Stellina telescope com. Image: Vaonis. This year, the jury of the The summer of 2022 I spent 3 months in Utah Salt Lake and other area on job sites which included many night schedules. com/post/stellina_reviewGet Stellina: https://bit. The Stellina is the best way for beginners to familiarize themselves with the friendly skies. Use the The Stellina is more of a photography telescope for astronomers who want to avoid elaborate astrophotography configurations. The heart of the Stellina telescope system is an 80mm aperture, apochromatic doublet refractor/reflector hybrid with a nasmyth focus and an f/5 focal Stellina vs Vespera: 10 Second Summary. Unlike traditional telescopes, our products eliminate the need for Setting up Stellina. Hestia. Stellina telescope was featured on CNN Tech amongst 17 cool gadgets that tease the future. Grass or dirt is more suitable. A s any student of telescope history will know, France has a long and distinguished tradition of optical innovation that STELLINA Smart Telescope User-friendly Features. Traditional Our text review: https://www. 2 Leveling the tripod. Watch the full video on his YouTube channel: https: This is the first time we’ve seen a product that uses a Raspberry Pi for a tracking telescope before – or more accurately, an observation station. Mandelbaum. We’ve taken a look at some of Unistellar‘s previously, but now Vaonis sent over one of its Stellina telescopes for us to review. Connect up to 20 people at once to this observation station through the 1. STL. The telescope will be ready to use within a few seconds. The For Stellina users: If your smart telescope loses power during a multi-night observation, the file cannot be saved correctly, and the Multi-Night project will be lost. Vespera range. Stellina is definitely a telescope for the social media age. The price will be $2,999. Explore. A gateway drug sort of thing. On the other hand, the Vespera telescope stands out with We had a chance to see the smart telescope, called Stellina, here at the Museum of Modern Art (MoMA), where the telescope will go on sale on May 10. Longer exposure times can be significant for Stellina is a new generation telescope: compact, intuitive, smart and connected. Stellina is your new observation station, the perfect combination of a telescope and a camera. VI. Tip 7: it is best to avoid using concrete or tarred surfaces for setting up Stellina / Vespera. It is a hybrid between a In this teaser, learn more about the observation station Stellina with the Adventurer of the third planet. The sleek new Stellina telescope from Vaonis in France weighs only 7kg and fits in a backpack, making it easy to take along on camping trips or carry on board a flight. Stellina simply is the first expensive package to make it portable at a price point beyond the average The Stellina telescope has a longer exposure time that typically ranges from 15 to 30 and up to 2 hours which is considerably longer than the Vespera’s exposure time of 10 seconds. ; Débutants: Ceux qui découvrent Stellina and Vespera are a combination of a telescope and a camera, controlled by an embedded computer and connected to your mobile phone. Vaonis is developing a new feature, Automatic Mosaic-ing, that Live observation of Superman's Galaxy (NGC7479) with a Stellina telescope (3/11/2024)195 sub-frames of 10 seconds, gain 20 dB. Designed and built by the French Meet Stellina, perfect hybrid between the smart telescope and a camerahttps://vaonis. Unlike a typical astrophotography rig, there are no a la carte pieces, back focus, spacing, balance, or software requirements Discover the differences between the full line of Vaonis Smart Telescopes - including the latest and greatest: Vespera 2, Vespera PRO, and Hestia! Vaonis offers a few different Computerized Smart Telescopes, each The Vaonis Stellina is a telescope that offers a foolproof method of tracking the cosmos and puts its image on your phone. With its multiple features, it allows you to discover and share with your family and friends the marvels of the Stellina. “Yadda yadda, more expensive There aren’t many digital telescopes on the market. Back. The article was published on January 16, 2018, after Vaonis smart telescope caught the attention Stellina telescope was featured on Wired UK amongst The most interesting new gadgets and gear from CES 2018: CES 2018 is here, which can only mean one thing: gadgets. Is it my enemy? It does almost everything I do to t Features and benefits: The Vaonis Stellina telescope features an exceptionally sleek and compact design, which is complemented by a robotic mount and integrated 6. 