celestron omni 102az telescope. The Celestron AstroMaster 130EQ was loved by reviewers at Digital Camera World, a highly trusted source that performs reliable in-depth testing. celestron omni 102az telescope

 
The Celestron AstroMaster 130EQ was loved by reviewers at Digital Camera World, a highly trusted source that performs reliable in-depth testingcelestron omni 102az telescope Celestron Omni 32mm and 40mm - posted in Eyepieces: Tried searching the site but didnt find any direct links

Omni XLT 120 Telescope (43) $809. Low powered (25mm) and high powered (10mm) eyepiece. Celestron AstroMaster 130EQ with Eyepiece Kit & Smartphone Adapter. 5; Newtonians: Z8 f5. New Omni manual slow-motion altazimuth mount uses worm gears for smooth, easy tracking of celestial or terrestrial targets and slip clutches for quick and easy pointing. Compare Celestron AstroMaster 102AZ 102mm f 6. (89) Learn More. New Listing Celestron Omni AZ102 - Optical Tube Assembly with Dovetail Bar - USED. Celestron’s FREE planetarium app is an astronomy suite that redefines. 00. 95. Slow Motion Knobs 4. Also for: 80, 114, 130, 60, 22096, Nexstar 102slt. mag = aperture in inch X 50. I can't find many reviews on it and I'm wondering if anybody has an opinion on this scope. 5) a few days ago. Overview-. 5 Refractor Telescope Press ‎ ↵ Enter ‎ for Accessibility for. Value $15. In some cases, you may receive. 5) - posted in Beginners Forum (No Astrophotography): Hi everyone. Celestron Omni 32mm and 40mm - posted in Eyepieces: Tried searching the site but didnt find any direct links. 95. Installing a solar filter on to a Celestron telescope. +. 1 out of 5 stars 1,090. Only 16 left in stock (more on the way). Celestron 22065 Astro Master 102AZ Refractor Telescope, Blue. 95. 2. It features fully-coated glass optics, a sturdy and lightweight frame, two eyepieces, a StarPointer red dot finderscope and an adjustable tripod. Its advantage, in addition to a lower price point, is that a 4" aperture, f/9. M92 will be partial at best, and M15 will show outer stars from a dark site. Celestron Omni 102 XLT on CG4? - posted in Refractors : Are these scopes the same? Both are 102mm, both are f/9. My Verdict: In my opinion the Celestron StarSense Explorer DX 102 AZ telescope is a beginner’s ultimate telescope. Omni XLT 150 Telescope. 95. EclipSmart Solar Filter for StarSense Explorer DX 102AZ and Omni XLT AZ 102 Telescopes. 00 + shipping. But Don’t buy an eyepiece less than 6mm, and i suggest sticking with 9mm, the quality drops considerably with lower mm. Lens for Omni xlt 102az - posted in Beginners Forum (No Astrophotography): Hi, I shortlisted two lens to increase magnification of the 660mm scope to 225x. Quality optical components are fully coated using Celestron’s proprietary XLT coatings. Telescopes: Refractor: Celestron DX 102AZ SSE f6. We bought a full line of. Celestron Omni XLT AZ Telescope Series Product Overview ; Designed for both astronomical and terrestrial use, Celestron's Omni XLT AZ 102mm f/6. This proprietary technology—found on our observatory-grade telescopes—ensures maximum light transmission and Omni’s signature crisp views. 95 (1) Add to Cart View Cart. 00 shipped and just received it today. AstroMaster 102AZ Telescope (3,902) $349. A better scope both optically and mechanically is the Explore Scientific AR102. 5 versions and not the longer tubes that are f/9. No question that the Celestron 102 AZ will show you more than the ST80. Omni manual slow-motion alt-azimuth mount uses worm gears for smooth, easy tracking of celestial or terrestrial targets and slip clutches for quick and easy pointing. A wide field telescope has the potential to be wide field if used with low power eyepieces. Style: 40" Telescope Bag 34" Tripod Bag Padded Telescope Bag for 8" Optical Tubes Optical Tube Carrying Case (4/5/6/8 SCT or EdgeHD) Optical Tube Carrying Case (8/9. 