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RE: (meteorobs) Apex of the Earth's way...



Again, I was asking about the apex of the EARTH's way!! :-))

Wayne

----------
From: 	jerry and judy[SMTP:jerbidoc@zianet.com]
Sent: 	Friday, October 16, 1998 9:19 AM
To: 	meteorobs@latrade.com
Subject: 	Re: (meteorobs) Apex of the Earth's way...

>How do I find/calculate the Apex in the sky?
>I know it's ~90 degrees east of the sun...errr west I guess...well anyway
>it's on the somewher on the eastern horizon around midnight, but how can I
>determine the exact location?
>
>Wayne

>In article <jerbidoc-1509981937560001@lc399.zianet.com>,
>jerbidoc@zianet.com (jerry and judy) writes:
>> Our solar system heads clockwise around the galaxy though, or the galaxy
>> rotates clockwise as seen from above(?).  We're heading toward Vega at 440
>> thousand miles an hour.

>Depending on which motions you count, roughly towards Galactic
>longitude 90 latitude 0: RA 21:10 hours, dec +48.1 degrees (B1950).
>Looks closer to Deneb to me.
>  I've just spent five minutes looking
>for the actual apex of solar motion but didn't find it.

Actually Deneb is 5degs southwest and 61 Cygni is 9degs south of the
'ahead-point', which is the plane of the Milky Way.  But relative to this
swarm of revolving stars, our system is is drifting quite sharply in a
different direction toward about 18h 4m 30s.  This is near the border of
Lyra and so Vega is called "the Apex of the Sun's Way".  The opposite
direction is the Antapex or "the Sun's Quit", near Sirius but just across
the border in Columba.

Jerry




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