Abbasid Astrolabe - Revision history

imported>Darman36 at 00:00, 3 December 2025

2025-12-03T00:00:24Z

← Older revision		Revision as of 02:00, 3 December 2025
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	{{Era\|Technology}}		{{Era\|Technology}}
	~~{{Spoilerhd\|3 December 2025\|[[Discovery Tour: Medieval Baghdad]]}}~~
	{{Conjecture}}		{{Conjecture}}
	{{Youmay\|the instrument itself\|the [[The Astrolabe\|memory]]}}		{{Youmay\|the instrument itself\|the [[The Astrolabe\|memory]]}}

imported>Gener4l Cl4ank4 at 17:44, 8 November 2025

2025-11-08T17:44:27Z

← Older revision		Revision as of 19:44, 8 November 2025
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	==References==		==References==
	{{Reflist}}		{{Reflist}}
			[[Category:Objects]]

imported>Soranin: /* History */

2025-11-08T16:45:19Z

History

← Older revision		Revision as of 18:45, 8 November 2025
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	==History==		==History==
	[[File:DTMB - Astrolabe ready for calibration.png\|thumb\|250px\|left\|The Astrolabe ready for calibration]]		[[File:DTMB - Astrolabe ready for calibration.png\|thumb\|250px\|left\|The Astrolabe ready for calibration]]
	After a treasure trove was buried outside Baghdad, the Astrolabe used to mark its location relative to the seasonal celestial bodies was disassembled into its nine pieces.<ref name="Introduction"/> Though separated, the components were still held in high regard, with even a [[Byzantine Empire]] ambassador selecting a piece a gift prepared for the [[Caliph]]. That piece was obtained by the Hidden One posing as an assistant to the market inspector and switching it out for camphor powder, a highly desirable gift so as to avoid a diplomatic incident.<ref name="Byzantine">''[[Discovery Tour: Medieval Baghdad]]'' – [[Byzantine Ambassador]]</ref> The Caliph, in return, gifted the ambassador with a tiraz, an item coveted by an art collector that offered an astrolabe piece to the Brotherhood in exchange for it. Intercepting a thief that had managed to get away with one of the ambassador's crates, the Hidden One got the tiraz and made the trade with the collector.<ref name="Water">''[[Discovery Tour: Medieval Baghdad]]'' – [[Water, Water Everywhere]]</ref>		After a treasure trove was buried outside Baghdad, the Astrolabe used to mark its location relative to the seasonal celestial bodies was disassembled into its nine pieces.<ref name="Introduction"/> Though separated, the components were still held in high regard, with even a [[Byzantine Empire]] ambassador selecting a piece as a gift prepared for the [[Caliph]]. That piece was obtained by the Hidden One posing as an assistant to the market inspector and switching it out for camphor powder, a highly desirable gift so as to avoid a diplomatic incident.<ref name="Byzantine">''[[Discovery Tour: Medieval Baghdad]]'' – [[Byzantine Ambassador]]</ref> The Caliph, in return, gifted the ambassador with a tiraz, an item coveted by an art collector that offered an astrolabe piece to the Brotherhood in exchange for it. Intercepting a thief that had managed to get away with one of the ambassador's crates, the Hidden One got the tiraz and made the trade with the collector.<ref name="Water">''[[Discovery Tour: Medieval Baghdad]]'' – [[Water, Water Everywhere]]</ref>

	Other high-profile individuals that had managed to acquire a piece of the Astrolabe included an expert in navigation at the House of Wisdom,<ref name="Astrolabe">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Astrolabe]]</ref> a teacher at a notable school for qiyan,<ref name="Music">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Music of the Garden]]</ref> one of the Caliph's wives,<ref name="Caliph">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Caliph, the Thief, his Wife, and her Baby]]</ref> and the heir apparent.<ref name="Dinner">''[[Discovery Tour: Medieval Baghdad]]'' – [[Dine Like a Prince]]</ref> The {{Wiki\|umm al-walad}} and teacher both approached the Hidden Ones, offering their pieces in exchange for their help in solving their respective problems.<ref name="Caliph"/><ref name="Music"/> The piece belonging to the heir apparent was stealthily stolen during a dinner at the [[Prince's Palace]],<ref name="Dinner"/> while the navigation expert relinquished his piece when the Hidden One sent to retrieve it proved themselves a "like-minded scholar".<ref name="Astrolabe"/>		Other high-profile individuals that had managed to acquire a piece of the Astrolabe included an expert in navigation at the House of Wisdom,<ref name="Astrolabe">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Astrolabe]]</ref> a teacher at a notable school for qiyan,<ref name="Music">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Music of the Garden]]</ref> one of the Caliph's wives,<ref name="Caliph">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Caliph, the Thief, his Wife, and her Baby]]</ref> and the heir apparent.<ref name="Dinner">''[[Discovery Tour: Medieval Baghdad]]'' – [[Dine Like a Prince]]</ref> The {{Wiki\|umm al-walad}} and teacher both approached the Hidden Ones, offering their pieces in exchange for their help in solving their respective problems.<ref name="Caliph"/><ref name="Music"/> The piece belonging to the heir apparent was stealthily stolen during a dinner at the [[Prince's Palace]],<ref name="Dinner"/> while the navigation expert relinquished his piece when the Hidden One sent to retrieve it proved themselves a "like-minded scholar".<ref name="Astrolabe"/>

imported>Darman36: /* Behind the scenes */

2025-11-07T23:57:07Z

Behind the scenes

← Older revision		Revision as of 01:57, 8 November 2025
Line 33:		Line 33:

	==Behind the scenes==		==Behind the scenes==
	This astrolabe defies traditional manufacturing practices in ways that realistically would have rendered it unusable. First, its star pointers are seemingly attached directly to the limb rather than being part of the rete, the rotatable overlay that represents the horizon and is used to locate astronomical entities. As well, the sickle-shaped piece and the two crossbeams that appear to hold the limb and ecliptic circle serve no function, as the actual device was held together only by a central pin and instead obstruct potential reading space of the device's front. This is then further occluded by the ecliptic ring, which has a plate added to its back when it should only be		This astrolabe defies traditional manufacturing practices in ways that realistically would have rendered it unusable. First, its star pointers are seemingly attached directly to the limb rather than being part of the rete, the rotatable overlay that represents the horizon and is used to locate astronomical entities. As well, the sickle-shaped piece and the two crossbeams that appear to hold the limb and ecliptic circle serve no function, as the actual device was held together only by a central pin and instead obstruct potential reading space of the device's front. This is then further occluded by the ecliptic ring, which has a plate added to its back when it should only be an unfilled ring.

	Perhaps most glaringly, its tympanum, the flat plate against which the measurements are taken, is uncharacteristically blank. A proper plate would have the regional constellations engraved in a {{Wiki\|stereographic map projection}} that used the {{Wiki\|horizontal coordinate system}}. These plates were interchangeable with ones included as separate accessories that displayed different star arrangements should observers change their latitude. However, if the device was meant for a single use in a specific locale, as is the case with the above instrument, the celestial markings would not be made in a replaceable plate but would be carved directly onto the the ''mater'', which has not been done.<ref name="Museum"/>		Perhaps most glaringly, its tympanum, the flat plate against which the measurements are taken, is uncharacteristically blank. A proper plate would have the regional constellations engraved in a {{Wiki\|stereographic map projection}} that used the {{Wiki\|horizontal coordinate system}}. These plates were interchangeable with ones included as separate accessories that displayed different star arrangements should observers change their latitude. However, if the device was meant for a single use in a specific locale, as is the case with the above instrument, the celestial markings would not be made in a replaceable plate but would be carved directly onto the the ''mater'', which has not been done.<ref name="Museum"/>

imported>Darman36: Minor cleaning, added BTS. Will clean more tmrw. Also note that, like Noob, Joey, etc. this apprentice has no defined gender presentation

2025-11-07T23:55:33Z

Minor cleaning, added BTS. Will clean more tmrw. Also note that, like Noob, Joey, etc. this apprentice has no defined gender presentation

← Older revision		Revision as of 01:55, 8 November 2025
Line 5:		Line 5:
	{{Quote\|It is said that this Astrolabe will guide the bearer on a path to an invaluable treasure hidden somewhere in the desert around Baghdad.\|The Hidden Ones of Alamut on the astrolabe, 860s.\|Discovery Tour: Medieval Baghdad}}		{{Quote\|It is said that this Astrolabe will guide the bearer on a path to an invaluable treasure hidden somewhere in the desert around Baghdad.\|The Hidden Ones of Alamut on the astrolabe, 860s.\|Discovery Tour: Medieval Baghdad}}
	[[File:DTMB - Astrolabe complete.png\|thumb\|250px\|right\|The Abbasid Astrolabe]]		[[File:DTMB - Astrolabe complete.png\|thumb\|250px\|right\|The Abbasid Astrolabe]]
	The '''Abbasid Astrolabe''' was an astronomy instrument that encoded the route to a hidden treasure located in the [[Wilderness]] outside of [[Baghdad]]. In the 860s, the [[Hidden Ones of Alamut]] ~~operating in the city, namely~~ [[Tabid Al-Nubi]], [[Rebekah]], [[Fuladh Al Haami]], and [[Roshan]], tasked ~~one of their members~~ with recovering the nine pieces ~~of the artifact and locating the valuables to acquire the resources~~ to help fight the [[Order of the Ancients]] ~~branch~~ operating in the [[Abbasid Caliphate]].<ref name="Introduction">''[[Discovery Tour: Medieval Baghdad]]'' – Intro letter</ref>		The '''Abbasid Astrolabe''' was an astronomy instrument that encoded the route to a hidden treasure located in the [[Wilderness]] outside of [[Baghdad]]. In the 860s, the [[Hidden Ones of Alamut\|Alamut Hidden Ones]] [[Tabid Al-Nubi]], [[Rebekah]], [[Fuladh Al Haami]], and [[Roshan]] tasked an [[Assassin apprentice\|apprentice]] with locating, recovering, and reassembling the artifact's scattered nine pieces to help their [[Assassin-Templar War\|fight]] against the [[Order of the Ancients]] operating in the [[Abbasid Caliphate]].<ref name="Introduction">''[[Discovery Tour: Medieval Baghdad]]'' – Intro letter</ref>

	==History==		==History==
	[[File:DTMB - Astrolabe ready for calibration.png\|thumb\|250px\|left\|The Astrolabe ready for calibration]]		[[File:DTMB - Astrolabe ready for calibration.png\|thumb\|250px\|left\|The Astrolabe ready for calibration]]
	~~At some point~~ the Astrolabe was ~~divided~~ into nine pieces,<ref name="Introduction"/> ~~which~~ were still held in high regard, with even ~~an ambassador from the~~ [[Byzantine Empire]] selecting a piece ~~as one of the gifts~~ prepared for the [[Caliph]]. That piece was obtained by the Hidden One posing as an assistant to the market inspector and switching it out for camphor powder, a highly desirable gift so as to avoid a diplomatic incident.<ref name="Byzantine">''[[Discovery Tour: Medieval Baghdad]]'' – [[Byzantine Ambassador]]</ref> The Caliph, in return, gifted the ambassador with a tiraz, an item coveted by an art collector that offered an astrolabe piece to the Brotherhood in exchange for it. Intercepting a thief that had managed to get away with one of the ambassador's crates, the Hidden One got the tiraz and made the trade with the collector.<ref name="Water">''[[Discovery Tour: Medieval Baghdad]]'' – [[Water, Water Everywhere]]</ref>		After a treasure trove was buried outside Baghdad, the Astrolabe used to mark its location relative to the seasonal celestial bodies was disassembled into its nine pieces.<ref name="Introduction"/> Though separated, the components were still held in high regard, with even a [[Byzantine Empire]] ambassador selecting a piece a gift prepared for the [[Caliph]]. That piece was obtained by the Hidden One posing as an assistant to the market inspector and switching it out for camphor powder, a highly desirable gift so as to avoid a diplomatic incident.<ref name="Byzantine">''[[Discovery Tour: Medieval Baghdad]]'' – [[Byzantine Ambassador]]</ref> The Caliph, in return, gifted the ambassador with a tiraz, an item coveted by an art collector that offered an astrolabe piece to the Brotherhood in exchange for it. Intercepting a thief that had managed to get away with one of the ambassador's crates, the Hidden One got the tiraz and made the trade with the collector.<ref name="Water">''[[Discovery Tour: Medieval Baghdad]]'' – [[Water, Water Everywhere]]</ref>