8 is excellent all around scope especially for. I believe the StarSense tech is definitely worth the higher. The series also includes an 80mm f/11 refractor and a 114mm f/9 reflector, both for $180 on the lighter LT mount. Using aspheric shaping technology in conjunction with hand-figuring the optics the Omni XLT presents an image with virtually no spherical. Explore Scientific 82° 8. Celestron AstroMaster 102AZ Telescope. CLEARANCE. Celestron Omni XLT 120 Refractor Equatorial Telescope – Choice B Between $650-$800. Celestron Omni 2X Barlow Lens. Normally anything below $200 is junk, but this scope is an exception. GSkyer AZ70400 (70mm x 400mm telescope) review. The Celestron AZ 102 Telescope comes equipped with a smartphone adapter and bluetooth remote. I can't find many reviews on it and I'm wondering if anybody has an opinion on this scope. Yes it had CA but it did provide great lunar views at 150x. AstroMaster 102AZ Telescope (3,902) $349. My Startravel. The Celestron StarSense Explorer DX 102AZ is an achromatic refractor, with a 102 mm doublet lens composed of two different types of glass. Inside the metal, foam-lined carry case you’ll find these accessories: 32mm Plossl Eyepiece - 1. The AstroMaster mount features a panning handle that allows you to make precision adjustments to view celestial and terrestrial objects. . Page 4 of 5 - Celestron 102mm AZ review - posted in Refractors : It appears as though Celestron offers 2 102 achros on altaz mounts. Download the Celestron PWI Telescope Control Software. StarSense Explorer™ LT 114AZ Reflector - 239. Celestron- AstroMaster 114EQ. . 99 Found at: Costco in Redwood City, CA (2300 Middlefield Rd. Although it seems to be very useful the one that comes with Meade Infinity 102 is of low quality. +. Sky-Watcher Evostar 100 ED APO Refractor Telescope; Celestron Omni XLT 102 Telescope; Sharpstar Z4 F/5. 25" star diagonal. NO SOLICITING ON PHONE LINES OR IN STORE. com. SkyPortal App. 49 2 models Celestron StarSense Explorer. SkyPortal App. 25". 5 good value brand new at 188USD? - posted in Beginners Forum (No Astrophotography): My 7 year old daughter is getting very interested in astronomy and i have the opportunity to purchase the Celestron Omni xlt 102AZ for $250CAD (188usd) as her(my) first scope, it is brand new in box. This telescope is great for observers who want clear views of the Moon, planets, star clusters, and more. A new Celestron Omni XLT AZ 102mm Refractor arrived this afternoon from Amazon. 25" eyepieces will fit. StarSense Explorer DX 102AZ StarSense. FBIT. The longer the focal length, the less dramatic the curvature of the lens. Celestron Omni AZ 102 Telescope Unboxing Omni AZ 102 Telescope with Smartphone AdapterKey Features:Ideal for both terrestria. Celestron 2 Year Limited Warranty. Product Details Great optics meets elegant design in the Omni series. Omni XLT; Popular Science by Celestron; PowerSeeker; RASA; SkyProdigy; StarSense Explorer; Travel Scope; Top Accessories. $5 at a garage sale, one 2 element eyepiece, no finder. SkyPortal App. When the bullseye turns green, it’s ready to view in the telescope’s eyepiece. AstroMaster Telescope Line. EclipSmart Solar Filter for PowerSeeker 127EQ, NexStar 130SLT, StarSense Explorer DX 130AZ, StarSense Explorer LT 127AZ, Astro Fi 130, Omni XLT AZ 130, SkyProdigy 130 Telescopes. Omni XLT 150 Telescope (48) $699. Full Name: Celestron Omni XLT 102. So, for the 9. Celestron Omni AZ 102 102mm/f6. +30. Celestron Omni series eyepieces offer a 50º apparent field of view, perfect for the Moon, planets, and a plethora of deep-sky objects. 25" Optical Tubes Accessory Case - 1. The quality optical components are fully coated, and the 90° erect image diagonal keeps the sky right-side-up matching what you see. Celestron AstroMaster 102AZ is a great refractor with a slightly unstable mount. 95, now $399 at Amazon. SHIPPING. AstroMaster 102AZ Telescope (3,902) $349. Buy from HighPoint. The telescope’s wide field of view allows you to appreciate extended objects such as the Andromeda Galaxy, Pleiades Star Cluster, or simply panning the Milky Way. POWERFUL REFRACTOR TELESCOPE: The Celestron AstroMaster 102AZ Refractor telescope is a powerful and user-friendly refractor telescope. 