29 the universe and capturing stunning images of nebulae and galaxies has never been easier with our award-winning smart telescopes. More. Designed specifically to hold and safely transport your Stellina digital telescope with its tripod and battery, plus a tablet, the wheeled Vaonis Fly Case is made of sturdy plywood and aluminum on the edges for extra strength and protection. galactic-hunter. instagram. You can quickly and easily set it up anywhere, even in places with copious amounts of light pollution, like The Stellina Photo: Ryan F. It requires extensive knowledge and significant investment of time and effort before getting decent results. With the Stellina Telescope you can see the Stars, you can see the moon, you can see hundreds of deep space objects, almost everything up there in space. Its innovative design changes the traditional look of telescopes and makes traveling with your Page 1 of 14 - Stellina - Expert mode - posted in Beginning Deep Sky Imaging: The smart telescope Stellina (by Vaonis) is known for its ease of use and the way it produces The Stellina Telescope is the perfect companion for anyone who wants to explore the stars. A similar step in setting-up Stellina and Vespera with a classic telescope is that it is required that the tripod be set horizontally. It costs around £3,750 which is actually a Stellina Astrophotography smart telescope batteries full review. Then at home, you have the option of experimenting with the Raw files. Anyone can become a skywatcher, using their Stellina to Thanks to their solar filters and security mechanisms, Vespera and Stellina ensure a safe environnement for Sun and Solar Eclipse observations. Buy: Vaonis STELLINA Observation Station and Hybrid Telescope with Gitzo Systematic Short Tripod. uk Astrophotography with classical telescope rigs is a very challenging hobby. That works well for most deep-sky objects but, ironically, not for closer objects like Uranus below. Your eyes are not directly exposed to sunlight and your telescope itself is Some Vaonis Stellina questions - posted in Equipment (No astrophotography): Hello, I have put up the $$$$ for a Stellina and await its delivery. Never has astrophotography been so easy to get into before this mobile observation station. . Each image reveals the stunning details of the universe, inviting you to marvel at Stellina by Vaonis. Vaonis Stellina je inteligentní a plně automatizovaná pozorovací stanice, která kombinuje dalekohled a fotoaparát. When you purchase through links on our site, we may earn an affiliate Vespera the worlds No. Willing to sell for $2500 firm. youtube. For that price, some will consider The Stellina's telescope has a focal length of 400mm and a field of view of 1° x 0. We'll keep this review focused on Vespera and assume you already know the ups A brief unboxing video as we put a Stellina smartphone controlled telescope through its paces. The article was A special thank you to @Astrobiscuit for the cameo! It was a huge thrill to have him on. With its intuitive design, you can start observing stars, planets, and galaxies right away. Designed for heavy loads, the Stellina backpack integrates padded foams to protect your device from all Connect with the Stars. Stellina is the The Vaonis STELLINA Smart Telescope allows observations of the Moon, galaxies, nebulae and comets - fully automated and convenient from your smartphone or tablet. Stellina embarks Go-To technology and moves automatically to track your stellar object, compensating Earth’s rotation. Come meet the team and their game-changing smart Transport and protect your Stellina telescope with this made-to-measure backpack. It caters to enthusiasts who value innovation and contemporary design in their celestial explorations. 7 inches), making it pretty portable for those looking to bring it on overnight camping trips, or even travel The Vaonis STELLINA Smart Telescope allows observations of the Moon, galaxies, nebulae and comets - fully automated and convenient from your smartphone or tablet. This is Stellina. Another one ignites. This year, we are pushing back the limits of miniaturization with a new innovation: Hestia. The author shares their experience using the Vaonis Stellina smart telescope to capture images like M27. Smart and fully automated, Stellina is a revolution in the world of Astronomy. While you are observing a celestial body, the smart telescope keeps capturing new images Takeaway: Stellina telescope is a stargazer’s dream investment. #astronomy #astrophotography #s Page 6 of 8 - Stellina - posted in Smart Telescopes: Will work the same way as my other, you only have to have the leading edge close to covering for it to keep the whole area Page 7: Connecting To Stellina Stellina has powered down. Stellina is a fully automatic altazimuth system that can take images of deep-sky objects without any of the standard paraphernalia of guide scopes, equatorial mounts, laptops and external Stellina is a 80mm refractor/reflector hybrid telescope that connects to your smartphone or tablet via wireless and automates deep-sky imaging. Compare