	Other high-profile individuals that had managed to acquire a piece of the Astrolabe included an expert in navigation at the House of Wisdom,<ref name="Astrolabe">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Astrolabe]]</ref> a teacher at a notable school for qiyan,<ref name="Music">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Music of the Garden]]</ref> one of the Caliph's wives,<ref name="Caliph">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Caliph, the Thief, his Wife, and her Baby]]</ref> and the heir apparent.<ref name="Dinner">''[[Discovery Tour: Medieval Baghdad]]'' – [[Dine Like a Prince]]</ref> The {{Wiki\|umm al-walad}} and teacher both approached the Hidden Ones, offering their pieces in exchange for their help in solving their respective problems.<ref name="Caliph"/><ref name="Music"/> The piece belonging to the heir apparent was ~~stealthly~~ stolen during a dinner at the [[Prince's Palace]],<ref name="Dinner"/> while the navigation expert relinquished his piece when the Hidden One sent to retrieve it proved themselves a "like-minded scholar".<ref name="Astrolabe"/>		Other high-profile individuals that had managed to acquire a piece of the Astrolabe included an expert in navigation at the House of Wisdom,<ref name="Astrolabe">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Astrolabe]]</ref> a teacher at a notable school for qiyan,<ref name="Music">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Music of the Garden]]</ref> one of the Caliph's wives,<ref name="Caliph">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Caliph, the Thief, his Wife, and her Baby]]</ref> and the heir apparent.<ref name="Dinner">''[[Discovery Tour: Medieval Baghdad]]'' – [[Dine Like a Prince]]</ref> The {{Wiki\|umm al-walad}} and teacher both approached the Hidden Ones, offering their pieces in exchange for their help in solving their respective problems.<ref name="Caliph"/><ref name="Music"/> The piece belonging to the heir apparent was stealthily stolen during a dinner at the [[Prince's Palace]],<ref name="Dinner"/> while the navigation expert relinquished his piece when the Hidden One sent to retrieve it proved themselves a "like-minded scholar".<ref name="Astrolabe"/>

	Another Hidden One was also dispatched to recover a piece, though he was careless and ended up imprisoned for thievery, though later both he and the piece were saved by the one responsible for the other pieces.<ref name="Brother">''[[Discovery Tour: Medieval Baghdad]]'' – [[My Brother's Keeper]]</ref>		Another Hidden One was also dispatched to recover a piece, though he was careless and ended up imprisoned for thievery, though later both he and the piece were saved by the one responsible for the other pieces.<ref name="Brother">''[[Discovery Tour: Medieval Baghdad]]'' – [[My Brother's Keeper]]</ref>
Line 17:		Line 17:
	The Order of the Ancients did not ignore the Hidden Ones' efforts in reassembling the Abbasid Astrolabe, attempting to gather the pieces for themselves as well. One piece was meant to handed to an agent by a courier in the Caravanserai that served the [[Silk Road]], near the {{Wiki\|Zagros Mountains}}, though the Hidden One posed as an assistant to the Master of Letters and retrieved before the hand off could occur.<ref name="Road">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Road Most Travelled]]</ref> Another agent of the Order of the Ancients had managed to steal a piece, though he was injured while attempting to escape and was taken to [[the Great Bimaristan]], where he passed from his injuries. The Hidden One then infiltrated the hospital and collected it.<ref name="Quick">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Quick and the Dead]]</ref>		The Order of the Ancients did not ignore the Hidden Ones' efforts in reassembling the Abbasid Astrolabe, attempting to gather the pieces for themselves as well. One piece was meant to handed to an agent by a courier in the Caravanserai that served the [[Silk Road]], near the {{Wiki\|Zagros Mountains}}, though the Hidden One posed as an assistant to the Master of Letters and retrieved before the hand off could occur.<ref name="Road">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Road Most Travelled]]</ref> Another agent of the Order of the Ancients had managed to steal a piece, though he was injured while attempting to escape and was taken to [[the Great Bimaristan]], where he passed from his injuries. The Hidden One then infiltrated the hospital and collected it.<ref name="Quick">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Quick and the Dead]]</ref>

