Z+
The Asterra
The equatorial mount designed for all star chasers. Precision tracking, smart alignment, and extreme portability — all in one award-winning device. | Batch 1 is now open for orders.
Z+
Batch 1 — Only 50 Units
L-Bracket
Pre-order Timeline88
Batch 1 - 50 Pieces From Lab to Your Hands
The Early Reward for the First Believers
Beta Testing Complete
Mar 2025
Pilot Production
Jan 2026
Hardware & software ready
Jun 2026
First Global Shipment
Aug 2026
Watch
See It in Action
Core Features
Everything You Need, Nothing You Don't
OLED Display
Real-time polar alignment with 1.3" OLED screen. See your alignment status at a glance, even in pitch darkness.
Built-in Latitude Base
Integrated latitude adjustment. No extra accessories needed.
8 N·m Torque
Powerful stepper motor handles up to 5kg payload with ease.
Built-in Laser
Cut through the dark. Instant alignment.
Click & Go
Tactile control. Quick-clutch wrench designed for blind operation.
Cube-sized Design
Only 850g. The size of a Rubik’s cube. Travel light, shoot pro.
All-Night Power
3×AA provides up to 17.5h battery life & USB-C continuous power.
Polar Alignment
Three Ways to Align.
Zero Hassle.
Tracking Modes
Match the Rhythm of the Sky
From milky way to the lunar surface, five precision tracking speeds adapt to your creative vision. One click, and you move with the universe.
Balances the exposure to keep both the starry sky and the foreground landscape stunningly sharp.
Locks onto the stars for pinpoint precision during long exposures.
Smoothly tracks the moon for crisp, detailed lunar surface shots.
LIFETIME PRO MEMBERSHIP INCLUDEDThe Brain Behind the Beauty.
The secret weapon behind the world's most breathtaking astrophotography.
We handle the tracking. Planit handles the thinking. The ultimate pre-visualization tool, included free for life.
Zero Guesswork
See exactly where the Milky Way will rise with AR pre-visualization before it even gets dark.
Precise Planning
Calculate celestial events, topography, and moon phases for the perfect cinematic frame.
Seamless Ecosystem
The software finds the spot, Z+ shoots. A flawless workflow from home to the field.
LIFETIME PRO MEMBERSHIP INCLUDEDThe Brain Behind the Beauty.
The secret weapon behind the world's most breathtaking astrophotography.
We handle the tracking. Planit handles the thinking. The ultimate pre-visualization tool, included free for life.
Zero Guesswork
See exactly where the Milky Way will rise with AR pre-visualization before it even gets dark.
Precise Planning
Calculate celestial events, topography, and moon phases for the perfect cinematic frame.
Seamless Ecosystem
The software finds the spot, Z+ shoots. A flawless workflow from home to the field.
Testimonials
Feedback From Our Beta Testers
Citrus
@citrus_astro
All my friends are waiting for the next batch to drop — they can't wait to get their hands on one.
ARROW
@arrow_nights
Mind-blowing. My friend and I each got one — no sharing needed.
Aurora
@aurora_scope
I shot my entire trip using the ASTERRA tracker — and the results were incredible. My comment section blew up with people asking about it.
Wei Chen
@weichen_astro
I always say: this is the best star tracker in the world. Count me in as a loyal fan for life — I'll be spreading the word every chance I get.
Max Xiao
@max_xiao
If supply can keep up, the community will market it across the entire internet all on their own — no paid promotion needed.
Ginger
@ginger_shots
ASTERRA Star Tracker is the only one I'll ever use.
kevinchen
@kevinchen
Honestly? It's excellent. Full stop.
An·Kura
@an·kura
Just got my new ASTERRA star tracker. Absolutely love it. 👍👍👍
Citrus
@citrus_astro
All my friends are waiting for the next batch to drop — they can't wait to get their hands on one.
ARROW
@arrow_nights
Mind-blowing. My friend and I each got one — no sharing needed.
Aurora
@aurora_scope
I shot my entire trip using the ASTERRA tracker — and the results were incredible. My comment section blew up with people asking about it.
Wei Chen
@weichen_astro
I always say: this is the best star tracker in the world. Count me in as a loyal fan for life — I'll be spreading the word every chance I get.
Max Xiao
@max_xiao
If supply can keep up, the community will market it across the entire internet all on their own — no paid promotion needed.
Ginger
@ginger_shots
ASTERRA Star Tracker is the only one I'll ever use.
kevinchen
@kevinchen
Honestly? It's excellent. Full stop.
An·Kura
@an·kura
Just got my new ASTERRA star tracker. Absolutely love it. 👍👍👍
Unboxing
What's in the Box
Asterra Z+ Star Tracker
Quick Start Guide
Carrying Case
Quick Release Module for Tripod
Quick Release Plate / Foldable L-Bracket
Planit! Pro redeem code; Decal
Technical Specifications
Precision by the Numbers
Storage Dimensions
Metric: 86mm (H) × 85mm (W) × 75mm (L) Approx. 3.39" (H) × 3.35" (W) × 2.95" (L)
Net Weight
Metric: 850g Approx. 1.87 lbs
Uncounterweighted Load Capacity
8N·m ≈ 5kg × 16cm 5.9 ft-lb ≈ 11 lbs × 6.3"
Power Supply
3×AA Alkaline Batteries Type-C External Power Supply
Battery Life
3×AA Alkaline Batteries: Room Temperature: 9h 0°C (32°F): 5h -20°C (-4°F): 2h 3×AA Li-FeS₂ Batteries: Room Temperature: 17.5h 0°C (32°F): 16h -20°C (-4°F): 13h
External Power Supply
5V Type-C External Power Supply
Laser Pointer Angle Error
<0.03°
Polar Alignment Method
Built-in IMU Magnetometer Low-Temperature Finder Scope Single-Star Alignment with Finder Scope + IMU
Slew Speed Modes
Sidereal Speed, Half Sidereal Speed, Double Sidereal Speed, Lunar Speed, Solar Speed
Return to the Center
Mechanical Quick Clutch Wrench
Operating Hemisphere
0°-90° North / South Latitude
Other Auxiliary Functions
Vibration Detection, Position Shift Monitoring, Breathing Light, Tap-to-Wake, Stall Detection
Frequently Asked Questions
Quick answers to the most common questions.
ASTERRA-Z is designed as a portable and easy-to-use star tracker for landscape astrophotography. Its primary goal is fast deployment and high portability, with support for wide-field imaging. It is not specifically designed for deep-sky astrophotography.