Update app.py

app.py

@@ -156,16 +156,16 @@ with col_1:
     uploaded_file = st.file_uploader("Choose a FITS file", type=['fits'])
 
 with col_2:
-    st.markdown("## Examples")
+    st.markdown("### Examples")
     NGC4649 = st.button("NGC4649")
 
 with col_3:
-    st.markdown("## ")
+    st.markdown("<br>", unsafe_allow_html=True)
     NGC5813 = st.button("NGC5813")
 
-if NGC4649: uploaded_file = "NGC4649_example.fits"
-elif NGC5813: uploaded_file = "NGC5813_example.fits"
-    
+# if NGC4649: uploaded_file = "NGC4649_example.fits"
+# elif NGC5813: uploaded_file = "NGC5813_example.fits"
+
 # If file is uploaded, read in the data and plot it
 if uploaded_file is not None:
     with fits.open(uploaded_file) as hdul: