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Nightskyinfocus alternatives & similar sites

Night Sky in Focus – Astronomy and Amateur Radio — 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
millseyspages.com ↗	76 match 1 shared topics	John Mills - Astronomical, Musical and Amateur Radio website	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
skyatnight.net ↗	76 match 1 shared topics	Astronomy Blog - My Astronomy and More	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
n0njy.org ↗	76 match 1 shared topics	N0NJY Amateur Radio – Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dl1tof.net ↗	75 match 1 shared topics	DL1TOF - Amateur Radio Station	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
n4un.com ↗	74 match 1 shared topics	N4UN Amateur Radio	en	space-and-astronomy Joomla	robotsllmsaihumans	emailphone	none
n5ama.com ↗	74 match 1 shared topics	n5ama.com – Astronomy support	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
skastro.net ↗	73 match 1 shared topics	SK Astro - Nottingham Astronomy and Astrophotography	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
skyinsight.net ↗	72 match 1 shared topics	Your Insight into the Sky and Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
theastropages.com ↗	72 match 1 shared topics	the @stro pages - astronomy and space for the amateur	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mmfsponsors.com ↗	71 match 1 shared topics	Stargaze – Space, Astronomy and Observatory WordPress Theme	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
amsat-uk.org ↗	71 match 1 shared topics	AMSAT-UK \| Radio Amateur Satellites	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
deepastronomy.com ↗	71 match 1 shared topics	Original Astronomy Content - Deep Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
amateurastronomy.net ↗	70 match 1 shared topics	Welcome - Amateur Astronomy	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
kx3dex.radio ↗	70 match 1 shared topics	KX3DEX Radio - Amateur Radio Blog	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
n1ksc.org ↗	70 match 1 shared topics	Kennedy Space Center Amateur Radio Club N1KSC - Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
modernptolemy.com ↗	69 match 1 shared topics	Modern Ptolemy – Handmade Star Charts and Astronomical Art	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
mixmaster3000.com ↗	69 match 1 shared topics	Space.com: NASA, Space Exploration and Astronomy News	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dl1dbc.net ↗	69 match 1 shared topics	DL1DBC	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.