[MR] Northern Regional Badge Polling
Richard Mowbray
syrrichard at yahoo.com
Tue Feb 15 08:44:04 PST 2005
I didn't add anything to anything. That was directly cut and pasted
from a google search.
Thanks for your time, "JAMD".
--- "David W.James" <vnend at adelphia.net> wrote:
> On Feb 14, 2005, at 11:10 PM, Richard Mowbray wrote:
> > Orion... Perhaps second only to the Big Dipper in Ursa Major, the
> > constellation of Orion is one of the most recognizable patterns of
> > stars in the northern sky. ...
> > www.astro.wisc.edu/~dolan/ constellations/constellations/Orion.html
> -
> > 5k -
>
> > Sounds like north to me.
>
> > Richard
>
> If you read a little further (note that you added a space before the
>
> first 'constellations'):
>
> "From the northern hemisphere, the three bright stars (Alnitak,
> Alnilam and Mintaka) in a straight line that form Orion's Belt are
> easily visible on the southern horizon in winter evenings."
>
> I will note that one of the most striking of the summer
> constellations, Scorpius, can also be seen from much of the northern
> hemisphere (and definitely from all of Atlantia) low on the southern
> horizon, but that also does not make it a 'northern' constellation.
> (And with a declination of -40 degrees, any such attempts would be
> pretty silly.)
>
> So, as you might think, if the constellation is 'on the southern
> horizon' when seen from the north, then it isn't necessarily a
> 'northern' constellation, even if it is visible from there. If you
> go
> to one of the other links on that page:
>
> http://www.astro.wisc.edu/~dolan/constellations/skycharts/ori.gif
>
> You will be presented with a map of a small part of the heavens
> centered on Orion. To the upper right of Orion you will find Taurus.
>
> Note the red line passing through Taurus and above (north) of Orion;
> this is the ecliptic; the path the sun appears to take against the
> stars as the Earth orbits it. As Orion is below the ecliptic, and
> south of the signs of the zodiac, when writing in persona I would
> refer
> to it as a 'southern' constellation. Not writing in persona, note
> the
> light blue line that passes just above Orion's belt. This is the
> line
> above the equator on the equinoxes (Sept and April), known as the
> celestial equator. You will note that Orion sits astride this line,
> making it an equatorial constellation in the purest sense. A
> constellation's 'center' is determined using its entire expanse,
> which
> in the case of Orion includes sections above it (the raised arm and
> the
> shield) that most people do not realize are (or recognize as) part of
>
> the same figure. Due to this inclusion the 'center' of the
> constellation is modernly considered to be 5 degrees above the
> celestial equator, so it is, technically, a 'northern' constellation.
>
> But if one considers the portion that most people recognize as
> 'Orion',
> the balance would tip south of it.
>
> I would note that Orion's belt is south of the equatorial line,
> making
> the belt, just as technically, 'southern'.
>
> All technicalities aside, Orion, while visible from the 'northern
> hemisphere' is not a constellation known for its 'northness', and
> therefore is not a prime choice for a symbol of Atlantia's Northern
> Region.
>
> Getting back to period perceptions, if your library has a copy of
> Peter Whitfield's "The Mapping of the Heavens" (ISBN 0-7123-0402-9),
> note the illustration of the constellation on page 74, a woodcut from
>
> Gallucci's _Theatrum Mundi_, from 1588. Gallucci draws Orion
> (reversed
> from the way we usually see it drawn today, but typical of period
> representations) but in particular note that he draws the lines
> converging below the figure; clearly Gallucci considered it a
> southern
> figure; note his depiction of Bootes, directly above it, has the
> opposite convergence, as you would expect for a more northerly
> grouping.
>
> Note also that on Apian's star chart (page 73) from 1540 Orion is
> completely absent. On Honter's (facing page), from 1541 Orion is
> present, but, again, in the far south. Orion is missing from Durer's
>
> star chart from 1515, reproduced on page 71 (which, Whitfield claims,
>
> was the first printed star chart.) It is missing as well from both
> the
> Vienna Manuscript, c.1440 (p. 68) and Aratus's map (page 32.)
>
> I think this makes it clear that it was not generally considered an
> attribute of the northern sky by folks in period.
>
> David/Kwellend-Njal
> (AAVSO logs my observations as 'JAMD'. Kwellend-Njal just knows
> that,
> as a traveler, a knowledge of the night sky is invaluable.)
>
>
>
>
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