I have a problem with some files loading into TG.
They appear to be the identical layout to successful txt files that do load.
E.G. This file which is data for NGC 7790 will not load.
Header and a bit of the data
Primary target: NGC7790
Exposure time: 60 s
Filter: I
Observation date/time: 2017-11-28 02:32:30
JD: 2458085.60590
Decimal date: 2017-11-28.10590
R.A.: 23:58:48.28
Dec.: 61:12:20.37
Airmass: 1.1291
Calibration: BDF
Apeture radius: 4 pixels
File name: 638342954250520653-stacked.fts
Star IM Max SNR X Y Sky Air B-V I-mag Target estimate Active
000-BLJ-964 -8.052 15526 473 700.674 690.805 1109 1.129 1.416 10.223 18.275 True
000-BLJ-965 -6.477 4559 215 997.143 545.761 1107 1.129 0.537 11.849 18.326 True
000-BLJ-966 -7.485 9888 361 634.212 607.989 1107 1.129 1.742 10.775 18.260 True
000-BLJ-967 -6.576 4692 224 1075.194 719.053 1106 1.129 0.698 11.761 18.337 True