diff --git a/README.md b/README.md
index 78b1e14..ae8881a 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,12 @@
+> [!IMPORTANT]
+> **This repository has moved.** Since 2026-07-21 it lives on as the
+> `pipeline/` directory of
+> **[astrophotography](https://git.discworld.casa/laurence/astrophotography)**,
+> merged with the iTelescope network reference and campaign. Both histories
+> were preserved.
+>
+> Do new work there, not here.
+
 # astro-pipeline
 
 Processing and analysis code for remote-telescope imaging sessions, starting