Small Magellanic Cloud and 47 Tuc

Sigma 500mm/F4.0 @ F4.0
Nikon D800 (astro-modified)
four-frame mosaic
Total exposure time: 3.2 hr
see <a href="https://astrob.in/393124/B/" rel="noreferrer nofollow">astrob.in/393124/B/</a> for more technical details