Celestron · Dobsonian
Celestron StarSense Explorer 150AZ Dob
Celestron's 6-inch Dobsonian pairs smartphone sky-recognition technology with serious light-gathering power for beginners ready to explore.
Performance Scores
Overview
The StarSense Explorer 150AZ is a 150mm f/5 Newtonian reflector on a manual tabletop Dobsonian mount, and the combination works well for beginners who want genuine optical capability without a steep learning curve. The 6-inch aperture collects enough light to show Jupiter's cloud bands, Saturn's rings, lunar craters in fine detail, and deep-sky objects like the Orion Nebula and Andromeda Galaxy with real visual impact. What separates this from a standard beginner scope is Celestron's StarSense technology.
Rather than relying on a phone's gyroscope, the dock-mounted smartphone app analyzes actual star patterns overhead to calculate where your telescope is pointing. You follow on-screen arrows to your target, and the system is notably more reliable than typical phone-based solutions. This matters at night when you are still learning your way around the sky.
A few honest notes: at 11.34kg the scope is portable but not ultralight, and the tabletop Dobsonian base means you will need a stable surface or low table to observe comfortably. There is no motorized tracking, so objects will drift through the eyepiece at higher magnifications. At $549, you are paying a meaningful premium for the StarSense system over a comparable manual reflector.
At a Glance
150mm
Aperture
f/5
Focal Ratio
11.34kg
Weight
750mm
Focal Length
Specifications
Key Features
- A 150mm aperture delivers noticeably brighter views than the 114mm or 130mm scopes common at this price range
- StarSense sky-recognition technology locates objects reliably without requiring the user to learn star-hopping first
- The app generates a curated observing list based on your location and time, removing guesswork on any given night
- Tabletop Dobsonian design keeps the optical tube stable and low to the ground, making it easy to move and store
- No motorized tracking means objects drift at higher magnifications; occasional manual nudges are needed to keep targets centered
- Compatible with standard 1.25-inch eyepieces, so upgrading your eyepiece collection later is straightforward and affordable
- Celestron's 2-year warranty and US-based support add genuine peace of mind for a first telescope purchase
Customer Reviews
100 reviews
I got this telescope as an upgrade to my simpler telescope from the same brand, and I was impressed by its quality. I feel it is quite easy to use. (The app and the computer program are also pretty awesome, and they make everything much easier to see and to make sense of!) The assembly part was fair...
The setup takes a few hours to assemble right out of the box. The instructions could have been better. They need a good set of orientation pictures at better angles. The only trouble I had with the assembly was that the holes that were predrilled were drilled too short. An easy fix to this problem w...
Fantastic tabletop telescope. Optics are very clear and the lenses were collated right out of the box. Set up was not difficult and all the instructions, tools and parts were included and easy to follow. It is a bit on the heavier side but not to the point it can’t be moved from spot to spot. Settin...