Yeah you are right maybe it's a bit high.
I'll take another shot later.

Or maybe it's to compensate for the ballistic fall of shot/soul. What's the range?Lol

The aperture's about right, as viewed from the bottom.

As Audrey says it depends how far down the passage you stand.

Quick calculation suggests, that if you stand about here, wider field of view, you'll just see be able to see it in the top right corner.



Here's a better bore sight shot from the bottom. No corrections or deflections. Lol.
Yellow lines to the right, are at 20 and 25ish.
So about five degrees off in elevation and a couple or three in azimuth.
Perhaps they were aiming for a black hole. :)
Audrey.. Do the stars track from bottom right to top left?








Edited 7 time(s). Last edit at 22-Feb-17 10:39 by Jon Ellison.