Chris Tedder Wrote:
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> The opening at the top of the upper south shaft
> was facing an area of the southern sky where, at
> its highest point in the sky due south, the
> distinctive 3-star asterism in the centre of the
> Orion constellation crossed every 24 hours.

As does other stars I suspect

The
> opening at the top of the upper north shaft was
> facing an area of the southern sky where, at its
> highest point in the sky due north, the then Pole
> Star Thuban reached its highest point in the sky
> every 24 hours.
>
> A Pole Star did exist then - it was Thuban, a star
> that came closest to an invisible point in the sky
> we know as the north Celestial Pole (NCP) around
> 2800 BC.

Yes that is what I was referring too

It would have appeared as the only
> stationary point of light in their sky around
> which all other stars appeared to circle. Some
> stars in the northern sky circled Thuban without
> rising or setting and in the Old Kingdom these
> were probably known as the northern imperishable
> stars.

>
> Chris