	Having recovered all of the astrolabe pieces, the Hidden One reassembled the device. By controlling the rete ~~(outer ring)~~ and ~~the~~ alidade ~~(hands) of the instrument~~, the Hidden One first calibrated it on a small constellation of a dog before aligning the astrolabe with a larger constellation of a bird and revealing the path to the hidden treasure. Deciding to set out at once, the Hidden Ones managed to recover the hidden cache in the wilderness outside Baghdad.<ref name="Stars">''[[Discovery Tour: Medieval Baghdad]]'' – [[Aligning the Stars]]</ref>		Having recovered all of the astrolabe pieces, the Hidden One reassembled the device. By controlling the instrument's [[wikt:rete\|rete]] and {{Wiki\|alidade}}, the Hidden One first calibrated it on a small constellation of a dog before aligning the astrolabe with a larger constellation of a bird and revealing the path to the hidden treasure. Deciding to set out at once, the Hidden Ones managed to recover the hidden cache in the wilderness outside Baghdad.<ref name="Stars">''[[Discovery Tour: Medieval Baghdad]]'' – [[Aligning the Stars]]</ref>

	==Gallery==		==Gallery==
	<gallery widths="180" position="center" captionalign="center">		<gallery widths="180" position="center" captionalign="center">
	DTMB - Astrolabe piece 01.png\|~~A piece~~ of the ~~Astrolabe~~		DTMB - Astrolabe piece 01.png\|The Astrolabe's limb<ref name="Museum">{{Cite web\|url=https://catalogue.museogalileo.it/indepth/AstrolabeComponents.html\|title=In-depth Astrolabe components\|archiveurl=https://web.archive.org/web/20120403062600/https://catalogue.museogalileo.it/indepth/AstrolabeComponents.html\|archivedate=3 April 2012\|author={{Wiki\|Museo Galileo}} Staff\|date=2010\|publisher=''Museo Galileo – Institute and Museum of the History of Science''\|accessdate=7 November 2025}}</ref>
	DTMB - Astrolabe piece 02.png\|~~A piece of the~~ Astrolabe		DTMB - Astrolabe piece 02.png\|The Astrolabe's tympanum<ref name="Museum"/>
	DTMB - Astrolabe piece 03.png\|~~A piece of the~~ Astrolabe		DTMB - Astrolabe piece 03.png\|The Astrolabe's throne<ref name="Museum"/>
	DTMB - Astrolabe piece 04.png\|~~A piece of the~~ Astrolabe		DTMB - Astrolabe piece 04.png\|The Astrolabe's star pointers<ref name="Museum"/>
	DTMB - Astrolabe piece 05.png\|~~A piece of the~~ Astrolabe		DTMB - Astrolabe piece 05.png\|An Astrolabe {{Wiki\|greeble}}
	DTMB - Astrolabe piece 06.png\|~~A piece of the~~ Astrolabe		DTMB - Astrolabe piece 06.png\|An Astrolabe greeble
	DTMB - Astrolabe piece 07.png\|~~A piece of the~~ Astrolabe		DTMB - Astrolabe piece 07.png\|The Astrolabe's {{Wiki\|ecliptic}} circle<ref name="Museum"/>
	DTMB - Astrolabe piece 08.png\|~~A piece of the~~ Astrolabe		DTMB - Astrolabe piece 08.png\|An Astrolabe greeble
	DTMB - Astrolabe piece 09.png\|~~A piece of the~~ Astrolabe		DTMB - Astrolabe piece 09.png\|The Astrolabe's alidade<ref name="Museum"/>
	</gallery>		</gallery>

