License annotation for M-type star texture

CelestiaProject · Feb 2, 2024 · 8241b5d · 8241b5d
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diff --git a/README b/README
@@ -62,8 +62,13 @@ Texture maps
 
    Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.
 
-   M star texture based on images from the Swedish Solar Telescope:
-      https://www.isf.astro.su.se/
+   M star texture based on images from the Swedish 1-m Solar Telescope (SST),
+   operated by the Institute for Solar Physics:
+      https://ttt.astro.su.se/isf/gallery/
+
+   The observers for the individual images used are Oddbjorn Engvold, Jun Elin Wiik,
+   Luc Rouppe van der Voort (Oslo); Dan Kiselman, Mats Löfdahl, Göran Scharmer, Kai Langhans, Mats Löfdahl (ISP)
+
    T star texture derived from a fictional texture by John Van Vliet
 
    Mercury:

diff --git a/textures/hires/mstar.jpg.license b/textures/hires/mstar.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2021 FarGetaNik <https://www.deviantart.com/fargetanik>
+
+SPDX-License-Identifier: CC-BY-NC-SA-3.0
diff --git a/textures/lores/mstar.jpg.license b/textures/lores/mstar.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2021 FarGetaNik <https://www.deviantart.com/fargetanik>
+
+SPDX-License-Identifier: CC-BY-NC-SA-3.0
diff --git a/textures/medres/mstar.jpg.license b/textures/medres/mstar.jpg.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2021 FarGetaNik <https://www.deviantart.com/fargetanik>
+
+SPDX-License-Identifier: CC-BY-NC-SA-3.0