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deep-sky.uk – South Common Observatory — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Space And Astronomy →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
cscaobs.org ↗	68 match 1 shared topics	Home - Marmot Observatory	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
mcdonaldobservatory.com ↗	68 match 1 shared topics	The McDonald Observatory	United States~ en	space-and-astronomy WordPress	robotsllmsaihumans	email phone	none
mcdonaldobservatory.org ↗	68 match 1 shared topics	The McDonald Observatory	United States~ en	space-and-astronomy WordPress	robotsllmsaihumans	email phone	none
mccarthyobservatory.org ↗	67 match 1 shared topics	John J. McCarthy Observatory	United States~ en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
montcosmos.com ↗	67 match 1 shared topics	Observatoire du Mont-Cosmos	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
krdso.com ↗	67 match 1 shared topics	Kauring Robotic Deep Sky Observatory \|	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
lascampanasremote.org ↗	66 match 1 shared topics	Las Campanas Remote Observatory – Astro Photography	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
ozarkhillsobservatory.com ↗	66 match 1 shared topics	Ozark Hills Observatory - Astronomy in the Ozarks	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ozarkhillsobservatory.net ↗	66 match 1 shared topics	Ozark Hills Observatory - Astronomy in the Ozarks	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ozarkhillsobservatory.org ↗	66 match 1 shared topics	Ozark Hills Observatory - Astronomy in the Ozarks	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
armagh.space ↗	65 match 1 shared topics	Armagh Observatory & Planetarium \| County Armagh \| Northern Ireland	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	partial · 8
si-imaging.com ↗	64 match 1 shared topics	SIIS SI Imaging Services \| The World-Leading Earth Observation Solutions Provider	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
meadowlarkridgeobservatory.com ↗	64 match 1 shared topics	Astrophotography - Astrophotography - MeadowlarkRidgeObservatory	en	space-and-astronomy Jimdo	robotsllmsaihumans	emailphone	none
alisonlcrisp.com ↗	64 match 1 shared topics	Alison L. Crisp – Exoplanet astronomer + science communicator.	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
moonfolk.com ↗	64 match 1 shared topics	Starhoo	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
alienbill.net ↗	63 match 1 shared topics	Alien Bill UK – Cosmic	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
alaskaalienadventures.com ↗	63 match 1 shared topics	AlaskaAlienAdventures.com – The TRUTH is HERE!	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
vk5fil.com ↗	62 match 1 shared topics	VK5FIL - FLINDERS ISLAND, SOUTH AUSTRALIA - WELCOME	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.