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Changelog

0.5.4 - July 23, 2024

✨ Improved

  • #24 Ensure group write permissions for new files in Docker container.

⚙️ Engineering

  • Format and lint using ruff.
  • Relax Python requirement to >=3.10,<4.

0.5.3 - June 1, 2024

🔧 Fixed

  • Fixed dynamically setting additionalProperties: true in the schama. Apparently something has changed with jsonschema 4.22.0 and now changing the schema in the actor is not sufficient; one must then recreate the validator with the modified schema.

0.5.2 - June 1, 2024

🔧 Fixed

  • Fix comment for keyword REFFILE being too long when the keyword is populated.

0.5.1 - February 12, 2024

✨ Improved

  • Added AIRMASS and GUIDERV keywords to co-add FITS files and data frames.

0.5.0 - February 7, 2024

🚀 New

  • Added RA, DEC, FWHM, ISFSWEEP to the PROC headers, FrameData, and lvmops.agcam_frame. All AG frames are now loaded to the database, not only those associated with an exposure.
  • Focuser now uses a temperature model to estimate the initial best focus.
  • Added adjust-focus and focus-info commands. If a focus sweep has been previously executed, adjust-focus can be used to adjust the focuser position based on the delta temperature between the bench temperature during the focus sweep and the current temperature.

✨ Improved

  • Use inverse standard deviation as weights for the focus spline fit.
  • Focuser now has an option to require the best resulting focus to be in the range of focuser positions tested or it will automatically repeat the focus sweep with a larger step size.

0.4.2 - January 31, 2024

✨ Improved

  • Upgraded astropy to 6.0.0. The docker image now tries (but continues if it fails) to update the astropy-iers-data package before running the actor and internally lvmguider should never try to download IERS data over the internet.

🔧 Fixed

  • Fixed pandas deprecation in lvmguider.extraction.

0.4.1 - November 5, 2023

🔧 Fixed

  • Actually import the corrections command.
  • Use WCS to determine RAMEAS, DECMEAS, PAMEAS in co-added images.
  • Wrap offset_pa in the -180 to 180 range.

0.4.0 - September 28, 2023

In addition to the changes listed under 0.4.0b2, this version provides:

🚀 New

  • #8 Added corrections command.

🔧 Fixed

  • Reported FWHM were actually Gaussian sigmas. This has not been fixed.
  • Improved matching of extracted sources with Gaia DR3.

0.4.0b2 - September 14, 2023

In addition to the changes listed under 0.4.0b1, this version provides:

🚀 New

  • #7 stop command now cancels the guider task for faster performance.

✨ Improved

  • If a single camera fails to match with Gaia during guiding, retry that camera using astrometry.net.
  • Use 25% percentile to calculate the FWHM.

🔧 Fixed

  • The co-add file watcher seemed to skip files. Apparently this happens because some events are detected as a file being moved (from a temporary file to the final .fits.gz file) instead of a file creation. This version handles both kinds of events.
  • Various fixes for the co-added code when dealing with missing data.

0.4.0b1 - September 12, 2023

🚀 New

  • #5 Major refactor of the guider code.
    • Extracted sources are always matched to Gaia DR3 regardless of whether the solution was obtained using astrometry.net or kd-tree. lmag zero points are calculated for each source.
    • Once acquisition is complete the WCS of the individual cameras is determined from the Gaia cross-match, and not by tranlating the reference WCS using the measured offset. This allows each new WCS to also reflect changes in PA.
    • Average zero points and PAs are output.
    • All the metadata is carried out in two dataclasess, CameraSolution and GuiderSolution.
    • The output data model has changed. Former proc- files are now named lvm.{telescope}.guider, and sources are saved as parquet tables. The latter allows to preserve the column types in the presence of missing data.
  • #6 Major improvements to co-adding code. QA plots generated during the co-adding process and the results are loaded to the database.
  • Implemented guiding in rotation/PA.
  • Added script to reprocess all MJDs at LCO and generate co-added products.
  • Added file watcher to generate co-adds during the night. Updated the container image to support running the file watcher as a Kubernetes service.

✨ Improved

  • Improved the sigma clipping of FWHM outliers.

🏷️ Changed

  • Renamed references to "master frame" to "full frame". Coordinates are now referred to as x_ff and y_ff.

0.3.0 - September 1, 2023

🚀 New

  • #3 Plotting of focus sweep and fit data using a cubic spline.
  • #4 Added code to generate co-added frames and QA metrics. This code will probably change significantly before it's used routinely.

✨ Improved

  • Command telescope offsets with more relaxed thresholds for axis errors. Timeout and continue guiding if the offset takes longer than a certain amount of time.
  • Command PlaneWave offsets with more relaxed axis_error and a reasonable timeout to prevent offsets taking long to complete under windy conditions.

0.2.1 - August 20, 2023

✨ Improved

  • Use actor model for lvm.TEL.foc to reduce polling.
  • Round up focus_position.
  • Prevent astropy from downloading data from the internet.

🔧 Fixed

  • Set guider to IDLE`` after stop --now.

0.2.0 - August 14, 2023

✨ Improved

  • #2 Improvements to proc- file and WCS:
    • Set WCSMODE in header.
    • Solve both cameras at the same time.
    • Store WCS for individual images in PROC extension (only for acquisition frames).
    • Add reference frames to proc- file.
    • Update proc- file WCS during guiding using reference WCS and offsets.
    • Fix offsets in header.
  • Take into account the offset of the reference image when guiding.
  • Handle compressed AG images.

🔧 Fixed

  • Fix a cosine of the declination in the calculation of the offsets during guiding, which caused guiding to drift away and revert to acquisition.
  • Fix cases in which the measured position would not be reported.
  • Fix repeated -t flag in expose command.
  • Fix some cases in which the sequence number for the next AG exposure would be off or would use a sequence number for which exposures already existed.

⚙️ Engineering

  • Lint using ruff.

0.1.0 - July 26, 2023

🚀 New

  • Initial version of the guider with functioning focus, acquisition, and guiding routines.