Custos Messium - Revision history

Sushoff at 09:42, 15 December 2025

2025-12-15T09:42:25Z

← Older revision		Revision as of 09:42, 15 December 2025
Line 140:		Line 140:

	The only star brighter than 4th magnitude in Custos Messium is 50 Cas (HIP 9598, HD 12216) a V=3.95 magnitude A2V main sequence star at distance 48 parsecs.		The only star brighter than 4th magnitude in Custos Messium is 50 Cas (HIP 9598, HD 12216) a V=3.95 magnitude A2V main sequence star at distance 48 parsecs.
	~~[[File:CustosMessium Screenshot 2025-12-15 110712.png\|thumb\|Custos Messium stickfigure in Sky Culture Maker (Dec. 2025), CC BY Youla Azkarrula.]]~~

	==== Stars within the Constellation Area ====		==== Stars within the Constellation Area ====
			[[File:CustosMessium Screenshot 2025-12-15 110712.png\|thumb\|Custos Messium stickfigure in Sky Culture Maker (Dec. 2025), CC BY Youla Azkarrula.]]
	This table is an output by our newly developed "Sky Culture Maker" tool. It automatically computes the convex hull of a stick figure and then extracts all stars from the [[Naked Eye Catalog\|Naked Eye (star) Catalog]] (NEC) that are inside these boundaries. The routine of extraction works; but the display of the hull on the map is still buggy.		This table is an output by our newly developed "Sky Culture Maker" tool. It automatically computes the convex hull of a stick figure and then extracts all stars from the [[Naked Eye Catalog\|Naked Eye (star) Catalog]] (NEC) that are inside these boundaries. The routine of extraction works; but the display of the hull on the map is still buggy.
	{\| class="wikitable sortable mw-collapsible"		{\| class="wikitable sortable mw-collapsible"

Sushoff: /* Stars within the Constellation Area */

2025-12-15T09:38:12Z

Stars within the Constellation Area

← Older revision		Revision as of 09:38, 15 December 2025
Line 143:		Line 143:

	==== Stars within the Constellation Area ====		==== Stars within the Constellation Area ====
			This table is an output by our newly developed "Sky Culture Maker" tool. It automatically computes the convex hull of a stick figure and then extracts all stars from the [[Naked Eye Catalog\|Naked Eye (star) Catalog]] (NEC) that are inside these boundaries. The routine of extraction works; but the display of the hull on the map is still buggy.
	{\| class="wikitable sortable mw-collapsible"		{\| class="wikitable sortable mw-collapsible"
	\|+		\|+

Sushoff at 09:32, 15 December 2025

2025-12-15T09:32:23Z

← Older revision		Revision as of 09:32, 15 December 2025
Line 140:		Line 140:

	The only star brighter than 4th magnitude in Custos Messium is 50 Cas (HIP 9598, HD 12216) a V=3.95 magnitude A2V main sequence star at distance 48 parsecs.		The only star brighter than 4th magnitude in Custos Messium is 50 Cas (HIP 9598, HD 12216) a V=3.95 magnitude A2V main sequence star at distance 48 parsecs.
			[[File:CustosMessium Screenshot 2025-12-15 110712.png\|thumb\|Custos Messium stickfigure in Sky Culture Maker (Dec. 2025), CC BY Youla Azkarrula.]]

	==== Stars within the Constellation Area ====		==== Stars within the Constellation Area ====

Sushoff: /* Stars inside the Constellation Area */

2025-12-15T09:30:09Z

Stars inside the Constellation Area

Show changes

Sushoff at 11:14, 14 December 2025

2025-12-14T11:14:28Z

← Older revision		Revision as of 11:14, 14 December 2025
Line 1:		Line 1:
	This constellation was invented in Early Modern Time by the French astronomer Joseph Jérôme de Lalande (1732–1807). Custos Messium is recognized as an 'extinct constellation' that fell into obscurity after the early 19th century.		This constellation was invented in Early Modern Time by the French astronomer Joseph Jérôme de Lalande (1732–1807). Custos Messium is recognized as an 'extinct constellation' that fell into obscurity after the early 19th century.