8. However, both telescopes I received were Celestron Omni AZ 102, model 22156-DS according to the box, and model 22156 is written on the telescope. Telescope came with an aluminium tripod, which feels a bit shaky, esp. Celestron AstroMaster 102AZ Refractor Telescope Refractor Telescope for Beginner. The Celestron AstroMaster 102AZ is an achromatic refractor with an objective lens diameter of 102mm, f/6. Affordable, easy to use, and best of all, ISO-certified Solar Safe, all Celestron EclipSmart products comply with the latest ISO 12312-2 standards. 1mm focal length eyepiece. Beyond the asteroid belt lies the fifth and most massive planet in the Solar System, Jupiter. Omni xlt series telescopes (60 pages) Telescope Celestron C90 Instruction Manual. AstroMaster 102AZ Telescope (3,902) $349. Add to Compare. I would recommend at least getting a basic 2X Barlow like the Celestron Omni 2X so you can pair it with the bundled 10mm eyepiece to get close to the maximum supported magnification the. I picked up a second-hand Celestron Omni 102 AZ (102mm f6. i'm delighted with the image quality of the 102, crisp sharp images of Saturn and Jupiter. Universal Barlow and T-Adapter - 1. Omni XLT AZ 130 Telescope. I found a celestron 102AZ but the mount/tripod was very different and many places seemed to really destroy the tripod/mount, so I'm more inclined to the Omni XLT. Celestron Omni XLT AZ Telescope Series Product Overview ; Designed for both astronomical and terrestrial use, Celestron's Omni XLT AZ 102mm f/6. High quality optics start with each lens and/or mirror being hand selected so only the finest grade of optical glass is used. Omni XLT 150 Telescope (48) Learn More. Add to Cart . AstroMaster 102AZ Telescope (3,902) Learn More. Boasting a payload capacity of 11. 8 Refractor Optical Tube Assembly is an ideal choice for making detailed observations of the moon and planets, with the ability to resolve bright deep-sky objects. Celestron AstroMaster 102AZ 102mm f/6. With this new addition to the lineup, our engineers have brought that same level of sophistication to an altazimuth mount. $450. EclipSmart Solar Filter for StarSense Explorer DX 102AZ and Omni XLT AZ 102 Telescopes (14) $27. 5 - posted in Refractors : Ive been in/out of astronomy for last few years due to health issues. Observe in no time with a quick and easy, no-tool setup. Get a large field of view (eye relief), around 60-80 degrees. Joined: 12 Dec 2020. Celestron’s FREE planetarium app is an astronomy suite that redefines how you experience the night sky. 00. 8 OTA (optical tube assembly) HERE . The focuser knobs should be pretty obvious, unless there's something seriously wrong going on, without pics of what you have it's hard to say. Add Celestron EclipSmart Solar Filter for SSE DX 102 / Omni AZ 102 to your order + $27. With its moderate aperture and a respectable focal length, the Celestron Omni XLT 102mm f/9. Celestron Omni XLT AZ vs CG-4 mount for Omni XLT 102 Telescope - posted in Mounts: Hello all, Im a nubie to Cloudy nights and have just purchased a used Celestron Omni XLT 102 refractor without the tripod/mount. Download the Celestron PWI Telescope Control Software. S. Easy assemble tripod included for stable viewing and easy. The two eyepieces offer different magnifications to view your intended object. 25" Eyepieces. $160. Hi guys, i'm new here but have been casually observing for many years using a trusty old Celestron 70AZ. Celestron 22065 Astro Master 102AZ Refractor vs Orion AstroView 120ST Equatorial Refractor Telescope - posted in Equipment (No astrophotography): Ive narrowed down my grab and go search to refractors. Celestron Omni AZ 102 Telescope Review DAD 10. However, as a lightweight, portable, easy to put away, easy to setup and use Telescope such as the Omni AZ 102, you can't go wrong. What do I do? I own very similar AstroMaster 102AZ (your has better mount) The first and most important thing you need to do so. 44 x 76. 5 focal ratio, and a resulting focal length of 660mm. Assembly was easy. 5mm exit pupil comes from a 4. My Verdict: In my opinion the Celestron StarSense Explorer DX 102 AZ telescope is a beginner’s ultimate telescope. $299. 