python - Margins in 2D image plot after adding scatterplot point in Matplotlib -

python - Margins in 2D image plot after adding scatterplot point in Matplotlib -

i trying label points on image, whenever marker on plots coordinate values , margins becomes unnecessarily large. issue here, , there way prepare this?

the image fine. plotted below , seems okay when don't add together plotted point.

imp = plt.imshow(processed[::-1],cmap='gray_r',vmin=1000,vmax=2000) plt.colorbar() plt.figure() imp = plt.imshow(processed[::-1],cmap='gray_r',vmin=1000,vmax=2000) plt.plot(600,400,'*',color='r') plt.colorbar()

large margin around image generated

python image python-2.7 matplotlib astronomy