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IDProjectCategoryView StatusLast Update
0002308CCdcielGeneralpublic20-03-26 09:06
ReporterKorneliusz Assigned ToPatrick Chevalley  
PrioritynormalSeveritymajorReproducibilityalways
Status resolvedResolutionfixed 
PlatformPCOSWindowsOS Version10 64bit
Product Version0.9 
Target Version1.0 
Summary0002308: Mount go to different RA/DEC than is set in Sequence RA/DEC
DescriptionHi

I have problem with RA/DEC position in Sequence editor. I fill RA/DEC values using "Current frame" options, after plate solving my image. Then when I started this sequence mount go a few arcminutes to far what you can see in attached screenshot. I do not use option "Use astrometry to redefine the position" if it is important. Should epoch in mount must be set also in J2000?

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Korneliusz

20-03-25 22:53

reporter  

Bez tytułu.png (619,192 bytes)   
Bez tytułu.png (619,192 bytes)   

Patrick Chevalley

20-03-26 09:06

administrator   ~0006432

Sorry for this error, I forget to change this button when the sequence coordinates where changed to J2000, the astrometry result was wrongly converted to local topocentric.
This is fixed by:
https://github.com/pchev/ccdciel/commit/e93dab1d3038b68f2dab287f105508fb7a215432

You can install a version with the fix:
https://vega.ap-i.net/tmp/ccdciel/

The coordinates in the sequence file must be J2000.
The telescope normally use local topocentric coordinates, (or JNOW).
The program convert the coordinates as required for the date of the observation.

Issue History

Date Modified Username Field Change
20-03-25 22:53 Korneliusz New Issue
20-03-25 22:53 Korneliusz File Added: Bez tytułu.png
20-03-26 09:06 Patrick Chevalley Assigned To => Patrick Chevalley
20-03-26 09:06 Patrick Chevalley Status new => resolved
20-03-26 09:06 Patrick Chevalley Resolution open => fixed
20-03-26 09:06 Patrick Chevalley Target Version => 1.0
20-03-26 09:06 Patrick Chevalley Description Updated
20-03-26 09:06 Patrick Chevalley Note Added: 0006432