2013 Sport Optics Guide. I have both and will be selling the Meade. Online Only. Celestron StarSense Explorer DX 102AZ - Strong reviews, StarSense Orion ShortTube 80-A Refractor Telescope with one of the following tripods: Orion Tritech II Field Tripod with Fluid Pan Head; Orion VersaGo E-Series Altazimuth Mount; or Orion Paragon-Plus XHD Extra Heavy-Duty Tripod x Ed Ting had a video that mentioned this as a solid starter. ISO-compliant Solar Safe Filter Technology Filter conforms to ISO 12312-2:2015(E), Filters for Direct Observation of the Sun. I was not aware that Costco was selling Omnis this past Christmas. 08. Celestron Omni Finderscope (White) $19. This item: Celestron 93325 40mm Omni Eyepiece (Silver/Black) $4590. 1. A beginner scope that’s easy to move and easy to use. Your Omni AZ telescope also includes a high-quality 25 mm Plossl eyepiece. With StarSense Explorer DX, they took the risk again, and it seems to have paid off. REASONS TO BUY: +Very good quality optics. Motor Assy - ALT/DEC for NexStar 6/8 SE Telescopes Learn More. 6K subscribers Subscribe 282 26K views 2 years ago #telescope Celestron Omni AZ 102 Telescope. Decrease Quantity of Celestron Omni XLT 120 Refractor Increase Quantity of Celestron Omni XLT 120 Refractor. This means less bending, and this means less splitting of. A large 10” parabolic primary mirror with XLT coatings helps you make the most of StarSense technology. or Best Offer. 25” Optical Tube Celestron Padded Telescope Bag for 11” Optical Tube ; Outer Material: 900 Denier Polyester : 900 Denier Polyester : 900 Denier Polyester : 900 Denier Polyester : 900 Denier Polyester The Omni 102AZ comes with two eyepieces (20mm and 10mm), finderscope, erect image diagonal, and a smartphone adapter. 95 Add to Cart. Page 4 of 7 - Celestron Omni AZ 102 Discussions and Input - Owners Only Please - posted in Refractors : Mine was 3 Christmas ago Tony. AstroMaster 102AZ Telescope (3,902) $349. 5 Reflector Telescope with Smartphone Adapter NEW. Celestron. Celestron Astromaster 130 EQ/AZ review. 95 Add to Cart. you can also buy a barlow lens, I know that the SVBONY SV137 Barlow is a really good 2x barlow if you are on a budget. Patented, award-winning StarSense sky recognition technology uses your smartphone to analyze star patterns overhead and calculate the telescope’s position in real-time. 75 tripod but not sure about the. The focuser knobs should be pretty obvious, unless there's something seriously wrong going on, without pics of what you have it's hard to say. $159. Add to Cart. Altazimuth Mount. g. Celestron Omni XLT 102mm f/6. Celestron Omni XLT 102 102mm f/9. 25" (2,092) $39. I am using the. Sort By. 00 shipped and just received it today. EclipSmart Solar Filter for StarSense Explorer DX 102AZ and Omni XLT AZ 102 Telescopes (14) $27. Celestron refracting telescopes instruction manual (9 pages) Accessories Celestron 21020 Communication. 5 achromatic refractor. Added to Cart . Celestron AstroMaster 102AZ. 25" Eyepieces. The price of the StarSense explorer is higher than that of a comparable telescope by about 20% due to the value added by the sky recognition app. $2500. The short focal length is ideal for viewing star clusters and nebulae, while the erect image diagonal makes the optical tube ideal for using as a spotting scope during the day. August 23, 2023. AUX & HC Board for the CPC series only Learn More. Quiet a few Open Star Clusters, some Nebulae, a few Galaxies, A small selection of Globular Clusters, and many Multi-Star Systems will be a. (776) Learn More. The Celestron 21088 Omni XLT 102 telescope is a traditional refractor style telescope which hobbyists and astronomers alike will be able to appreciate. → Equipment (No astrophotography) ·. Get it as soon as Tuesday, Nov 28. 