About Sky Image Lab
About Sky Image Lab
About Sky Image Lab
Twenty-five years of translating telescope data into something you can hang on a wall.
Sky Image Lab is a space photography studio based in the San Francisco Bay Area. Since 2001, we've specialized in museum-quality prints drawn from the world's premier astronomical archives — the James Webb Space Telescope, Hubble, NASA's Apollo missions, and the European Southern Observatory, along with independent astrophotographers working with ground-based observatories.
What started as a personal obsession with astronomy and digital imaging has grown into a catalog of over 280 prints, shipped to collectors, research institutions, and space enthusiasts in more than 100 countries worldwide.
280+
Prints
55k+
Prints Shipped
100+
Countries
Our sources
Every image originates from the same archives that supply the world's leading science institutions
NASA's image library, the Mikulski Archive for Space Telescopes, the ESO archive, and the Apollo Lunar Surface Journal. We work from the highest-resolution files available — the same master files produced by STScI's imaging specialists, the team responsible for the official Hubble Heritage and JWST release images.
"Some images in our collection were obtained by contacting the source institutions directly — files that have never been made available for public download. We begin where they leave off."
The remastering process
A NASA release file and a museum-quality print are separated by decisions most print shops never make.
Official release images are calibrated for backlit screens. Paper isn't a screen. A backlit monitor can display roughly 20 times more contrast than matte paper — meaning the faint wisps of gas and dust that make these images extraordinary can simply vanish in print if nothing is done about it.
Getting it right takes longer. It means treating every image as its own problem: separating the stars from the surrounding nebula using specialized software, so that each can be adjusted independently without one compromising the other. It means calibrating for each print medium separately, because metal, luster, and matte paper each respond to ink differently. The same approach used by the imaging specialists who produce the official Hubble and JWST releases — applied to the specific, unforgiving physics of ink on paper.
It also means being honest about the source material. Some of the most iconic images in our collection — early Hubble photographs, Voyager frames, images of objects billions of light-years away — were captured by instruments pushing the edge of what physics allows. Resolution has limits. We work to extract every detail the source contains, but we don't invent what isn't there.
The goal is precision: reproducing the image as accurately as it would appear on a high-quality backlit display, then translating that fidelity into a physical print.
The result is a print that reveals detail and depth you won't find in a standard download from a public archive.
01
Acquire master source file
Highest-resolution files from STScI, MAST, ESO, and NASA archives — some files never available for public download
02
Color space conversion
Source files moved from sRGB into a wide-gamut 16-bit working space to preserve the maximum tonal and color precision for editing
03
Black point calibration
Output black points are set precisely for each substrate. Matte paper, luster, and metal each compress shadow gradients differently — calibrating per medium keeps dark space backgrounds rendering with separation rather than collapsing to a flat tone.
04
Luminosity Masking
Tonal adjustments are applied through luminosity masks targeting specific ranges independently — pulling up faint nebulosity in the lower midtones while leaving stellar brightness and deep space backgrounds undisturbed.
05
Star / nebula separation
Ink spread on paper physically enlarges stars. Without compensation, a field of pinpoint stars becomes a field of white blobs. We isolate the stellar layer, reduce star size and refine color, then recompose it over an independently processed nebula
06
Noise Reduction
Applied only to the dark sky background via the starless layer, leaving nebula texture and stellar profiles untouched
07
Sharpening + soft proof"
Output sharpening applied after final resize. Every file proofed against the exact paper and color profile before going to press
"These images were made possible by public funding and the work of thousands of scientists and engineers."
Translating that data into something you can hang on a wall — and have it actually look right — takes preparation most vendors skip. We've spent over 25 years building that process.
Explore all 280+ Prints