Update app.py

app.py

@@ -156,7 +156,12 @@ with col_1:
     uploaded_file = st.file_uploader("Choose a FITS file", type=['fits'])
 
 with col_2:
-    example = st.button("Example")
+    st.markdown("# Examples")
+    NGC4649 = st.button("NGC4649")
+    NGC5813 = st.button("NGC5813")
+
+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:
@@ -172,8 +177,7 @@ if uploaded_file is not None:
     col6.subheader("")
     
     with col1:
-        st.markdown("""<style>[data-baseweb="select"] {margin-top: -36px;}</style>""", unsafe_allow_html=True)
-        # st.markdown("<style>{margin-top: -56px;}</style>", unsafe_allow_html=True)
+        st.markdown("""<style>[data-baseweb="select"] {margin-top: -46px;}</style>""", unsafe_allow_html=True)
         max_scale = int(data.shape[0] // 128)
         scale = st.selectbox('Scale:',[f"{(i+1)*128}x{(i+1)*128}" for i in range(max_scale)], label_visibility="hidden")
         scale = int(scale.split("x")[0]) // 128