5 Fully Air-Spaced Sextuplet; Celestron AstroMaster 102AZ f/6. Omni XLT 150 Telescope Omni XLT 120 Telescope Omni XLT 102 Telescope. Hi, This is a target specific question only for people who have actually used both of the above telescopes. The Celestron Omni has a 102mm (4 inch) objective lens, making it bigger and badder than my Tasco. It features fully. This powerful telescope boasts a 102mm aperture and maximum magnification of 60-79x, allowing for clear and detailed views of the stars and planets. Plus, this dual-purpose telescope with erect image optics can. The planets doesn’t seem to be in a good position these days, Venus is super bright but just looks like a white dot even with the 10mm eyepiece + a Barlow. Celestron Omni series eyepieces offer a 43º apparent field of view, perfect for the Moon, planets, and a plethora of deep-sky objects. Add to Wish List. . But because the. Optical Design: Refractor. I made sure she understood the nessesity of spending a bit more than 100 dollars for a decent scope. Omni manual slow-motion alt-azimuth mount uses worm gears for smooth easy tracking of celestial or terrestrial targets and slip clutches for quick and easy pointing. At this. Have not seen reviews for that yet. Celestron. A new Celestron Omni XLT AZ 102mm Refractor arrived this afternoon from Amazon. Celestron has always been the company that takes the risk of innovation in astro-tech. Three neutral density (ND) filters: ND96-0. moon would be big. I’ve been using 2” diagonals with Televue eyepieces for years and. Never use your. Celestron Omni 102 f/10 Refracting Telescope and Vixen Alt/AZ Porta Mount. Observed only a house & trees with a 20mm Kellner supplied. NOTE: It appears that this scope has been rebranded the "Celestron StarSense 102 DX", which includes push-to-go-to. At this aperture and focal ratio, there is a fair amount of chromatic aberration, but sharp views of the Moon and planets are still possible. Using aspheric shaping technology in conjunction with hand-figuring the optics, the Omni XLT presents an image with virtually no spherical aberration. The Largest Telescope Distributor on Long Island, NY You can find Astronomical cameras. Celestron StarSense Explorer DX 102AZ: was $469. The Celestron AstroMaster 130EQ was loved by reviewers at Digital Camera World, a highly trusted source that performs reliable in-depth testing. 95. Free shipping on many items. 25”. The UniStellar eVscope eQuinox telescope is 100x more powerful than the typical telescope. Omni XLT 150 Telescope (48) $699. Buy now &. AstroMaster 102AZ Telescope (3,902) $349. $799. 99 Coupon Available. 8mm Plossl Eyepiece - 1. . 24 2016. 75in Tube, 22065. 3 50% T — These filters dim the entire visual. The Celestron AstroMaster 102AZ is an achromatic refractor with an objective lens diameter of 102mm, f/6. Costco Celestron Telescope unboxing testing Omni AZ 102 with smartphone adapter slow motion controlsLocation of Allen wrench @14:00bob spurlocspurlockPage 3 of 4 - Advice for upgrade(s) to kit Celestron Omni AZ 102 Refractor (660mm, f/6. Add to Cart Find a Retailer. Download the Celestron PWI Telescope Control Software. 10. The AstroMaster 102AZ is a grab-and-go, and there is no maintenance required at all, and it is able to provide fantastic images. Celestron- PowerSeeker 70AZ Telescope. This is a target specific question only for people who have actually used both of the above telescopes. Celestron Omni series eyepieces offer a 50º apparent field of view, perfect for the Moon, planets, and a plethora of deep-sky objects. 95. Celestron Omni AZ 102 102mm Telescope w Smartphone Adapter 22157. 95 Add to Cart. However the price is very good. Download the Celestron PWI Telescope Control Software. Omni XLT 150 Telescope (48) $699. Open Monday through Friday 9-6pm PST and Saturday 10-4pm PST. Mars through Celestron Omni AZ 102 Telescope is the Full Moon from Earth through Celestron Omni AZ 102 Telescope NexStar 102SLT 102mm f/6. Celestron 22150-CGL 102 mm Omni XLT AZ Refractor Telescope Black/White. The controller works with NexStar+ or StarSense hand controls running the latest firmware or Celestron CPWI telescope control software, included with every Celestron mount. 00. EclipSmart Solar Filter for PowerSeeker 70AZ/EQ and Travel Scope 70 Telescopes. . 1. However, it's worth noting that all three models come with the same CG-4. 00 $299. This Omni XLT package from Celestron features a 102mm ED refractor optical tube and the CG-4 equatorial mount. 