[Solved] Error encountered when opening FITS files

Dear Jean-Marie, @jmwill

Thank you very much for reporting this issue.

Can you upload some of these iTelescope.net files here? I will then test and fix as soon as possible 😉

https://upload.astropixelprocessor.com/

username: uploadData

password: uploadTestData

please make a folder like : Jean-Marie-iTelescope-Fits-issue

and upload your files there and then let me know once uploaded. I will look at them as soon as possible.

Thanks,

Mabula

Hello Mabula,

thanks for the fast reaction.
I have uploaded a few fits files from two different data sets into the specified folder.

Thanks,
Jean-Marie

Hi Jean-Marie @jmwill,

Thank you very much for the upload, I will test and fix as soon as possible and will give you an update once fixed.

Mabula

Posted by: @jmwill

↑

Hi,

iTelescope.net has is providing FITS files for free (monthly "Premium Image Set").
I can not open the data provided in February and March anymore with APP.
When loading the files, this error occurs:

***********************************************
Astro Pixel Processor - 2.0.0-beta34
Oracle GraalVM 23.0.2+7.1 - Windows-64-bit

Encountered error in module:
FileDetailListUpdater

Error message:
java.lang.NullPointerException: Cannot invoke "String.contains(java.lang.CharSequence)" because "<local14>" is null

Cause:
Cannot invoke "String.contains(java.lang.CharSequence)" because "<local14>" is null
oj.a(FitsImageDetails.java:200)
ol.a(ImageDetails.java:76)
oi.a(FileDetailListUpdater.java:727)
oi.doInBackground(FileDetailListUpdater.java:39)

***********************************************

Seems the FITS file do have something in the header which is not recognized by APP.

This happens with APP v2 beta29 and also with the current one (beta34).

 

Thanks for any hints.

Jean-Marie

 

Hi Jean-Marie @jmwill,

Good news, I have solved the issue. The files will now work properly from APP 2.0.0-beta35. I aim to release 2.0.0-beta35 before March 15th. I will try to let you know once the updated version is released, but you can check the forum and our downloads page to see if beta35 has been released 😉

https://www.astropixelprocessor.com/community/release-information/astro-pixel-processor-2-0-0-beta35-release-notes-work-in-progress/

• FIXED FITS READ error with MaximDL/iTelescope files

  As reported in this thread https://www.astropixelprocessor.com/community/main-forum/error-encountered-when-opening-fits-files/#post-32412 , loading a fits file created by MaximDL from iTelescope gave a NullPointerException in the FileDetailListUpdater module. The error is caused by a FITS WRITE error in MaximDL we think. The problem files have 2 FITS HDU/Headers with the exact same content and image data and the 2nd header misses a required FITS tag XTENSION to indicate what kind of data the header has according to the FITS specification. APP will catch this error now and will still be able to read and process these files. Please note, because these files have twice the exact same image data, they are also twice as large as they need to be. We have informed iTelescope.net about this issue.

Perfect, many thanks!

You are most welcome !