	==Etymology ~~and~~ History==		==Concordance, Etymology, History==

	=== Origin of Constellation ===		=== Origin of Constellation ===

Sushoff at 11:12, 14 December 2025

2025-12-14T11:12:37Z

← Older revision		Revision as of 11:12, 14 December 2025
Line 166:		Line 166:

	[[Category:Eurasia]] [[Category:Constellation]] [[Category:European]] [[Category:Modern]]		[[Category:Eurasia]] [[Category:Constellation]] [[Category:European]] [[Category:Modern]]
			[[Category:Cam]][[Category:Cas]]

Sushoff at 10:55, 14 December 2025

2025-12-14T10:55:32Z

← Older revision		Revision as of 10:55, 14 December 2025
Line 144:		Line 144:
	File:Custos messium.jpg\|Custos Messium in Bode (1782)		File:Custos messium.jpg\|Custos Messium in Bode (1782)
	File:Bode custom rengifer.jpg\|Custos Messium in Bode (1801)		File:Bode custom rengifer.jpg\|Custos Messium in Bode (1801)
	File:Illustration from the Library of Congress, digitally enhanced by rawpixel-com 95.jpg\|Sidney Hall’s (1831)		File:Young1807 Custos-hi.JPG\|Custos Messium as Vineyard Keeper in Young (1807): A Course of Lectures on Natural Philosophy and the Mechanical Arts.
			File:Illustration from the Library of Congress, digitally enhanced by rawpixel-com 95.jpg\|Sidney Hall’s (1831)
	File:Custos Messium and Rangifer Constellation Position.jpg\|Custos Messium and Rangifer Constellation Position on a modern map (CC BY Ultima Thulean, SA)		File:Custos Messium and Rangifer Constellation Position.jpg\|Custos Messium and Rangifer Constellation Position on a modern map (CC BY Ultima Thulean, SA)
	</gallery>		</gallery>

Sushoff: /* Transfer and Transformation of the Constellation */

2025-12-14T10:53:44Z

Transfer and Transformation of the Constellation

← Older revision		Revision as of 10:53, 14 December 2025
Line 13:		Line 13:

	=== Stars inside the Constellation Area ===		=== Stars inside the Constellation Area ===
			[[File:Custos Messium and Rangifer Constellation Position.jpg\|thumb\|Custos Messium and Rangifer Constellation Position on a modern map (CC BY Ultima Thulean, SA)]]
	Some of the naked eye stars within the region of sky covered by Custos Messium include (in order of apparent V magnitude):		Some of the naked eye stars within the region of sky covered by Custos Messium include (in order of apparent V magnitude):
	{\| class="wikitable"		{\| class="wikitable"
Line 140:		Line 141:

	=== Transfer and Transformation of the Constellation ===		=== Transfer and Transformation of the Constellation ===
	~~The name "~~Custos" (~~Latin for "''guard''"~~) ~~has been proposed as a proper name for a star~~ in the ~~vicinity~~ of Custos Messium ~~to be discussed by WGSN~~.		<gallery>
			File:Custos messium.jpg\|Custos Messium in Bode (1782)
			File:Bode custom rengifer.jpg\|Custos Messium in Bode (1801)
			File:Illustration from the Library of Congress, digitally enhanced by rawpixel-com 95.jpg\|Sidney Hall’s (1831)
			File:Custos Messium and Rangifer Constellation Position.jpg\|Custos Messium and Rangifer Constellation Position on a modern map (CC BY Ultima Thulean, SA)
			</gallery>

	== Mythology ==		== Mythology ==
	no mythology.		no mythology.

			== IAU Working Group on Star Names ==
			The name "Custos" (Latin for "''guard''") has been proposed as a proper name for a star in the vicinity of Custos Messium to be discussed by WGSN.

	== Weblinks ==		== Weblinks ==

Sushoff: /* Origin of Constellation */

2025-12-14T10:38:46Z

Origin of Constellation

← Older revision		Revision as of 10:38, 14 December 2025
Line 10:		Line 10:
	Lalande chose this previously anonymous area of sky because it was here that the [https://books.google.co.uk/books?id=Umxbb68tmZMC&lpg=PA461&ots=QII3PM4hTf&dq=c%2F1774%20P1%20montaigne&pg=PA461#v=onepage&q=c%2F1774%20P1%20montaigne&f=false comet of 1774 (now known as C/1774 P1)] was first seen. The comet was extensively observed by Messier but, ironically, was not discovered by him – the discoverer in this case was actually another Frenchman, Jacques Laibats-Montaigne (1716–88).		Lalande chose this previously anonymous area of sky because it was here that the [https://books.google.co.uk/books?id=Umxbb68tmZMC&lpg=PA461&ots=QII3PM4hTf&dq=c%2F1774%20P1%20montaigne&pg=PA461#v=onepage&q=c%2F1774%20P1%20montaigne&f=false comet of 1774 (now known as C/1774 P1)] was first seen. The comet was extensively observed by Messier but, ironically, was not discovered by him – the discoverer in this case was actually another Frenchman, Jacques Laibats-Montaigne (1716–88).

