Optical Image of Sirius A & B
Sirius A is the bright star in the middle of the image. On the right, slightly below Sirius A, is the optically faint white dwarf star, Sirius B. The dim spikes of light are instrumental artifacts.
(Credit: McDonald Observatory)

Scale: Image is 160 by 135 arcsec.

Orbit of Sirius A and B
The relative positions of Sirius A (large filled circle) and Sirius B (small filled circle) in the 50 year orbit are shown. Note that north is down, as opposed to up in the Chandra and optical images.
(Credit: Burnham's Celestial Handbook, 1978, v1, Robert Burnham, Jr.)

Chandra X-ray Image with Scale Bar

Scale bar = 15 arcsec
(Credit: NASA/SAO/CXC)