Merge pull request cta-observatory#1235 from cta-observatory/compress…

…ion_zstd9

Use zstd9 compression for R0G files

lstchain/scripts/lstchain_r0_to_r0g.py

@@ -118,7 +118,7 @@ def main():
                     n_tiles=n_tiles,
                     rows_per_tile=rows_per_tile,
                     compression_block_size_kb=64*1024,
-                    defaul_compression="lst"))
+                    defaul_compression="zstd9"))
             stream.open(str(name))
 
             stream.move_to_new_table("DataStream")