diff --git a/Stars Assistant/ViewModels/BuColViewModel.cs b/Stars Assistant/ViewModels/BuColViewModel.cs
new file mode 100644
index 0000000..5009287
--- /dev/null
+++ b/Stars Assistant/ViewModels/BuColViewModel.cs	
@@ -0,0 +1,27 @@
+using System.Collections.ObjectModel;
+using System.Reactive.Disposables;
+using System.Reactive.Linq;
+
+using ReactiveUI;
+using ReactiveUI.SourceGenerators;
+using Splat;
+
+namespace StarsAssistant.ViewModels;
+
+public partial class BuColViewModel : ViewModelBase, IActivatableViewModel
+{
+    public ViewModelActivator Activator { get; } = new ViewModelActivator();
+
+    public BuColViewModel()
+    {
+        this.WhenActivated((CompositeDisposable disposables) => 
+        {
+            // /* handle activation */
+            // Disposable
+            //     .Create(() => { /* handle deactivation */ })
+            //     .DisposeWith(disposables);
+        });
+    }
+
+    public ObservableCollection<PlanetViewModel> Planets { get; } = PlanetViewModel.LoadAll();
+}
diff --git a/Stars Assistant/ViewModels/MainWindowViewModel.cs b/Stars Assistant/ViewModels/MainWindowViewModel.cs
index fbed864..4e6184f 100644
--- a/Stars Assistant/ViewModels/MainWindowViewModel.cs	
+++ b/Stars Assistant/ViewModels/MainWindowViewModel.cs	
@@ -1,4 +1,4 @@
-using System.Collections.ObjectModel;
+
 using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using ReactiveUI;
@@ -28,8 +28,8 @@ public partial class MainWindowViewModel : ViewModelBase, IActivatableViewModel
             //     .Create(() => { /* handle deactivation */ })
             //     .DisposeWith(disposables);
         });
-    }        
+    }
 
-    public ObservableCollection<PlanetViewModel> Planets { get; } = PlanetViewModel.LoadAll();
+    
 
 }
diff --git a/Stars Assistant/Views/BuColView.axaml b/Stars Assistant/Views/BuColView.axaml
new file mode 100644
index 0000000..809c530
--- /dev/null
+++ b/Stars Assistant/Views/BuColView.axaml	
@@ -0,0 +1,23 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:vm="using:StarsAssistant.ViewModels"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="StarsAssistant.Views.BuColView"
+             x:DataType="vm:BuColViewModel">
+
+
+  <DataGrid x:Name="PlanetsGrid"
+    ItemsSource="{Binding Planets}"
+    IsReadOnly="True" 
+    GridLinesVisibility="All"
+    FrozenColumnCount="1"
+    BorderThickness="1" BorderBrush="Gray">
+    <DataGrid.Columns>
+        <DataGridTextColumn Header="Planet" Binding="{Binding Name}" />
+        <DataGridTextColumn Header="Value" Binding="{Binding Value}" />
+    </DataGrid.Columns>
+  </DataGrid>
+
+</UserControl>
diff --git a/Stars Assistant/Views/BuColView.axaml.cs b/Stars Assistant/Views/BuColView.axaml.cs
new file mode 100644
index 0000000..246a676
--- /dev/null
+++ b/Stars Assistant/Views/BuColView.axaml.cs	
@@ -0,0 +1,25 @@
+using System.Reactive.Disposables;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+using Avalonia.ReactiveUI;
+using ReactiveUI;
+using StarsAssistant.ViewModels;
+
+namespace StarsAssistant.Views;
+
+public partial class BuColView : ReactiveUserControl<BuColViewModel>
+{
+    public BuColView()
+    {
+        /*
+        this.WhenActivated(disposables => 
+        {
+        });
+        */
+
+        this.ViewModel = new BuColViewModel();
+
+        InitializeComponent();
+    }
+}
\ No newline at end of file
diff --git a/Stars Assistant/Views/MainWindow.axaml b/Stars Assistant/Views/MainWindow.axaml
index bcaadb7..2185686 100644
--- a/Stars Assistant/Views/MainWindow.axaml	
+++ b/Stars Assistant/Views/MainWindow.axaml	
@@ -1,8 +1,9 @@
 <Window xmlns="https://github.com/avaloniaui"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:vm="using:StarsAssistant.ViewModels"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:vm="using:StarsAssistant.ViewModels"
+        xmlns:views="clr-namespace:StarsAssistant.Views"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         x:Class="StarsAssistant.Views.MainWindow"
         x:DataType="vm:MainWindowViewModel"
@@ -24,18 +25,8 @@
                 <TextBlock x:Name="DbPath" Grid.Row="0" Grid.Column="1" Margin="0 5" Padding="3"/>
             </Grid>
         </TabItem>
-        <TabItem Header="DataGrid">
-            <DataGrid x:Name="PlanetsGrid"
-                ItemsSource="{Binding Planets}"
-                IsReadOnly="True" 
-                GridLinesVisibility="All"
-                FrozenColumnCount="1"
-                BorderThickness="1" BorderBrush="Gray">
-                <DataGrid.Columns>
-                    <DataGridTextColumn Header="Planet" Binding="{Binding Name}" />
-                    <DataGridTextColumn Header="Value" Binding="{Binding Value}" />
-                </DataGrid.Columns>
-            </DataGrid>
+        <TabItem Header="BuCol">
+            <views:BuColView />
         </TabItem>
     </TabControl>
 </Window>