diff --git a/assets/mods/basegame/weathers/astrum.png b/assets/mods/basegame/weathers/astrum.png
index 79991daaf..d06835a49 100644
--- a/assets/mods/basegame/weathers/astrum.png
+++ b/assets/mods/basegame/weathers/astrum.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9ec7eb2877ef63102abea1d056251a1506c6de31a8ca3f608dc4871005aa4831
-size 1361225
+oid sha256:94ba2f07655f4e9567b7af7ef8dc44c480a16e1191807c8415359508884a55e7
+size 1933801
diff --git a/src/net/torvald/terrarum/weather/WeatherMixer.kt b/src/net/torvald/terrarum/weather/WeatherMixer.kt
index 1b8e3f735..a25637c55 100644
--- a/src/net/torvald/terrarum/weather/WeatherMixer.kt
+++ b/src/net/torvald/terrarum/weather/WeatherMixer.kt
@@ -67,8 +67,9 @@ internal object WeatherMixer : RNGConsumer {
     var forceSolarElev: Double? = null
     var forceTurbidity: Double? = null
 
+    // doesn't work if the png is in greyscale/indexed mode
     val starmapTex: TextureRegion = TextureRegion(Texture(ModMgr.getGdxFile("basegame", "weathers/astrum.png"))).also {
-//        it.texture.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
+        it.texture.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
         it.texture.setWrap(Texture.TextureWrap.Repeat, Texture.TextureWrap.Repeat)
     }
 
@@ -225,7 +226,6 @@ internal object WeatherMixer : RNGConsumer {
         batch.inUse {
             batch.shader = shaderBlendMax
             shaderBlendMax.setUniformi("tex1", 1)
-            shaderBlendMax.setUniformf("screenSize", App.scr.wf, App.scr.hf)
             shaderBlendMax.setUniformf("drawOffset", 0f, gradY)
             shaderBlendMax.setUniformf("drawOffsetSize", App.scr.wf, gH)
             shaderBlendMax.setUniform2fv("skyboxUV1", uvs, 0, 2)
diff --git a/src/shaders/blendSkyboxStars.frag b/src/shaders/blendSkyboxStars.frag
index 917754672..2fafbf84a 100644
--- a/src/shaders/blendSkyboxStars.frag
+++ b/src/shaders/blendSkyboxStars.frag
@@ -13,7 +13,6 @@ out vec4 fragColor;
 
 vec2 boolean = vec2(0.0, 1.0);
 
-uniform vec2 screenSize;
 uniform vec2 drawOffset; // value of the 'gradY'
 uniform vec2 drawOffsetSize; // value of the 'gradH'
 uniform vec2 skyboxUV1; // (u, v) for the skybox drawing
@@ -28,11 +27,11 @@ void main(void) {
     vec2 astrumTexCoord = (v_texCoords * drawOffsetSize + drawOffset + astrumScroll) / tex1Size;
 
 
-    vec4 colorTex0 = texture(u_texture, skyboxTexCoord); // lightmap (RGB) pre-mixed
-    vec4 colorTex1 = texture(tex1, astrumTexCoord); // lightmap (A) pre-mixed
+    vec4 colorTex0 = texture(u_texture, skyboxTexCoord);
+    vec4 colorTex1 = texture(tex1, astrumTexCoord);
 
 
 
-//    fragColor = (max(colorTex0, colorTex1) * boolean.yyyx) + boolean.xxxy;
-    fragColor = colorTex0;
+    fragColor = (max(colorTex0, colorTex1) * boolean.yyyx) + boolean.xxxy;
+//    fragColor = colorTex1;
 }
\ No newline at end of file