...
- first N bytes of a fits file are all nulls
- fitsino can't read the file
- fitscheck shows error code 1
Example
| Code Block |
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> xxd -a 1351246440_20221031101342_ch118_001.fits | head
0000000: 0000 0000 0000 0000 0000 0000 0000 0000 ................
*
05fe000: 45a0 0abb 43fe f3d9 c3b1 0e54 4429 92db E...C......TD)..
05fe010: c3f2 8c0c c49e 098a 445a 93da c39f 4862 ........DZ....Hb
05fe020: c564 433a c50f 3a33 43e8 8d3c c46b 351b .dC:..:3C..<.k5.
05fe030: 44c1 5521 43a5 8126 43ca b4ae c458 5af6 D.U!C..&C....XZ.
05fe040: c4e9 0f1d 44e6 e0b2 4550 a628 43af bdf6 ....D...EP.(C...
05fe050: c49d 81ae 4488 ce0e 4472 516b 42ba 47d3 ....D...DrQkB.G.
05fe060: 453b 3915 c51b e58c 44bb 51b6 c439 c772 E;9.....D.Q..9.r
05fe070: 4479 888e c3c9 8fc3 c454 74b2 43ce 69c0 Dy.......Tt.C.i.
> fitscheck -ci 1351246440_20221031101342_ch118_001.fits
NONCOMPLIANT '1351246440_20221031101342_ch118_001.fits' .. Verification reported errors: HDUList's 0th element is not a primary HDU. Primary HDU does not contain an EXTEND keyword equal to T even though there are extension HDUs. HDUList's element 1 is not an extension HDU. HDU 0: 'SIMPLE' card does not exist. 'BITPIX' card does not exist. 'NAXIS' card does not exist. Card 88931: Card 'D5' is not FITS standard (equal sign not at column 8). Card 'D5' is not FITS standard (invalid value string: '??????\x7f?Da7?D??ND??\x1d?L7?E\x0c?\x1bD??D?[??C(??CP&\x1aD??R?\x03?\x1c?,?\x04?4????AuD\x07\x03???"?D?E='). Card 96164: Unprintable string '\x0f\x07>\x16\x7f???K??\x16?????Z?U@???Y?????@ko1@\x1e@\x05?/???7?\x1c?>?6>?A\x05?K\x00%>?j?>??\x04?3\x16s?3.\x0b???'; commentary cards may only contain printable ASCII characters Card 97343: Card '?H??' is not FITS standard (equal sign not at column 8). Card keyword '?h??' is not upper case. Illegal keyword name '?H??' Card '?H??' is not FITS standard (invalid value string: 'B?\x16,r???\x11??\x03?????>8?????/?8???\\?t>.|?>?\x18????U???e?b?w>?J%>????\x05?*>??????a'). Card 109720: Card '>?\n@' is not FITS standard (equal sign not at column 8). Illegal keyword name '>?\n@' Card '>?\n@' is not FITS standard (invalid value string: '??@A\\\x01??2???i??3?z??O??\x0c???N??>?P??\nZ?=1?g?Q}???!??[m?@??\x03>%?\x10?z?\x11@\x16???\x1e\tY'). Card 114951: Card '????A?' is not FITS standard (equal sign not at column 8). Illegal keyword name '????A?' Card '????A?' is not FITS standard (invalid value string: '????????DHq?DE???\x11??C???C?<?D}(\x16??sHDE??C????u?????#D?\t\x1eD?wr??Vq??cl??1*'). Card 118755: Illegal keyword name '?"???\x19??' Card '?"???\x19??' is not FITS standard (invalid value string: ':???zg?*?)?M?e???\x12?#?????m?.????\n[?#T?@,\x1e??\x1d??>K?\x10???\x1f?\x0b\x08??\x18?o?&\x0cm?B?\\'). Card 119530: Card keyword '@+r??;??' is not upper case. Illegal keyword name '@+R??;??' Card '@+R??;??' is not FITS standard (invalid value string: '?\x1f?\x10\x16N>?7??p&???????????f???Ad??\x1e4?#G??(S???w_????@\x19\x1e??[g?????=????KIk'). Card 123398: Card '>?' is not FITS standard (equal sign not at column 8). Illegal keyword name '>?' Card '>?' is not FITS standard (invalid value string: 'A\x14??