	The British scientist Thomas Young (1773–1829) renamed the figure the Vineyard Keeper on his chart of the northern hemisphere sky published in 1807 in A Course of Lectures on Natural Philosophy and the Mechanical Arts, but even this was not enough to broaden its appeal and it withered into obscurity.</blockquote>John Barentine ~~has a chapter on Custos Messium in Chapter 7 of his~~ 2016 ~~book~~ "The Lost Constellations: A History of Obsolete, Extinct, or Forgotten Star Lore." Figure 8.10 of his book shows Custos Messium outlined in a modern star map.		The British scientist Thomas Young (1773–1829) renamed the figure the Vineyard Keeper on his chart of the northern hemisphere sky published in 1807 in A Course of Lectures on Natural Philosophy and the Mechanical Arts, but even this was not enough to broaden its appeal and it withered into obscurity.</blockquote>John Barentine (2016),<ref>John Barentine (2016), "The Lost Constellations: A History of Obsolete, Extinct, or Forgotten Star Lore.", Springer</ref> has a chapter on Custos Messium in Chapter 7, Figure 8.10 of his book shows Custos Messium outlined in a modern star map.

	=== Stars inside the Constellation Area ===		=== Stars inside the Constellation Area ===

Sushoff at 10:36, 14 December 2025

2025-12-14T10:36:17Z

← Older revision		Revision as of 10:36, 14 December 2025
Line 12:		Line 12:
	The British scientist Thomas Young (1773–1829) renamed the figure the Vineyard Keeper on his chart of the northern hemisphere sky published in 1807 in A Course of Lectures on Natural Philosophy and the Mechanical Arts, but even this was not enough to broaden its appeal and it withered into obscurity.</blockquote>John Barentine has a chapter on Custos Messium in Chapter 7 of his 2016 book "The Lost Constellations: A History of Obsolete, Extinct, or Forgotten Star Lore." Figure 8.10 of his book shows Custos Messium outlined in a modern star map.		The British scientist Thomas Young (1773–1829) renamed the figure the Vineyard Keeper on his chart of the northern hemisphere sky published in 1807 in A Course of Lectures on Natural Philosophy and the Mechanical Arts, but even this was not enough to broaden its appeal and it withered into obscurity.</blockquote>John Barentine has a chapter on Custos Messium in Chapter 7 of his 2016 book "The Lost Constellations: A History of Obsolete, Extinct, or Forgotten Star Lore." Figure 8.10 of his book shows Custos Messium outlined in a modern star map.

	=== Stars inside the Constellation ===		=== Stars inside the Constellation Area ===
	Some of the naked eye stars within the region of sky covered by Custos Messium include (in order of apparent V magnitude):		Some of the naked eye stars within the region of sky covered by Custos Messium include (in order of apparent V magnitude):
	{\| class="wikitable"		{\| class="wikitable"
Line 136:		Line 136:
	\|}		\|}

	*

	The only star brighter than 4th magnitude in Custos Messium is 50 Cas (HIP 9598, HD 12216) a V=3.95 magnitude A2V main sequence star at distance 48 parsecs.		The only star brighter than 4th magnitude in Custos Messium is 50 Cas (HIP 9598, HD 12216) a V=3.95 magnitude A2V main sequence star at distance 48 parsecs.

← Older revision		Revision as of 10:55, 14 December 2025
Line 144:		Line 144:
	File:Custos messium.jpg\|Custos Messium in Bode (1782)		File:Custos messium.jpg\|Custos Messium in Bode (1782)
	File:Bode custom rengifer.jpg\|Custos Messium in Bode (1801)		File:Bode custom rengifer.jpg\|Custos Messium in Bode (1801)
	File:Illustration from the Library of Congress, digitally enhanced by rawpixel-com 95.jpg\|Sidney Hall’s (1831)		File:Young1807 Custos-hi.JPG\|Custos Messium as Vineyard Keeper in Young (1807): A Course of Lectures on Natural Philosophy and the Mechanical Arts.
			File:Illustration from the Library of Congress, digitally enhanced by rawpixel-com 95.jpg\|Sidney Hall’s (1831)
	File:Custos Messium and Rangifer Constellation Position.jpg\|Custos Messium and Rangifer Constellation Position on a modern map (CC BY Ultima Thulean, SA)		File:Custos Messium and Rangifer Constellation Position.jpg\|Custos Messium and Rangifer Constellation Position on a modern map (CC BY Ultima Thulean, SA)
	</gallery>		</gallery>