[INSTRM-1073] BZERO card is missing in FMS FITS image Created: 10/Sep/20 Updated: 22/Jul/21 |
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| Status: | Open |
| Project: | Instrument control development |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Normal |
| Reporter: | yuki.moritani | Assignee: | Unassigned |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | FITS | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Description |
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ZWO ASI1600 camera used for FMS uses unsigned int, but FITS image doesn't have BZERO card in its header to treat the count correctly. |
| Comments |
| Comment by rhl [ 11/Sep/20 ] |
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Is the high-order bit flipped, but BZERO/BSCALE aren't set, or is the data written as if it were 16-bit signed? |
| Comment by yuki.moritani [ 11/Sep/20 ] |
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The former is the case. |