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The Celestron Origin Mark II is the fastest route to real deep-sky images from a backyard. A 152 mm f/2.2 Rowe-Ackermann Schmidt Astrograph feeds a Sony IMX678 camera, with StarSense alignment, autofocus, a dew heater, live stacking and processing all driven from a phone or tablet. Nothing else in the one-box smart-telescope category matches that aperture or that focal ratio.
It is also 18.87 kg spread across three separate pieces, it has no eyepiece, and it depends entirely on an app and a Wi-Fi link with a documented history of connection trouble. Which of those two facts matters more to you decides the purchase.
If you are shopping new, buy the Mark II: SKU 12100. The first-generation Origin is discontinued, and the older unit only makes sense with a genuine discount and a clear-eyed view of what upgrading it involves.
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The Origin comes in two versions, and one of them is discontinued
The current production model is the Origin Mark II, SKU 12100. The first-generation Origin, SKU 12099, is officially discontinued, although stock still circulates through retailers. The two share everything that defines the instrument: the same 152 mm, 335 mm focal length, f/2.2 RASA optical tube, the same 97.9 Wh LiFePO4 battery, the same Raspberry Pi 4 controller, the same GoTo alt-azimuth mount and the same 41.6 lb assembled weight. Celestron presents the Mark II around one substantive change, the camera, and no official specification supports the claims that circulate about a stiffer base or a Mark II-only equatorial system.
That camera change is worth understanding precisely. The original's Sony IMX178 produces 6.44 MP at 2.4 µm per pixel and 1.48 arcsec/pixel. The Mark II's IMX678 produces 8.3 MP at 2.0 µm and 1.23 arcsec/pixel. The tighter sampling puts more pixels across a small target, which is why galaxies and globular clusters hold up better on the newer camera.
What it is not is a wider field. Native coverage moves from 1.27° × 0.85° to 1.32° × 0.75°: marginally broader horizontally, actually shallower vertically, because the sensor is 16:9. "Larger field of view" is shorthand, not a specification.
Check the Celestron Origin Mark II on Amazon
What 152 mm at f/2.2 actually buys you
Aperture is where Origin separates itself from everything else in the smart-scope market. A 152 mm objective has roughly nine times the light-collecting area of a 50 mm instrument, and the RASA design runs at f/2.2 where those smaller scopes sit closer to f/5. Signal builds quickly, which is the difference between a usable emission nebula after a few minutes and a thin, noisy one after twenty.
Alt-azimuth tracking uses 10-second sub-exposures by default. Celestron notes that field rotation generally starts affecting individual subs around the 30-second mark, but the software registers frames as it stacks them, so total integration can run for hours without the final image rotating. The practical consequence is edge cropping rather than a spoiled picture.
That speed carries a physical price. The optical tube is 4.8 kg, the mount 7.7 kg, and the assembled system 18.87 kg with a footprint of roughly 610 × 660 × 1219 mm. Three pieces have to be carried out and bolted together before anything happens. This is an instrument that lives near a door, not one that goes in a backpack.
Setup, alignment and your first image
Setup is the reason this product exists. StarSense handles alignment, the scope focuses itself, the dew heater runs automatically, and the app drives everything else. Celestron rates initialization at under two minutes, and the app is free with no subscription prerequisite.
Connectivity has three modes: a direct Wi-Fi link that needs no external internet, home-network mode, and Ethernet as a wired fallback. The direct connection is the one that generates complaints, and Celestron's own firmware history contains repeated fixes for direct-connect, lost-network and incorrect-password behaviour. The risk is real, but it is a software area that has been actively maintained rather than a fixed hardware fault.
Device compatibility deserves a check before you order anything. Google Play currently specifies Android 12+, while Apple's live app listing requires iOS/iPadOS 18.6+, even though Celestron's own product page still cites iOS 16+. A phone or tablet that cannot install the current app leaves the telescope unusable.
One handling rule: never carry the optical tube by its removable dew shield. It is not load-bearing.
What you'll point it at, and what it won't do
Origin is built for faint deep-sky targets: galaxies, globular and open clusters, emission nebulae. The Moon works, and Snapshot Mode covers the Moon and planets, but this is not a planetary instrument. At 335 mm of focal length, Jupiter and Saturn stay small; a dedicated planetary setup is the right tool if those are your goal.
There is no eyepiece at all. Light goes to the sensor and the image appears on a screen. That is a genuine advantage when several people want to watch the same object at once, and a hard stop for anyone who wants to look through a telescope.
The native field is the other constraint. At 1.32° × 0.75°, the sensor does not use the full corrected circle the RASA optics can deliver, and large targets overflow it: the Andromeda Galaxy spans about 3°, the Pleiades about 1.83°. Mosaic Mode, present in current stable firmware, automatically tiles multiple panels to cover what doesn't fit, which makes framing far less of a limitation than it was at launch.