models. Gallery. com/stellinaVideo: Adventurer of the Third Planethttps://www. Smart Telescope Users: Stellina, Vespera, eVscope & more Facebook I bought a £4,000 telescope called the Stellina to see if it can really let me take photos of galaxies, stars, and deep space? Let’s try it out! Subscribe For Sale - Stellina smart telescope. Home. In 2024 it is not longer sold by Vaonis and has By trading an eyepiece for a Sony camera sensor, the fully computerised Vaonis Stellina refractor telescope allows amateur astronomers to easily capture incredible images of the night sky – Vaonis telescopes, such as Stellina and Vespera, offer a seamless stargazing experience by integrating a smart, app-controlled system with advanced optical technology. Compare the universe and capturing stunning images of nebulae and galaxies has never been easier with our award-winning smart telescopes. Intelligent et entièrement automatisé, Stellina a été une révolution dans le monde de l'astronomie. 7°. Thanks to its minimal design, ease of use and powerful The Stellina telescope has a focal length of 400mm which strikes a balance between magnification and a wider field of view, offering a versatile viewing experience for various types of celestial observations. The Features and Benefits: The Vaonis Stellina telescope features an exceptionally sleek and compact design, which is complemented by a robotic mount and integrated 6. The Vaonis Stellina was released in 2019 and was the original smart telescope. Simple A telescope with no eyepiece may not sound like a telescope at all, but there’s something strange going on inside the French-designed Stellina. With the arrival of Vespera, the application used to pilot Stellina has handed over to a new generation. Stellina smart The Stellina as a Telescope. Some people think Stellina is a rip off. The telescope is equipped with a 50mm apochromatic objective that, according to Vaonis, has a “unique quadruplet lens, formed by two groups of two lenses made of lanthanum glass. The company launched the Vespera (a mini version of its Stellina telescope launched in 2018) in October on Kickstarter. Where’s the Mirrosky Smart Telescope? – In 2022 the Mirrosky smart telescope emerged on crowd-funding sites but then went quiet after securing $750k+ from over 1000 people 7 Great Black Friday Smart Telescope Deals – This France-based telescope maker Vaonis announced this week the release of an upgraded version of their Vespera smartscope Vaonis made waves in 2020 with the release of the Stellina smartscope. Le Why did Vanois abandon the 80mm Stellina - posted in Smart Telescopes: I know the Stellina was expensive compared to the Vespera models, but why did Vanois abandon the 80mm refractor line? I would think the 80mm Introducing the STELLINA new observation station, perfect hybrid between the smart telescope and the camera: Watch the full video: Video. Version 1. Man, would Galileo have loved to get his hands on one of these. Read our hands-on review. The future Astronomy has arrived. Realistically, you can use any battery of Turn your Vespera or Stellina manually on its base. See, Stellina (£3,643 / $4,700) isn’t just for getting a better look at the moon or French YouTuber Amixem, with over 4M subscribers, tests Stellina smart telescope, sharing his impressions and photos in a video that hit 2M views in just two days! Page 1 of 2 - Vaonis Stellina or Vespera Pro - posted in Smart Telescopes: I am well aware that these smart scopes are polarizing. Many will correctly say you can build a better platform for less. Background Concept. Introducing Stellina. If you are a big technology fan, or if you want to produce beautiful images without much effort, then both On May 16, 2018, Le Parisien, one of the main French newspaper, shared an article about Stellina telescope and its exlusive pre-launch at the MoMA Design Store in New York. Almost anyone can now be a space enthusiast. A telescope like Stellina can help you observe the 2 year old Stellina vs. STELLINA (made by Vaonis and brought to us by the good people at Smartech) is a combined connected telescope and a STELLINA by Vaonis. Live. Im reading that the Vaonis Vaonis follows up its Stellina and Vespera smart telescopes with the first telescope that uses a smartphone to photograph stars and solar eclipses. Limited Editions. This article contains my first impressions Step into the Vespera Gallery and witness the breathtaking beauty of the cosmos captured like never before. Lets ignore that for now The home to all amateur astronomers & telescopes! Feel free to discuss anything astronomical here, from what sort of telescope you should get, stargazing tips and tricks, to how to use that scope of yours that's been sitting around! VAONIS STELLINA Smart Telescope. It is done manually by adjusting the length The Stellina weighs about 25 pounds and can fit in a standard backpack (19 x 15 x 4. Kód produktu: 1081638. Last year, Vaonis unveiled the Stellina smart telescope camera device. Get Stellina Telescope Here (aff link): http://bit. Shows. This new-age telescope makes collecting gorgeous images of the stars easier than ever before. This evolution brings with it new features to further improve your user experience. ly/2WJrPzrHere are my thoughts on a brand new telescope for amateur astronomers that was released by Vaoni In comparison, the Vaonis Stellina smart telescope features the same sensor, while Unistellar’s EVscope 2 showcases a more advanced IMX347 sensor with an impressive 7. 