Docking to altimeter fixed.

CriticalTemperatureGauge/Altimeter.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using KSP.UI.Screens.Flight;
+using UnityEngine;
+
+namespace CriticalTemperatureGauge
+{
+	public class Altimeter
+	{
+		public Altimeter()
+		{
+			var altitudeTumbler = GameObject.FindObjectOfType<KSP.UI.Screens.Flight.AltitudeTumbler>();
+			_altimeterPanel = altitudeTumbler.gameObject.transform.parent.parent.gameObject;
+			_screenCenter = Screen.width / 2f;
+		}
+
+		public float Scale => _altimeterPanel.transform.lossyScale.y;
+
+		public Vector2 DockPosition
+		{
+			get
+			{
+				var position = _altimeterPanel.transform.position;
+				var x = ShiftX + position.x;
+				var y = ShiftY - position.y + (Height - Margin) * Scale;
+				return new Vector2(x, y);
+			}
+		}
+
+		readonly GameObject _altimeterPanel;
+		readonly float _screenCenter;
+
+		const float ShiftX = 840;
+		const float ShiftY = 525;
+		const float Height = 82.5f;
+		const float Margin = 8.5f;
+	}
+}

CriticalTemperatureGauge/CriticalTemperatureGauge.csproj

@@ -57,6 +57,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Altimeter.cs" />
     <Compile Include="Wrappers\ClickThroughBlocker.cs" />
     <Compile Include="Extensions.cs" />
     <Compile Include="Flight.cs" />

CriticalTemperatureGauge/GaugeWindow.cs

@@ -31,24 +31,23 @@ public class GaugeWindow : Window
 
 		const float FontSize = 14;
 
-		protected override GUISkin Skin => GUI.skin;
+		readonly Altimeter _altimeter = new Altimeter();
 
-		float AltimeterScale => GameSettings.UI_SCALE * GameSettings.UI_SCALE_ALTIMETER;
-		float Scale => AltimeterScale * Static.Settings.GaugeWindowScale;
+		protected override GUISkin Skin => GUI.skin;
 
-		Vector2 DockPosition => new Vector2(Screen.width / 2, AltimeterScale * 83);
+		float Scale => _altimeter.Scale * Static.Settings.GaugeWindowScale;
 
 		protected override Vector2? ConstWindowPosition =>
 			Static.Settings.DockGaugeWindow || Static.Settings.LockGaugeWindow
-				? (Static.Settings.DockGaugeWindow ? DockPosition : Static.Settings.GaugeWindowPosition) +
+				? (Static.Settings.DockGaugeWindow ? _altimeter.DockPosition : Static.Settings.GaugeWindowPosition) +
 					Scale * WindowSize.x / 2 * Vector2.left
 				: (Vector2?)null;
 
 		protected override Vector2? ConstWindowSize => Scale * WindowSize;
 
 		protected override Rect InitialWindowRectangle =>
 			new Rect(
-				DockPosition - new Vector2(Scale * 120, 0),
+				_altimeter.DockPosition - new Vector2(Scale * 120, 0),
 				ConstWindowSize.Value);
 
 		/// <summary>Creates the temperature gauge window.</summary>
@@ -59,7 +58,7 @@ public GaugeWindow()
 		protected override void OnWindowRectUpdated()
 		{
 			Static.Settings.GaugeWindowPosition = Static.Settings.DockGaugeWindow
-				? DockPosition
+				? _altimeter.DockPosition
 				: WindowRectangle.position + Scale * WindowSize.x / 2 * Vector2.right;
 		}
 

CriticalTemperatureGauge/Properties/AssemblyInfo.cs

@@ -32,7 +32,7 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.12.0.0")]
+[assembly: AssemblyVersion("1.12.3.0")]
 
 // Use KSPAssembly to allow other DLLs to make this DLL a dependency in a 
 // non-hacky way in KSP.  Format is (AssemblyProduct, major, minor), and it 

GameData/CriticalTemperatureGauge/CriticalTemperatureGauge.version

@@ -12,14 +12,14 @@
   {
     "MAJOR": 1,
     "MINOR": 12,
-    "PATCH": 0,
+    "PATCH": 3,
     "BUILD": 0
   },
   "KSP_VERSION":
   {
     "MAJOR": 1,
     "MINOR": 12,
-    "PATCH": 0
+    "PATCH": 3
   },
   "KSP_VERSION_MIN":
   {