3 ms·
Likely a "ghost" caused by a reflection from a bright star somewhere in the instrument: https://www.eso.org/%7Eohainaut/images/imageProc.html https://www.eso.or
by xioxox 2y ago
Likely a "ghost" caused by a reflection from a bright star somewhere in the instrument: https://www.eso.org/%7Eohainaut/images/imageProc.html https://www.eso.org/%7Eohainaut/images/imageProc.html
- moffkalast 2y agoAh that's it! So it does actually show the primary mirror of the telescope, with the hole in the middle probably being the struts holding up the secondary.