From dd2ad81a4330e55c28346a76e4ed9b2d52b2ae18 Mon Sep 17 00:00:00 2001
From: Roberto Susino <roberto.susino@inaf.it>
Date: Fri, 28 Jan 2022 14:18:19 +0100
Subject: [PATCH] Update CHANGELOG.md

---
 CHANGELOG.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16207d0..3606919 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,20 @@
 # CHANGELOG
 All changes to the Metis L1 pipeline are documented in this file.
 
+## 3.1  - 2022-01-27
+- Manage the new format of the VL bad-pixel map which now includes the detector reference rows.
+- Fix a bug that caused wrong values in the WCS keywords CTYPE1 and CTYPE2 of UV images.
+- Add management of errors originating from the lack of a mandatory parameter in the input HK table: the pipeline now exits with a non-zero error code.
+- Add management of the predictive Solar Orbiter’s SPICE meta-kernel.
+- Duplicate some Metis specific WCS keywords in the FITS header using more user-friendly names:
+  -	SUNPIX1 = SUN_XCEN and SUNPIX2 = SUN_YCEN
+  -	SCPIX1 = SC_XCEN and SCPIX2 = SC_YCEN
+  -	IOPIX1 = IO_XCEN and IOPIX2 = IO_YCEN
+  -	FSPIX1 = FS_XCEN and FSPIX2 = FS_YCEN
+- Optimize the solo_get_pointing.pro routine in order to also provide coordinates of the spacecraft in the celestial J2000 coordinate frame.
+- Fix a potential bug in the make_bin_table.pro routine.
+- Make changes to better handle the L0 FITS files generated from the new version of Metis OBSW 2.2.0.
+
 ## 3.0 - 2021-07-19
 - Modify the pipeline to manage the new input I/F which includes the full set of Solar Orbiter SPICE kernels and the Metis Calibration Package. In the input file contents.json, the two fields TLS_FILE_NAME and TSC_FILE_NAME are now replaced by the field SPICE_KERNELS providing the path of the Solar Orbiter SPICE kernels folder. The field CAL_PACK_PATH is added to provide the path of the Metis Calibration Package folder.
 - Add the WCS (World Coordinate System) keywords to the FITS header and a set of routines to perform calculation of the instrument boresight parameters and S/C coordinates.
-- 
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