			==Behind the scenes==
			This astrolabe defies traditional manufacturing practices in ways that realistically would have rendered it unusable. First, its star pointers are seemingly attached directly to the limb rather than being part of the rete, the rotatable overlay that represents the horizon and is used to locate astronomical entities. As well, the sickle-shaped piece and the two crossbeams that appear to hold the limb and ecliptic circle serve no function, as the actual device was held together only by a central pin and instead obstruct potential reading space of the device's front. This is then further occluded by the ecliptic ring, which has a plate added to its back when it should only be

			Perhaps most glaringly, its tympanum, the flat plate against which the measurements are taken, is uncharacteristically blank. A proper plate would have the regional constellations engraved in a {{Wiki\|stereographic map projection}} that used the {{Wiki\|horizontal coordinate system}}. These plates were interchangeable with ones included as separate accessories that displayed different star arrangements should observers change their latitude. However, if the device was meant for a single use in a specific locale, as is the case with the above instrument, the celestial markings would not be made in a replaceable plate but would be carved directly onto the the ''mater'', which has not been done.<ref name="Museum"/>

	==Appearances==		==Appearances==

imported>Soranin at 02:54, 1 October 2025

2025-10-01T02:54:28Z

← Older revision		Revision as of 04:54, 1 October 2025
Line 1:		Line 1:
	{{Era\|Technology}}		{{Era\|Technology}}
			{{Spoilerhd\|3 December 2025\|[[Discovery Tour: Medieval Baghdad]]}}
	{{Conjecture}}		{{Conjecture}}
	{{Youmay\|the instrument itself\|the [[The Astrolabe\|memory]]}}		{{Youmay\|the instrument itself\|the [[The Astrolabe\|memory]]}}

imported>Soranin: Fun fact, there is nothing in text that claims this as an Isu object, so the writing of this page conforms to that

2025-10-01T02:53:56Z

Fun fact, there is nothing in text that claims this as an Isu object, so the writing of this page conforms to that

Páàjì titun

{{Era|Technology}}
{{Conjecture}}
{{Youmay|the instrument itself|the [[The Astrolabe|memory]]}}
{{Quote|It is said that this Astrolabe will guide the bearer on a path to an invaluable treasure hidden somewhere in the desert around Baghdad.|The Hidden Ones of Alamut on the astrolabe, 860s.|Discovery Tour: Medieval Baghdad}}
[[File:DTMB - Astrolabe complete.png|thumb|250px|right|The Abbasid Astrolabe]]
The '''Abbasid Astrolabe''' was an astronomy instrument that encoded the route to a hidden treasure located in the [[Wilderness]] outside of [[Baghdad]]. In the 860s, the [[Hidden Ones of Alamut]] operating in the city, namely [[Tabid Al-Nubi]], [[Rebekah]], [[Fuladh Al Haami]], and [[Roshan]], tasked one of their members with recovering the nine pieces of the artifact and locating the valuables to acquire the resources to help fight the [[Order of the Ancients]] branch operating in the [[Abbasid Caliphate]].<ref name="Introduction">''[[Discovery Tour: Medieval Baghdad]]'' – Intro letter</ref>

==History==
[[File:DTMB - Astrolabe ready for calibration.png|thumb|250px|left|The Astrolabe ready for calibration]]
At some point the Astrolabe was divided into nine pieces,<ref name="Introduction"/> which were still held in high regard, with even an ambassador from the [[Byzantine Empire]] selecting a piece as one of the gifts prepared for the [[Caliph]]. That piece was obtained by the Hidden One posing as an assistant to the market inspector and switching it out for camphor powder, a highly desirable gift so as to avoid a diplomatic incident.<ref name="Byzantine">''[[Discovery Tour: Medieval Baghdad]]'' – [[Byzantine Ambassador]]</ref> The Caliph, in return, gifted the ambassador with a tiraz, an item coveted by an art collector that offered an astrolabe piece to the Brotherhood in exchange for it. Intercepting a thief that had managed to get away with one of the ambassador's crates, the Hidden One got the tiraz and made the trade with the collector.<ref name="Water">''[[Discovery Tour: Medieval Baghdad]]'' – [[Water, Water Everywhere]]</ref>

