Celestron Origin Mark II accessories: what fits and what is worth it
The handful of add-ons that change what the Origin Mark II can do, checked against Celestron’s own pages, and the cheap things that keep a long winter session going.
Made for the Origin Mark II
- Celestron 93665 equatorial wedge NexStar Evolution OriginNamed on the Mark II page as the EQ wedge.
- Celestron StarSense Autoguider 94040Recommended with the wedge for exposures over 30 s.
- Celestron nebula filter for Origin 93669Celestron's drawer filter for the RASA; same drawer as the first Origin.
- Celestron Origin padded telescope bag 94031Official bag; the tube is unchanged.
- portable power station 300W AC outletRuns the supplied 12 V adapter off-grid; dew shield and heater are built in.
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The first item matters most if you image from a dark sky: EQ mode is what unlocks the 30 s subs, and it only pays where the sky is dark enough.
For long, cold nights
Winter is the best imaging season: the nights are long and Orion, the Pleiades and the Rosette are up. It is also when sessions end early. Lithium batteries give noticeably less in the cold, so keep spare power banks in an inside pocket until you need them, and if the scope has a dew heater, run it from the start rather than after the lens has misted.
- red LED head torchRed light keeps your night vision; white light costs you twenty minutes of dark adaptation every time.
- USB-C power bank 10000mAhA second bank for the phone or tablet that runs the app. Cold drains a phone fast, and when it dies the session ends even if the scope is fine.
- hand warmers long lastingAir-activated packs give hours of heat for the person; winter nights are long and you spend most of them standing still.
- thermal flask 1 litreA hot drink at 2 am is the difference between one more target and packing up.
Affiliate links: the retailer pays us a small commission and you pay the same price. These are search links to the named product, not endorsements of a particular listing; check the listing matches your model.
Before you buy anything
- Your sky matters more than any accessory. One Bortle class darker is worth more than everything on this page. How much.
- Check the listing names your model. Search results mix in parts for other scopes; the Origin Mark II and its siblings are not always interchangeable.
- See what it can reach first. The tonight planner shows what the Origin Mark II can image from your location this week.
Back to the Origin Mark II: integration times for every target · Accessories for other scopes