🕷️ Spider Astro

Stargazing and astronomy articles

Beginner stargazing guides from Spider Astro: how to tell if tonight is good for stargazing, Moon phases, Mercury retrograde explained, and how to stargaze with your phone (AR).

Is tonight good for stargazing? 4 things to check before you go out

How to tell if tonight is good for stargazing: check cloud cover, moonlight, rain and haze, and light pollution. Includes New Moon dates from Oct 2026 to Apr 2027 and a free tool for your phone.

What is Mercury retrograde (水逆)? Dates for 2026–2027

Mercury retrograde explained simply: an optical illusion, not real backward motion. Includes a 2026–2027 date table and separates astronomical fact from belief.

How to stargaze with your phone (AR), step by step — and fix a drifting compass

Step-by-step guide to AR stargazing with your phone camera in Spider Astro: allowing camera and sensors, calibrating the compass, and fixing common problems.

Moon phases and stargazing: why a Full Moon hides the stars

Moon phases explained, when the Moon rises and sets, and how to choose a good night for stargazing, with New Moon and Full Moon dates from Oct 2026 to Apr 2027.

Stargazing by sound: an audio guide mode for blind and low-vision users

Spider Astro has an audio sky-scan mode and voice commands. How it works, how to start, and the limits you should know about.
🔭 Open the stargazing app (free)