Other high-profile individuals that had managed to acquire a piece of the Astrolabe included an expert in navigation at the House of Wisdom,<ref name="Astrolabe">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Astrolabe]]</ref> a teacher at a notable school for qiyan,<ref name="Music">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Music of the Garden]]</ref> one of the Caliph's wives,<ref name="Caliph">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Caliph, the Thief, his Wife, and her Baby]]</ref> and the heir apparent.<ref name="Dinner">''[[Discovery Tour: Medieval Baghdad]]'' – [[Dine Like a Prince]]</ref> The {{Wiki|umm al-walad}} and teacher both approached the Hidden Ones, offering their pieces in exchange for their help in solving their respective problems.<ref name="Caliph"/><ref name="Music"/> The piece belonging to the heir apparent was stealthly stolen during a dinner at the [[Prince's Palace]],<ref name="Dinner"/> while the navigation expert relinquished his piece when the Hidden One sent to retrieve it proved themselves a "like-minded scholar".<ref name="Astrolabe"/>

Another Hidden One was also dispatched to recover a piece, though he was careless and ended up imprisoned for thievery, though later both he and the piece were saved by the one responsible for the other pieces.<ref name="Brother">''[[Discovery Tour: Medieval Baghdad]]'' – [[My Brother's Keeper]]</ref>

The Order of the Ancients did not ignore the Hidden Ones' efforts in reassembling the Abbasid Astrolabe, attempting to gather the pieces for themselves as well. One piece was meant to handed to an agent by a courier in the Caravanserai that served the [[Silk Road]], near the {{Wiki|Zagros Mountains}}, though the Hidden One posed as an assistant to the Master of Letters and retrieved before the hand off could occur.<ref name="Road">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Road Most Travelled]]</ref> Another agent of the Order of the Ancients had managed to steal a piece, though he was injured while attempting to escape and was taken to [[the Great Bimaristan]], where he passed from his injuries. The Hidden One then infiltrated the hospital and collected it.<ref name="Quick">''[[Discovery Tour: Medieval Baghdad]]'' – [[The Quick and the Dead]]</ref>

Having recovered all of the astrolabe pieces, the Hidden One reassembled the device. By controlling the rete (outer ring) and the alidade (hands) of the instrument, the Hidden One first calibrated it on a small constellation of a dog before aligning the astrolabe with a larger constellation of a bird and revealing the path to the hidden treasure. Deciding to set out at once, the Hidden Ones managed to recover the hidden cache in the wilderness outside Baghdad.<ref name="Stars">''[[Discovery Tour: Medieval Baghdad]]'' – [[Aligning the Stars]]</ref>

==Gallery==
<gallery widths="180" position="center" captionalign="center">
DTMB - Astrolabe piece 01.png|A piece of the Astrolabe
DTMB - Astrolabe piece 02.png|A piece of the Astrolabe
DTMB - Astrolabe piece 03.png|A piece of the Astrolabe
DTMB - Astrolabe piece 04.png|A piece of the Astrolabe
DTMB - Astrolabe piece 05.png|A piece of the Astrolabe
DTMB - Astrolabe piece 06.png|A piece of the Astrolabe
DTMB - Astrolabe piece 07.png|A piece of the Astrolabe
DTMB - Astrolabe piece 08.png|A piece of the Astrolabe
DTMB - Astrolabe piece 09.png|A piece of the Astrolabe
</gallery>

==Appearances==
*''[[Discovery Tour: Medieval Baghdad]]''

==References==
{{Reflist}}