January 06, 2020 11:06AM
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Registered: 19 years ago
Posts: 1,989
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Robin: “I don't have an astronomy program at the moment but if anyone does (and has not yet become petrified by all this 'number crunching'), what are the altitudes of the suggested target stars in 2560 BC?”
2560 BC:
Alnitak: 44.69 degs
Alnilam: 44.98 degs
Thuban: 31.36 degs
2555 BC:
Alnitak: 44.71 degs
Alnilam: 45.00 degs
Thuban: 31.39 degs
(upper north shaft: Gantenbrink, 31.20 degs over last 11m; Petrie, 31.55 degs over last 9m)
The north and south shafts probably aligned with the descending passage measured by Smyth as -5’ 45”, but this has a negligible effect on the altitude of the stars in question.
(sighting to the Pole Star, Smyth fixed the latitude of G1 as 29.98083 degs that agrees with Dash’s 29.97918 degs to within 6 arc secs.)
Chris
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Hermione |
December 15, 2019 04:35AM |
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Hermione |
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Hermione |
December 15, 2019 04:43AM |
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Spiros |
December 15, 2019 09:17AM |
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Hermione |
December 15, 2019 11:32AM |
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Hermione |
December 15, 2019 12:16PM |
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Spiros |
December 16, 2019 08:47AM |
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Hermione |
December 20, 2019 12:10PM |
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Spiros |
December 20, 2019 01:03PM |
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Hermione |
December 20, 2019 01:21PM |
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Byrd |
December 23, 2019 03:41PM |
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cladking |
December 23, 2019 05:23PM |
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John B |
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Nemtinakht |
December 26, 2019 09:26PM |
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cladking |
December 26, 2019 09:46PM |
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Nemtinakht |
December 26, 2019 10:17PM |
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cladking |
December 27, 2019 10:59AM |
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Hans |
December 27, 2019 11:28AM |
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Hans |
December 23, 2019 06:10PM |
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Pistol |
December 24, 2019 06:18AM |
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Hans |
December 24, 2019 10:55AM |
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L Cooper |
December 24, 2019 07:39PM |
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cladking |
December 25, 2019 08:29PM |
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robin cook |
December 27, 2019 03:13PM |
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Hans |
December 27, 2019 04:56PM |
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cladking |
December 27, 2019 08:05PM |
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Hans |
December 27, 2019 10:25PM |
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Kanga |
December 27, 2019 10:31PM |
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Spiros |
December 28, 2019 12:35PM |
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robin cook |
December 30, 2019 12:39PM |
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Kanga |
December 31, 2019 11:23PM |
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Kanga |
December 31, 2019 11:29PM |
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Kanga |
December 31, 2019 11:39PM |
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Hermione |
January 01, 2020 02:00PM |
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Kanga |
January 01, 2020 11:44PM |
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Hermione |
January 02, 2020 05:39PM |
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robin cook |
January 01, 2020 08:20PM |
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Kanga |
January 02, 2020 11:03PM |
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robin cook |
January 03, 2020 01:41PM |
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Kanga |
January 04, 2020 07:53AM |
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Kanga |
January 05, 2020 01:22AM |
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Spiros |
January 05, 2020 11:11AM |
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Hermione |
January 06, 2020 10:55AM |
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Hans |
January 06, 2020 11:55AM |
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Spiros |
January 06, 2020 05:18PM |
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Hans |
January 06, 2020 07:11PM |
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robin cook |
January 06, 2020 08:39PM |
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Chris Tedder |
January 06, 2020 11:06AM |
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robin cook |
January 06, 2020 01:30PM |
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Chris Tedder |
January 06, 2020 05:08PM |
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robin cook |
January 08, 2020 08:33PM |
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Chris Tedder |
January 13, 2020 01:37PM |
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Kanga |
January 14, 2020 02:15AM |
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Chris Tedder |
January 14, 2020 10:49AM |
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robin cook |
January 15, 2020 11:53AM |
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Jim Alison |
January 15, 2020 10:27PM |
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Kanga |
January 15, 2020 11:52PM |
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robin cook |
January 17, 2020 07:08AM |
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Jim Alison |
January 17, 2020 04:20PM |
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Chris Tedder |
January 17, 2020 01:23PM |
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Chris Tedder |
January 06, 2020 05:11PM |
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robin cook |
January 06, 2020 09:01PM |
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Byrd |
January 07, 2020 11:44AM |
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robin cook |
January 07, 2020 12:43PM |
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Hans |
January 07, 2020 12:56PM |
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Chris Tedder |
January 07, 2020 05:17PM |
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Hans |
January 08, 2020 12:35AM |
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Chris Tedder |
January 08, 2020 03:20PM |
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M. Williams |
January 09, 2020 12:00AM |
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Hermione |
January 09, 2020 03:39AM |
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Chris Tedder |
January 09, 2020 09:05AM |
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M. Williams |
January 09, 2020 10:50AM |
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Chris Tedder |
January 09, 2020 03:19PM |
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M. Williams |
January 09, 2020 11:42PM |
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Pistol |
January 10, 2020 04:51AM |
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cladking |
January 10, 2020 09:28AM |
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Spiros |
January 11, 2020 09:04PM |
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Spiros |
January 12, 2020 03:17PM |
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Pistol |
January 10, 2020 04:22AM |
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Hans |
January 10, 2020 01:01PM |
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Chris Tedder |
January 07, 2020 01:08PM |
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Mark Heaton |
January 07, 2020 03:25PM |
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Chris Tedder |
January 07, 2020 04:17PM |
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Mark Heaton |
January 07, 2020 07:50PM |
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Kanga |
January 07, 2020 02:14AM |
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Kanga |
January 07, 2020 02:28AM |
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Spiros |
January 02, 2020 09:22PM |
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Spiros |
January 02, 2020 10:35PM |
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Spiros |
January 04, 2020 10:59AM |
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Hans |
January 04, 2020 01:03PM |
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Spiros |
January 04, 2020 01:18PM |
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Hans |
January 04, 2020 01:23PM |
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Spiros |
December 28, 2019 01:49PM |
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Hans |
December 28, 2019 03:17PM |
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Spiros |
December 28, 2019 04:32PM |
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Hans |
December 29, 2019 12:29AM |
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Spiros |
December 31, 2019 03:02PM |
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Kanga |
December 29, 2019 12:16AM |
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Hans |
December 29, 2019 12:31AM |
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Kanga |
December 29, 2019 04:37AM |
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Hans |
January 03, 2020 11:34PM |
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Spiros |
December 25, 2019 06:51PM |
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Kanga |
December 25, 2019 05:09PM |
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GChase |
January 16, 2020 06:34PM |
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GChase |
January 17, 2020 04:16AM |
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GChase |
January 19, 2020 12:07PM |
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Chris Tedder |
January 19, 2020 04:46PM |
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GChase |
January 20, 2020 07:12AM |
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Chris Tedder |
January 20, 2020 01:42PM |
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Spiros |
January 20, 2020 05:49PM |
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Chris Tedder |
January 21, 2020 07:53AM |
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GChase |
January 22, 2020 04:33AM |
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Spiros |
January 25, 2020 02:28PM |