<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Aperture on Startgaze — Astronomy, Stargazing &amp; Space Science</title><link>https://www.startgaze.com/tags/aperture/</link><description>Recent content in Aperture on Startgaze — Astronomy, Stargazing &amp; Space Science</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Mon, 27 Jul 2026 07:48:00 +0000</lastBuildDate><atom:link href="https://www.startgaze.com/tags/aperture/index.xml" rel="self" type="application/rss+xml"/><item><title>The Seestar S50 is discontinued — is 30 mm enough from a city balcony?</title><link>https://www.startgaze.com/posts/2026-07-27-seestar-s50-discontinued-30mm-balcony/</link><pubDate>Mon, 27 Jul 2026 07:48:00 +0000</pubDate><guid>https://www.startgaze.com/posts/2026-07-27-seestar-s50-discontinued-30mm-balcony/</guid><description>ZWO retired the Seestar S50 and now sells only 30 mm smart telescopes. Here&amp;#39;s the aperture-vs-sensor math for deep-sky imaging from a light-polluted balcony.</description></item></channel></rss>