8 achromatic refractor optics. Compare Celestron StarSense Explorer vs Celestron DX 102AZ vs Celestron Omni XLT. Celestron StarSense Explorer DX 102AZ Refractor Telescope . Does anyone have experience with Celestron 102SLT/F6. AstroMaster 102AZ Telescope (3,902) Learn More. 5 Alt-Az Refractor Telescope is a complete observational platform for making detailed observations of the moon and planets or for comet-hunting. Celestron also sells a 120mm model (read our Celestron Omni XLT 120 review) and a 150mm version of the same telescope. Celestron Omni 2X Barlow Lens. Add Celestron EclipSmart Solar Filter for SSE DX 102 / Omni AZ 102 to your order. You could purchase a 2x or 3x barlow for your ST80 and the. Have a couple questions hopefully I can get some advice on. 95. 25” Eyepiece and Filter Kit is a great way to expand the functionality and enjoyment of your telescope. Take control of your telescope! Download the Celestron PWI Telescope Control Software. I recently saw the Celestron Omni AZ 102 telescope on sale at Costco for under $200. Add to Cart. 7% more. High- Quality 102MM Optics, The heart of the system is a fully-coated 102mm achromatic lens. The combination of medium-sized aperture and reliable refractor design keeps. → Equipment Discussions. 99. Celestron’s AstroMaster 102AZ Refracting telescope is extremely easy to set up and comes ready to perform straight out of the box. 95. Buy Celestron StarSense Explorer DX 102AZ 102mm f/6. The ES AR102 is listed at $499 on the ES website. 5 AZ Refractor Telescope featuring Use Smartphone App for Star Navigation, Follow Directions to Find Great Objects, Advanced Precise Alignment Algorithm, 102mm f/6. This 102mm (4") telescope is the entry level refractor in Celestron's Omni XLT line, although its quality is identical to its larger aperture 120mm (4. Eye Piece Lens Description. Download the Celestron PWI Telescope Control Software. The Celestron Omni XLT 102 is aimed at intermediate-level skywatchers, particularly those who have mastered setting circles and know how to use the right ascension and declination coordinates on the supplied high-quality CG-4 German equatorial mount. 25" star diagonal. ) Celestron Omni 102AZ Telescope -- Costco - $160 instore only (YMMV) $160. Eyepieces Included: 25 mm, 10 mm. The 102AZ is on a photo tripod head design and the XLT 102 AZ on the one-arm style with slo-mo controls. Celestron Omni 2X Barlow Lens. The technology built into the StarSense Explorer App is impressive. It features fully-coated glass optics, a sturdy and lightweight frame, two eyepieces, a StarPointer red dot finderscope and an adjustable tripod. Celestron AstroMaster 102AZ Telescope, 4in, f/6. Computerized technology with a built-in database that makes it easy to find specific stars, galaxies, and other celestial bodies. July 25, 2023. The Ultimate Guide to Observing Jupiter. For the AstroMaster 130EQ, the highest useful magnification is achieved with a 2. Celestron 22150-CGL 102 mm Omni XLT AZ Refractor Telescope Black/White. Amazon. UniStellar has equipped this Newtonian Reflector with proprietary Enhanced Vision technology to allow for live observations of faint objects, so the. Additional Hardware and Specs for the Celestron Omni AZ 102 Refractor Telescope You’ll be ready to observe in minutes thanks to the quick and easy no-tool setup. The Celestron 22150 Omni XLT AZ 102 has good reviews from independent sources. 5 Fully Air-Spaced Sextuplet; Celestron AstroMaster 102AZ f/6. CLEARANCE. $36. Ball bearings in both axis of the mount for smooth performance. Celestron – StarSense Explorer DX 102AZ Smartphone App-Enabled Telescope – Works with StarSense App to Help You Find Stars, Planets & More – 102mm Refractor –. Celestron Omni XLT 102 102mm f/9. $2500. Different websites have recommended maximum magnification of 200x but Celestron says 240x. Quality optical components are fully coated using Celestron. These seem to be the same as the Celestron 22155 (perhaps they are the Canadian version of the 22155). 5: Optical Coatings:. Buy herealtazimuth telescope and with pan handle control. The Celestron 21088 Omni XLT 102 telescope is a traditional refractor style telescope which hobbyists and astronomers alike will be able to appreciate.