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## Bug #902

closed

### Problem with high-order .ahead and rotated fields

Status:
Closed
Priority:
Normal
Start date:
10/18/2017
Due date:
12/10/2018
% Done:

100%

Estimated time:
2.00 h
Spent time:

Description

Trying to scamp HSC images, I produced a .ahead including 2nd order terms (attached) to deal with the large field of view.
Then I scamped a number of HSC catalogs. Some were rotated by 90 deg.
The solution for the non-rotated images is great. But for the rotated images, the distortion maps show that the solution is completely wrong.

A small sample of files can be found on dance09 in:
/raid/hbouy/hsc/small_list.txt

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