StarHalo 2 Astronomy Watch

Installs

< 100

Rating

0.0

Rating count

< 100

Category	Tools
Developer	Nick Esposito
Price	2.49
First release	2/12/2025 (6 months ago)
Version	VARY
In-app purchases	No
Contains ads	No
Content rating	Everyone
Package name	com.videotropic.starhalo2

View on Play Store

Core Metrics

Data Breakdown

Date	Installs	Version
8/18/2025	58	VARY
8/17/2025	58	VARY
8/16/2025	54	VARY
6/28/2025	40	VARY
6/27/2025	39	VARY
4/10/2025	25	N/A
4/6/2025	24	N/A

Details

The Cosmos on Your Wrist

(IMPORTANT: This is the standalone StarHalo™ 2 app and complication. To convert it to a watchface, next download & install the free StarHalo™ 2 watchface front-end — the specialized container that turns holds the StarHalo™ 2 complication and tuns it into into a complete Wear 5+ watchface)

Now available for Wear 5+! From the developer of SkyHalo™ Weather, StarHalo™ 2 offers a complete celestial guide. Designed for newbies, professional and amateur astronomers and anyone who loves the night sky, StarHalo™ 2 brings the universe to your wrist. 

StarHalo's™ real-time morning and evening skies, sun and moon reflect the beauty and colors of the twilight sky. Even if you never use any of its astronomical features, StarHalo™ is one of the most beautiful watch faces available for Wear OS.

But that's just the beginning! Some of the features that make StarHalo™ a must-have for astronomers, celestial navigators and astronomy enthusiasts include:

1. Sky Map:  The dynamically-generated real-time sky map is based on your location and time. Whether you’re in a light-polluted city or a remote wilderness, StarHalo™ reveals the moon, planets, stars and constellations above you. A glance at the planisphere will show you not only the current star map with constellations and Milky Way, but:

— The Moon: Day or night, StarHalo™ displays the current moon in its location and orientation in the sky, along with phase from crescent to full and back to new moon. Tapping the Moon icon displays the precise times of the day's moonrise and moonset, % lit, days until the next phase, and the moon's continuously-updated Right Ascension, Declination, azimuth, altitude and compass direction. Looking to capture a photo of the soon-to-be-rising moon? StarHalo™ will tell you precisely where and when to aim your camera.

— The Sun:  Tap the Sun icon to plan your day with accurate sunrise and sunset times. For astronomers, the display also includes the sun's RA/Dec, Az/Alt and compass direction, as well as the current Julian day and both GMT and LMST.

— Planets and Nebulae: Tapping the Planet or Nebulae icons tells StarHalo™ to display the current positions of all of the planets (except Pluto — we don't talk about Pluto) and the Messier objects, as well as their current RA/Dec, Az/Alt and compass direction — ideal for astrophotography or for planning the evening's stargazing.

— Comets: Future releases of StarHalo™ will include the real-time positions and brightness of visible comets (as they are discovered).

For planetary conjunctions, double-tapping any spot on the planisphere will display a magnified view of that region (including the moon, sun, planets and Messier objects within that view).

Why Choose StarHalo™?

BEAUTY: Optional real-time daylight display replicates the sky color from daytime through sunrise/sunset, gradually reddening and darkening as twilight deepens and the stars come out — creating one of the most beautiful watchfaces we've seen. 

PRECISION: StarHalo™’s algorithms calculate celestial positions with utmost accuracy. We use astrometry equations developed by the U.S. Naval Observatory, the Royal Observatory at Greenwich, the JPL the International Astronomy Union (IAU), and planetary theory (VSOP87) from the Bureau des Longitudes in Paris, among other sources.

CUSTOMIZATION: Personalize StarHalo™ by choosing what to display (sun, moon, planets, stars, constellation lines), dark sky or real-time sunrise/sunset and twilight, and the color of the watchface's digital elements for day or night use  — including a red-only option to preserve night vision.

COMPATIBILITY: StarHalo™ 2 works seamlessly with all Wear OS smartwatches running Wear 5.0 and above.

StarHalo™ 2: A celestial journey that fits right on your wrist!

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