18 x 24 Star Map — Personalized Night Sky Poster (18 x 24 inches)
The poster-sized star map.
Bold enough for a living room wall, intimate enough for a meaningful private space. The largest format we offer — designed for the wall that deserves a single statement piece, not a cluster of small frames.
What is an 18 x 24 star map?
An 18 x 24 star map is a personalized print of the exact night sky as it appeared above a chosen date and location, sized to the US standard small-poster dimension (45.7 by 61.0 centimeters). At this scale, the print is a real wall statement — large enough to anchor a living room sofa wall, a primary-bedroom feature wall, or a dining-room focal area without competing for space with other framed pieces. Each map is generated from 8,921 real stars in the HYG v4.2 catalog using IAU sidereal time algorithms, rendered with stereographic projection from the precise GPS coordinates of your chosen location. Available as an instant 300 DPI PDF download from ~￥2,212, or as a premium FSC-certified print shipped rolled in a rigid mailing tube across the United States in 5 to 8 business days. Configure your date, location, and one of eight visual styles live.
When the 18 x 24 size makes sense
Living room statement piece
The single artwork above a sofa, a fireplace mantel, or a console table. Carries the wall on its own without needing a matching set of smaller frames.
Anniversary year-by-year wall
One 18 x 24 print marks the wedding sky. Subsequent anniversaries build a continuing tradition. The first print sets the visual standard the others follow.
Primary bedroom focal art
Hangs above the headboard in primary or guest bedrooms with eight-foot or higher ceilings. Reads cleanly from across the room without feeling oversized.
Newlywed home anchor
The first big art purchase for a couple settling into their first home together. Substantial enough to feel permanent, personal enough to mean something.
Memorial dedication wall
For a meaningful private space — a den, a study, a hallway — the larger format reads as commemorative, not decorative. Stops people the first time they walk by.
High-impact corporate or studio gift
Studio openings, retirements, founder gifts. The 18 x 24 size signals 'this is a real present', not a quick token. Pairs well with a personalized inscription plate.
How a personalized 18 x 24 star map is made
Choose the date and city
Enter the moment — wedding, engagement, birth, anniversary — and the city. We resolve GPS coordinates automatically and compute local sidereal time using the IAU algorithm.
Pick the 18 x 24 size
Select 18 x 24 in the configurator, pick a shape (circle, rectangle, or arched), a color theme, and add an inscription. The live preview updates as you change anything.
Download or order print
Get the 300 DPI PDF (5400 x 7200 pixels) by email instantly, or order the FSC-certified print rolled in a heavy-duty tube to any US address in 5 to 8 business days.
Planning the wall for an 18 x 24 print
Before ordering at this size, measure twice. An 18 x 24 print in a standard poster frame ends up roughly 20 x 26 inches including the frame border, and 24 x 30 inches if matted. As a rule of thumb, the artwork should occupy about two-thirds of the wall above a sofa or sideboard — meaning an 18 x 24 framed piece is well suited to walls between 5 and 8 feet wide.
Hang height matters too: the print's center should sit at about 57 inches from the floor in living rooms (museum standard) or 4 to 6 inches above a sofa or headboard. At 18 x 24, going too high makes the room feel disjointed; going too low makes the print look like it's floating off the furniture.
If you're unsure whether the 18 x 24 will fit, the 16 x 20 size delivers most of the same impact with more flexibility — it works in narrower rooms and pairs more naturally with gallery clusters. The 18 x 24 is the right call when the print is meant to be the room's main visual anchor.
“We bought the 18 x 24 for our living room — the sky over our wedding night, framed in dark walnut, hung above the sofa. Every guest who walks in stops and asks about it. It was the right call to go big for that wall.”
— Jennifer M., Charleston, SC
Frequently asked questions about the 18 x 24 star map
What's the actual size of an 18 x 24 star map in cm?+
Exactly 45.7 cm by 61.0 cm — the standard US movie-poster format. This is the largest print we offer and roughly the same surface area as two 11 x 14 prints stacked vertically. At this size, the inscription and constellation labels remain comfortably readable from a couch or across a dining table, while the print itself genuinely anchors a wall. Note: 18 x 24 is the US standard small-poster format, distinct from the European A2 (42 x 59.4 cm) — the dimensions differ by a few centimeters, so make sure your frame matches the print, not the metric A2 alternative.
Will it fit a standard 18 x 24 frame?+
Yes — 18 x 24 is the standard US poster-frame size and is stocked by every major retailer (Target, Walmart, Michaels, Aaron Brothers, IKEA's RIBBA line). A basic black wood 18 x 24 poster frame costs $20 to $40 at a big-box store. A premium matted gallery frame from Framebridge or Pottery Barn runs between $150 and $260 because the matte and glass at this size are significantly more expensive than smaller formats. The print ships rolled in a heavy-duty mailing tube and takes about two hours to uncurl flat once removed.
How is the 18 x 24 different from the 8.5 x 11 and 16 x 20 sizes?+
The 18 x 24 is a true statement piece — designed to be the dominant artwork on a wall, not part of a gallery cluster. It works best in larger rooms (living rooms, primary bedrooms, dining rooms with high ceilings) and on walls of at least eight feet wide. The 16 x 20 is the gallery-friendly all-rounder; the 8.5 x 11 is the desk and memory-shelf size. If you want one print to define the room, 18 x 24 is the right size. If you want flexibility to mix with other framed pieces, the 16 x 20 is more forgiving.
What paper and inks are used for the 18 x 24 print?+
We print on 200 gsm FSC-certified premium matte paper with archival-grade pigment inks rated for over a century of indoor display without fading. At the 18 x 24 size, the matte finish is especially important — a glossy poster this large mirrors entire rooms under typical lighting and washes out the constellations. We ship the print rolled in a heavy-duty mailing tube with end caps, wrapped in acid-free tissue to prevent abrasion against the cardboard. Plan on two hours of flattening time on a clean flat surface before framing.
Can I get the 18 x 24 size as a digital PDF only?+
Yes. The digital PDF is delivered at 300 DPI in the 18 x 24 aspect ratio (5400 x 7200 pixels), which is the largest resolution we generate. The file is ideal for sending to a professional print shop, uploading to a custom service like Framebridge or Mpix, or printing on heavyweight art paper at a local fine-art lab. Many customers order the digital file and have it mounted on canvas, dibond, or rigid foam board at a local frame shop for a museum-grade finish. The PDF is delivered to your inbox seconds after checkout.
The poster-sized star map for walls that deserve a statement
Create your personalized 18 x 24 star map in under 5 minutes. Digital PDF from ~￥2,212. Premium prints ship rolled across the US in 5 to 8 business days.
Create my 18 x 24 star map