@\x02?a??BA??\x7fY=??Z???Z?????_?\x12?\x7fg0@??%@tf?????@????\x1c>??????\x0c3?@*???d\x14??U5?'). Card 123910: Card '?;\x06?=\x0f??' is not FITS standard (equal sign not at column 8). Illegal keyword name '?;\x06?=\x0f??' Card '?;\x06?=\x0f??' is not FITS standard (invalid value string: '\x10??\x1f?I\x00\x00\x00\x00?\x00\x00\x00\x00\x00\x00\x00?\x00\x00\x00?_N???????7\x1f>?PV\x00\x00\x00\x00?\x00\x00\x00\x00\x00\x00\x00?\x00\x00\x00>?;??\x02?\x0e>\x13\x07?<anj'). Card 124608: Illegal keyword name '>?8J??\x11?' Card '>?8J??\x11?' is not FITS standard (invalid value string: '~ ?5??\x00\x00\x00\x00?\x00\x00\x00\x00\x00\x00\x00?\x00\x00\x00?+d?=??\n??!Y?r??\x00\x00\x00\x00?\x00\x00\x00\x00\x00\x00\x00?\x00\x00\x00???X<???<IG!?*@?'). Card 128964: Card '=????J3N' is not FITS standard (equal sign not at column 8). Card keyword '=????J3n' is not upper case. Illegal keyword name '=????J3N' Card '=????J3N' is not FITS standard (invalid value string: '??=0?`\x00\x00\x00\x00?\x00\x00\x00\x00\x00\x00\x00?\x00\x00\x00??????\x17??\x1f?????s\x00\x00\x00\x00?\x00\x00\x00\x00\x00\x00\x00?\x00\x00\x00??+?????>??????7'). Card 131088: Card keyword '??\x11?>??e' is not upper case. Illegal keyword name '??\x11?>??E' Card '??\x11?>??E' is not FITS standard (invalid value string: "??@Nq??\x1a1N>????\x1f?\x7f?$?^??\x11???ZY?@B'??g\x15?zo[??s\x0f?D\x19????#>?\x1fa?????\x08#o?d?!"). Card 132518: Unprintable string '|h??y@??\r??e?\x1e@Q~??Ul5?Ae?@=???.?B??T?@????s???>???y??>K?n=?zR@\x13PY@\x03?\x18<????&\x14F'; commentary cards may only contain printable ASCII characters Card 133575: Card '?P\x7fC' is not FITS standard (equal sign not at column 8). Illegal keyword name '?P\x7fC' Card '?P\x7fC' is not FITS standard (invalid value string: '??????G?\x14??\x7f??$9@?\x05/?=???>\x11?????\x19?\x0f)?>??????h?????GQZ>???=????\x05? ??\x19[?R\x019'). Card 154186: Card 'D{?SE\x18' is not FITS standard (equal sign not at column 8). Illegal keyword name 'D{?SE\x18' Card 'D{?SE\x18' is not FITS standard (invalid value string: 'D?c????.D??\x03?#\x00??\x0cE{??p???\x05???mu?D=??xD?D_?B?\x00???\x10?CC?G\x1b?/\x04?????E\x02\r%?C??'). Card 210578: Card '??\x00C?N' is not FITS standard (equal sign not at column 8). Illegal keyword name '??\x00C?N' Card '??\x00C?N' is not FITS standard (invalid value string: 'D??f?\x05\x7f]?\x0fc"C?.\x0e?\x02\x08d?D=d???\x1e??3f?\'2\x0f???\x14E\x17?K????D?w+E=t:??U?E!>???n?E(E?'). Card 214222: Card '??\x1dDD\x14' is not FITS standard (equal sign not at column 8). Illegal keyword name '??\x1dDD\x14' Card '??\x1dDD\x14' is not FITS standard (invalid value string: '?6????R?????D?A~C?\t0??g??O?eDa?\x1aE\x07G??\t??E?A|ETi?B?I\n?$?JECz??W??B?>?D?{?'). Card 226452: Card 'C?' is not FITS standard (equal sign not at column 8). Illegal keyword name 'C?' Card 'C?' is not FITS standard (invalid value string: '?c?\x16?tS???y?C ?\x13E\x089\x1cD??x?????\x1c\rP?\x11??D??\x1aEL?yE\x08??CE??E\x05??EN?\x0eD:n?D?qi?+?<CKN\x16'). Note: astropy.io.fits uses zero-based indexing.
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