[Les Brand]

Bingo!
I just ran CCD DP tool with FITS header enabled and the Coordinate COnverter tool set up for the target and obsy location.
So no NaNs in the measurements table and BAAVSS spreadsheet worked fine

Thanks for those hints John!

Les

[Les Brand]

Hi John,
I do have some NaN under various fields. I didn’t use AIJ DP for data reduction (I actually used ASTAP to get calibrated science frames) so not sure if the DP Coordinate Converter module was used. I don’t see ALT_OBJ in the Fits header but I have since checked the aperture settings keywords and used the default ones suggested in AIJ doc (JD_SOBS,JD_UTC,HJD_UTC,BJD_TDB,ALT_OBJ,AIRMASS,CCD-TEMP,EXPTIME,RAOBJ2K,DECOBJ2K) – again resulting in some NaN presumably since some don’t exist in the FIits header. I will try to use the CCD DP module to edit/enable those keywords – didn’t realise I would need to do this!
I’ll email you separately to connect and maybe follow up if that’s ok
Thanks, Les

[Les Brand]

Looks like the forum won’t allow me to upload the BAA_Photometry_Spreadsheet_2.22.xlsm…possibly since it contains macros?

[Les Brand]

Why is this topic marked as spam?

[Les Brand]

Here’s my attempt.  Simple capture with Canon SX50

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