On processing: the automatic pipeline sharpens, stretches and denoises the frames the telescope actually captured. Per Celestron it does not insert external sky imagery, and raw FITS subframes can be exported over USB or FTP for third-party processing.
Battery, cold weather and realistic runtime
The internal 97.9 Wh LiFePO4 pack is rated for more than six hours per Celestron, and 12 V external power is supported. Cold weather changes the arithmetic. Runtime falls below roughly 10 °C, and under -5 °C the battery can report low voltage and shut the system down; Celestron's specified range is -5 °C to 40 °C, and the company warns that cold can also affect the controlling phone and its Wi-Fi link. Near-freezing sessions have run closer to three hours than the six-hour rating suggests. For winter or all-night work, external power belongs in the plan.
No verified IP or rain-resistance rating exists for the Origin, so treat it as an indoor-stored instrument that goes out under a clear sky and comes back in when conditions turn.
Firmware moved this telescope forward
A lot of the criticism aimed at Origin describes software that no longer exists. Equatorial support with the optional wedge, sub-exposures beyond 30 seconds and FTP access arrived in the 1.2.x core releases. Dithering (which suppresses fixed-pattern and walking noise by shifting framing between exposures) landed in stable core 1.4.6084. Mosaic Mode, the feature that answers the field-of-view problem, is in stable core 1.5.6240. Any review claiming the Origin cannot shoot mosaics is describing an earlier product.
Keeping the app and core firmware current is the single most useful maintenance habit, because that is where connection fixes, calibration changes and capture modes live.
The wedge and autoguider question
The optional Evolution Wedge tilts the mount into an equatorial configuration, unlocking zenith access and sub-exposures longer than 30 seconds. The StarSense Autoguider pairs with it. Neither is part of the standard experience, and Celestron says as much: 10- to 30-second subs remain the optimum range under many conditions, and the autoguider brings little to anything below 30 seconds.
Buy them with a specific purpose in mind: a target that passes near zenith, or a deliberate move toward conventional long-exposure imaging. Buying them because serious astrophotography "needs guiding" adds weight, setup time and polar-alignment work for benefits a live-stacking workflow will never use.
Problems that recur, and what actually fixes them
The most visible complaint is halos: large out-of-focus rings around bright stars. Celestron documents this as an internal reflection of its Nebula Filter and treats it as normal behaviour rather than a fault. The fix is filter discipline: use the clear filter for galaxies, star clusters and any field containing a very bright star, and reserve the nebula filter for emission nebulae, where it genuinely helps.
Coloured streaks and hot-pixel artifacts usually point at calibration rather than a failing sensor. The telescope ships with factory darks and flats, and the app can recapture both; the order matters, and incorrect calibration after external stacking produces exactly those coloured trails. Recapture calibration frames whenever results change character, and always after fitting a different camera.
Connection trouble is the other recurring theme, and it is worth describing honestly. Some owners report long startup struggles and short-range drops; others report no trouble at all. Work through firmware updates first, then home-network mode, then Ethernet.
Worth buying, and worth skipping
Worth having: external 12 V power for cold or overnight sessions, protective cases for a three-piece system that gets carried regularly, and the clear filter if you plan to shoot broadband targets seriously. Watch the roughly 50 GB of internal storage as well: raw FITS files fill it quickly. Save raws when you intend to process them externally; otherwise let the app stack and move on.
Skip, for now: the wedge and the autoguider, unless one of the specific reasons above applies to you.
If you find an original Origin, the maths only works at a real discount
A discontinued 12099 at a genuine markdown is a reasonable proposition, because Celestron sells the Origin 678C Camera, SKU 95531, as a user-installable upgrade for precisely that unit. Installation is designed to be tool-free, and the result gains the Mark II's sensor technology. It does not become a Mark II (Celestron never claims component-for-component equivalence), and you must create new dark and flat frames after fitting it. Celestron also characterises the sensitivity gain as subtle, which is fair: what you actually gain is resolution and image scale, not a cure for light pollution.
If you are chasing the older telescope itself, check the first-generation Origin on Amazon, but only when the discount covers the camera upgrade and the loss of a current warranty.
Who should buy the Celestron Origin Mark II
Buy it if deep-sky imaging is the goal, you have a spot in the yard with a reasonable view of the sky, and you want automation to carry the alignment, focusing and stacking work. It is the shortest path from no experience to a colour image of a galaxy, and the 152 mm f/2.2 optics are why the results justify the effort. It also suits an experienced imager who wants a second, automatic rig that still exports raw FITS.
Don't buy it if you need something that travels: a Seestar S50-class or Dwarf-class instrument covers that brief at a fraction of the bulk and weight. Don't buy it primarily for planets. Don't buy it expecting to look through an eyepiece. And check the current app requirement against your phone before anything else. If portability matters more, our best smart telescopes guide covers the compact alternatives, including the DWARF 3.
→ Check the current price of the Celestron Origin Mark II on Amazon
