From 15beb44aa208a3cd73f1437f0bfe4b5351715c3b Mon Sep 17 00:00:00 2001
From: Daniel D'Avella <drdavella@gmail.com>
Date: Thu, 15 Feb 2018 13:09:12 -0500
Subject: [PATCH] Display axes in summary of NonstandardExtHDU

---
 astropy/io/fits/hdu/base.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/astropy/io/fits/hdu/base.py b/astropy/io/fits/hdu/base.py
index 57ab68a8d8d7..4af52b055a3e 100644
--- a/astropy/io/fits/hdu/base.py
+++ b/astropy/io/fits/hdu/base.py
@@ -1596,7 +1596,8 @@ def match_header(cls, header):
                 xtension not in standard_xtensions)
 
     def _summary(self):
-        return (self.name, self.ver, 'NonstandardExtHDU', len(self._header))
+        axes = tuple(self.data.shape)
+        return (self.name, self.ver, 'NonstandardExtHDU', len(self._header), axes)
 
     @lazyproperty
     def data(self):