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The Visual Astronomer - The blog about solar, lunar, planetary and deep-sky observing — 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
deepskynotes.com ↗	67 match 1 shared topics	Deep Sky Notes — A visual observer's guide	en	space-and-astronomy	robotsllmsaihumans	emailphone	full · 11
star-savvy.com ↗	67 match 1 shared topics	ASHWATHY – Planetary research and awareness	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
brussels-planetarium.com ↗	67 match 1 shared topics	AstraLoom Observatory \| Planetarium Culture Project	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dataobservations.com ↗	67 match 1 shared topics	Stela's Portfolio – Data Visualizations and Designs about Space🚀	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
starfort1.com ↗	67 match 1 shared topics	Stargaze – Space, Astronomy and Observatory WordPress Theme	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
brnoplanetarium.com ↗	66 match 1 shared topics	Brno Observatory and Planetarium	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
helioradar.com ↗	66 match 1 shared topics	HELIORADAR — Digitizing the planetary environment	en	space-and-astronomy	robots llmsaihumans	emailphone	none
hptkmax.org ↗	65 match 1 shared topics	hptkmax \| Astronomy and other projects	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
visitvla.com ↗	65 match 1 shared topics	Visit the Very Large Array – National Radio Astronomy Observatory	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	email phone	none
anysllum.com ↗	65 match 1 shared topics	Anysllum Observatory — Astrophotography from Àger	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
armagh.space ↗	65 match 1 shared topics	Armagh Observatory & Planetarium \| County Armagh \| Northern Ireland	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	partial · 8
esaopticaleomooc.org ↗	65 match 1 shared topics	Earth Observation From Space: The Optical View	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
sracqc.com ↗	65 match 1 shared topics	Sky Observers – Your Friendly Guide to Exploring the Night Sky	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
staratlaspro.com ↗	65 match 1 shared topics	STAR Atlas:PRO Astronomy Software - Planetarium, Star Charts, Telescope Control,Observation Planning and much more	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
deepskycentral.com ↗	65 match 1 shared topics	DeepSkyCentral - AI-Driven Astronomy App \| Built by Astronomers	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
bronteobservatory.com ↗	64 match 1 shared topics	Welcome To The Bronte Observatory	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
csewi.org ↗	64 match 1 shared topics	The Space & Astronomy Blog	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
bastargazer.org ↗	64 match 1 shared topics	Starry Hill Observatory & Planetarium	en	space-and-astronomy	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.