Add LST to header

python/lvmcam/actor/actor.py

@@ -12,6 +12,9 @@
 
 from typing import Any
 
+from astropy.coordinates import EarthLocation
+from astropy.utils.iers import conf
+
 from araviscam import BlackflyCamera, BlackflyCameraSystem
 from basecam import ImageNamer
 from basecam.actor import BaseCameraActor
@@ -25,6 +28,10 @@
 from lvmcam.models import CameraCards, GenicamCards, ScraperParamCards, WCSCards
 
 
+conf.auto_download = False
+conf.iers_degraded_accuracy = "ignore"
+
+
 CWD = pathlib.Path(__file__).parents[1]
 BASE_CAMERA_PARAMS = read_yaml_file(CWD / "etc/lvm.camera_param.agcam.yml")
 
@@ -61,14 +68,18 @@ class LVMCamera(BlackflyCamera):
         fits_model = FITSModel([raw])
         image_namer = ImageNamer(basename=basename, dirname=dirname)
 
-        async def expose(self, *args, **kwargs) -> Exposure:
-            ip = self.camera_params["ip"]
-            delay = int(ip[-1]) / 10 * 3
-            await asyncio.sleep(delay)
+        # LCO
+        location = EarthLocation.from_geodetic(
+            lon=-70.70166667,
+            lat=-29.00333333,
+            height=2282.0,
+        )
 
-            if self.name == "west":
-                await asyncio.sleep(0.5)
+        async def _expose_internal(self, exposure, **kwargs):
+            exposure.obstime.location = self.location
+            return await super()._expose_internal(exposure, **kwargs)
 
+        async def expose(self, *args, **kwargs) -> Exposure:
             return await super().expose(*args, **kwargs)
 
     return LVMCamera

python/lvmcam/models/camera.py

@@ -22,6 +22,12 @@
             value="{__exposure__.camera.telescope}",
             comment="Telescope that took the image",
         ),
+        Card(
+            "LST",
+            value="round(__exposure__.obstime.sidereal_time('mean').value, 6)",
+            comment="[hr] Mean local sidereal time",
+            evaluate=True,
+        ),
         Card(
             "INSTRUME",
             value="LVM",