diff --git a/star_1.py b/star_1.py
index 7dd7cc7..18d8212 100644
--- a/star_1.py
+++ b/star_1.py
@@ -64,7 +64,7 @@
 bb = synphot.models.BlackBody1D(temperature=5000)
 sp = synphot.SourceSpectrum(synphot.Empirical1D, points=wave, lookup_table=bb(wave))
 src = Source(image_hdu=hdu, spectra=sp)
-dreams.observe(src)
+dreams.observe(src, update=False)
 print("yessss anjali")
 hdus = dreams.readout()
 #dreams.readout(filename="Han.fits")
@@ -85,4 +85,5 @@
     plt.subplot(3, 2, plot_number)
     plt.imshow(hdus[0][hdu_number].data, origin="lower", norm=LogNorm())
     plt.colorbar()
-    plt.show()
+
+plt.show()