6. They are The Vaonis Stellina makes astrophotography easy and accessible to anyone, and shared viewing capabilities make it perfect for groups. Cut through the The Stellina telescope has no traditional eyepiece, and instead delivers gorgeous images direct to the owner’s smartphone or tablet, and is entirely controlled and pointed via an app. , Vaonis STELLINA Observation Station and Hybrid Telescope with Gitzo Systematic Short Tripod. Stellina comes with two small power bank batteries that fit perfectly inside of the telescope's battery compartment. / 5 kg and can even be used to take images of Most telescopes are more pleasing to look through than to look at, but the sleek, $2,999 Stellina from French startup Vaonis revolutionizes on both fronts. Back in mid-March, my 2+ year old Stellina came up with a The universe is at your fingertips with the smart, app-connected Stellina telescope. With a completely redesigned experience of observation, A sleek, new app-controlled telescope. It is simple, quick and easy to use to take astrophotography images. ” The Vaonis STELLINA Smart Telescope allows observations of the Moon, galaxies, nebulae and comets - fully automated and convenient from your smartphone or tablet. Tip 8: set up Stellina / Vespera on a The Vaonis Stellina is an innovation in automated imaging systems, featuring full wireless control, the ability to connect to up to 20 mobile devices and on board imaging processing. STELLINA Observation Station and Hybrid Telescope with Gitzo Systematic Short CovalENS is a groundbreaking technology, exclusively available on Vaonis smart telescopes, allowing you to effortlessly capture images with a wider field of view than your smart Following the release of the Stellina telescope in 2018 and the Vespera model less than a year ago, telescope maker Vaonis is launching a brand-new, ultra-powerful scope: Hyperia. Live stacked images from the Stellina showed improving detail over 1 minute, 15 minutes, 30 minutes, and 1 hour of Stellina telescope received the 2018 Observeur du Design award, a product design competition organized by the APCI, a French agency promoting industrial design. Originally cost $4000. The smallest and most affordable smart telescope when it went on sale – and radically different from its bigger sister, the Vaonis Stellina Observation Station – the Vespera weighs just 11 lbs. Most telescopes are more pleasing to look through than to look at, but the sleek, $2,999 Stellina The Stellina telescope, and other smart telescopes that don't use eyepieces, could also make astronomy accessible for those with disabilities and physical limitations: Besides being uncomfortable Yes it's nice that Stellina has done all that in an off the shelf package. Traditional telescopes show faint deep sky objects only Not so the French-designed Vaonis Stellina Smart Telescope, the world’s first ‘smart telescope’ that can be controlled and used purely by a smartphone. I made the Stellina Sleeve and the Cap as separate items, after initially creating an all-in-one lens cap, and then realizing I'm going to need a light shield, which would then be a big print as it would require Page 1 of 2 - Stellina Smart Telescope - posted in Smart Telescopes: Does anyone have any feed back on this new item? Passionnés d’astronomie: Les personnes passionnées par l’exploration spatiale, souhaitant observer des objets célestes sans avoir besoin d’installations complexes ni de compétences techniques. The telescope then takes over Interesting product. Reels. STELLINA takes the complex steps of astrophotography to a streamlined experience, all controlled from your phone. ly/3OcuqPlUnboxing video: https://www. Care and maintenance Stellina is an optical instrument, it is therefore fragile and requires a lot of caution when being used. How to power STELLINA using an AC adapter? STELLINA has been designed to facilitate Stellina telescope appears amongst a selection of 17 gagdets and sits next to the biggest tech brands. Not only does it resemble a prop from Le télescope intelligent Stellina, présenté par Le Parisien, fait ses débuts au MoMA Design Store pendant la NYCxDesign Week, apportant l'innovation française sur le marché américain. 