount, and i try to do a az move. May be i dont disturb nore in 7 days. :)

#18 GeorgeCarey

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Posted 01 December 2015 - 11:14 PM

A pointing file usually only needs about a 5 second exposure for each frame.
Are you using Sequence to make the pointing file?

ASA DDM60Pro, homemade 8" and 10" reflectors, QSI 683 camera, Astrodon 5nm filters, Pulsar dome observatory. Website: http://www.geoastro.co.uk


#19 Adamo

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Posted 02 December 2015 - 10:22 AM

Hi

 

What is version Autoslew?



#20 Rsanalb

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Posted 04 December 2015 - 01:18 PM

A pointing file usually only needs about a 5 second exposure for each frame.
Are you using Sequence to make the pointing file?

Yes have a 5 seconds and dont use the secuence. It´s important to do that with secuence?


Edited by Rsanalb, 04 December 2015 - 01:19 PM.





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