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v1.6.9 #307

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merged 2 commits into from
Dec 4, 2023
Merged

v1.6.9 #307

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df4fd93
use DEROTOFF for POSANG and WCS
thusser Dec 4, 2023
2421631
v1.6.9
thusser Dec 4, 2023
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10 changes: 8 additions & 2 deletions pyobs/mixins/fitsheader.py
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Expand Up @@ -348,8 +348,14 @@ def v(k: str) -> Any:

# PC matrix: rotation only, shift comes from CDELT1/2
if self._fitsheadermixin_rotation is not None:
hdr["POSANG"] = (self._fitsheadermixin_rotation, "Position angle [deg e of n]")
theta_rad = math.radians(self._fitsheadermixin_rotation)
# position angle is set rotation + DEROTOFF if defined
posang = self._fitsheadermixin_rotation
if "DEROTOFF" in hdr:
posang += hdr["DEROTOFF"]

# write position angle
hdr["POSANG"] = (posang, "Position angle [deg e of n]")
theta_rad = math.radians(posang)
cos_theta = math.cos(theta_rad)
sin_theta = math.sin(theta_rad)
hdr["PC1_1"] = (+cos_theta, "Partial of first axis coordinate w.r.t. x")
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2 changes: 1 addition & 1 deletion pyproject.toml
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@@ -1,7 +1,7 @@
[tool.poetry]
name = "pyobs-core"
packages = [{ include = "pyobs" }]
version = "1.6.8"
version = "1.6.9"
description = "robotic telescope software"
authors = ["Tim-Oliver Husser <[email protected]>"]
license = "MIT"
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