1 observation station, Deep Space Telescope ready for Astro Photography straight out of the box. co. universet Page 1 of 32 - Stellina _ Redux - posted in Electronically Assisted Astronomy (No Post-Processing): This thread is to discuss all things for the Stellina telescope as it relates to the EAA Forum Guidelines. Presented in For a better understanding. It’s official name is the Celestron Origin Intelligent Home Observatory – just like Vaonis call the Stellina and Vespera Observation Stations – but these We had a chance to see the smart telescope, called Stellina, here at the Museum of Modern Art (MoMA), where the telescope will go on sale on May 10. Gather your friends and family to explore the universe in style. 4 megapixels camera Stellina est le premier télescope intelligent jamais conçu, la combinaison parfaite d'un télescope et d'un appareil photo. The readers can also find the Apple Homepod, Leica Q Snow camera, Sony Xperia The Stellina telescope will be available for avant-première since the official launch of the product is expected in September 2018. The 80 mm f/5 ED doublet refractor was designed from the ground up with lanthanum glass for contrast and clarity and specialized coatings that block the IR and UV wavelengths to keep the negative impacts What is the Celestron Origin? The Celestron Origin is a smart telescope. Get the best deals for Stellina Telescope at eBay. All in one single print. With its high-quality optics, automatic alignment, and user The Stellina telescope excels in its advanced smart telescope technology, allowing for seamless integration with your smartphone and providing a user-friendly experience. Version 2. I'm really really thinking of just putting out the 4000k and getting the Stellina telescope 4 million dollars is a lot to spend on just a scope. Claiming to be the world’s first ‘smart telescope’, the Stellina operates solely The Vaonis Stellina Robotic Smart Telescope heralds a groundbreaking advancement in astronomical technology. en. STELLINA and VESPERA run a real-time image stacking process. They also use cutting-edge astrophotography techniques to locate faint objects in the night sky and then . English Français 0. Learn all you need to know about the Vaonis Stellina smart telescope before you buy. #astronomy #astrophotography #space #ea Stellina est un télescope innovant dédié à l'astrophotographie, développé par la start-up Vaonis. Our Travel Journal. With a While Vaonis smart telescopes like Vespera and Stellina capture stunning high-quality images, enhancing them on your smartphone can take them to the next level—perfect for sharing on social media or showcasing your work. Compact, tout-en-un et connecté, découvrez une nouvelle man Modern automated telescopes allow to capture astronomical images in a reproducible way. I brought my Stellina telescope and when it was clear it was This is a printable replacement battery cover for the Stellina Observation Station (Telescope) There are two versions of the design. Business, Edu & Gov; Observation of NGC315 with a #Stellina smart #telescope (29/9/2024)Settings: 175 sub-frames of 10 seconds, gain 20 dB. Traditional telescopes show faint deep sky objects only The Vaonis Stellina is an all-in-one astrophotography setup built around an 80mm apochromatic refractor telescope. Pointing and tracking is completely automated. Purchased in June and used once. I first heard about Stellina back in 2018 at a press event and didn’t know nearly enough about telescopes to be impressed. Avec une Stellina is your new observation station, the perfect combination of a telescope and a camera. Unfortunately, all this comes with the high price tag of $3,999. About MoMA Design Store MoMA I observed Messier 51, using my Stellina telescope and have painstakingly created a large ZIP file that contains the following files: All light FITS files; over 600-10 second Stellina can't be used for planets? - posted in Electronically Assisted Astronomy (No Post-Processing): Hoping Ive posted this in the correct forum. SALES HOTLINE - 07398 532 708 or 01733 306 731 sales@uk Transport and protect your Stellina telescope with this made-to-measure backpack. The Stellina doesn’t look like a typical telescope. The telescope is correctly aligned when the Sun’s rays pass through the gap between the arm and the body of the telescope and cut the shadow in half. Vespera. The Vaonis Vespera was released in 2022 and was the first compact smart telescope. Stellina is a friendly and accessible telescope that has made stargazing and astrophotography more convenient. Browse Types - Refracting, Solar. Stellina (released 2018) and Vespera (released 2020) are designed to Vaonis was selected from hundreds of entries to showcase its Stellina innovation at the 2019 edition of VivaTech. During the MILAN research project (MachIne Learning for AstroNomy), we Shop Used Vaonis Telescopes & Astronomy by Telescopes, Telescope Accessories & more. I’m not one of them because although Stellina is more expensive than the equivalent unautomated set up, I totally get why many folk, like his geniusness Riktenstein would not want Stellina Bubble Level Plate. Vaonis Stellina revolutionary Telescope changes the way amateur astronomers see the cosmos, allowing anyone to capture images in the night sky. The entire Messier catalog, taken with my Stellina telescope (made by Vaonis) over one year. 7 MP. EAA Guidelines Thanks to an eyepiece-free telescope, you will never need to fuss with focusing the telescope, changing the eyepiece, etc. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Tip 6: take out Stellina / Vespera one hour prior to your observation. Designed for heavy loads, the Stellina backpack integrates padded foams to protect your device from all In our Stellina review, we go in-depth about why or why not you should get a smart telescope, and if this would be a good choice for you. Check each product page for other buying options. The Vespera telescope is the latest offering from Vaonis, a French start-up. You could buy a whole mountain top observatory for that kind of money. 7?, 15lb Bloomberg features Stellina, the sleek, app-driven telescope by Vaonis, perfect for beginners seeking clear, shareable views of the cosmos without an eyepiece. I think that it could be a product that can help young people want to get into astronomy. Use the included Stellinapp to easily navigate the night The STELLINA from Vaonis is what we get when innovation meets automation. 4-megapixel camera. Features and Benefits: The Vaonis Stellina telescope features an exceptionally sleek and compact design, which is complemented by a robotic mount and integrated 6. What’s in the box:Stellina observation station Short Gitzo tripod Bubble level Stellina is a fully automated astrophotography telescope about the size of a backpack. Read the pros and cons of this innovative device and see how it works in practice. At our public outreach events everyone (usually the young ones) want to take photos 1-16 of 69 results for "stellina telescope" Results. Instead of a long tube, Stellina is a 19? x 15? x 4. The soon-to-be-released Vaonis Vespera One star fades. Business, Edu & Gov; Adorama Rentals; Printique; Our The Stellina and Vespera smart telescopes have been worldwide successes since their launch. Read our full review at Universe Today: https://www. Mint condition. In the meantime, Im trying to However, Stellina is a more advanced device that offers a range of advanced features, including automatic object recognition and tracking and the ability to capture and process images from the telescope’s camera. Made for both beginners and seasoned astronomy enthusiasts, Vespera II embodies the seamless fusion of a camera and a telescope, enabling anyone to connect with the stars. But seriously, UK Telescopes | Our aim is to provide you with the right telescope Stellina Online Telescope Site SALES HOTLINE - 07398 532 708 or 01733 306 731 sales@uk-telescopes. Must pick up here in Las Vegas. Bundles. This smart device allows anyone to easily capture beautiful images of the night sky. com/watch?v=I2ku Vaonis Stellina Smart Telescope The Vaonis Stellina Smart Telescope represents a significant leap forward in the world of amateur astronomy, blending cutting-edge technology with user With app connectivity, Stellina makes collecting gorgeous images of the night sky easier than ever before. File: Stellina - Battery Cover (Flat) AIO. New Vespera II - posted in Smart Telescopes: Good afternoon folks, Im in a bit of a quandary, and Id like your thoughts. Its the Smart Unlike some of the best telescopes for astrophotography, smart telescopes are easy for beginners to use. Departing The sleek Stellina, measuring 47 × 39 × 12cm, looks almost like a robot out of WALL-E. Buy the Vaonis Stellina The Vaonis Stellina is an innovation in automated imaging systems, featuring full wireless control, the ability to connect to up to 20 mobile devices and on board imaging processing. Do I need to manually stack Press the telescope start button for 2 seconds, it will be swirling blue until it gets fixed blue. Our price - £2,175 I was originally drawn to this product because it looked amazing, but I also loved that it is 1 Stellina telescope; 1 short tripod; 1 external battery 10 000mAh; 1 USB-C male / USB-C male cable; We recommend that you keep the packaging pack (both boxes) of your telescope so that you can use it to store the telescope when A place for smart telescope users to connect, ask questions, share tips and tricks, and showcase the images you've captured. The first line contains objects M1 to M10, the second M11 to M20, and so long. c Stellina Telescope, first of its kind, computer controlled autonomously using an app on your smartphone or tablet.