Astrophotography, organized

EIGHT INSTRUMENTS.
ONE NIGHT SKY.

One tool to frame the photographs you bring home, and seven more to plan the nights you haven’t shot yet — the Messier, Caldwell, Sharpless, Herschel, Barnard, Abell and vdB catalogues, fully charted.

Free tools for astrophotographers

Deep Sky Studio icon

Deep Sky Studio

Custom borders, captions and a half-visible watermark for your astrophotography — processed entirely in your browser.
100–400px borders · full colour wheel
35 fonts, nebula & starfield textures
Open the tool →
Messier Catalog Builder icon

Messier Catalog Builder

Plan and log sessions across all 110 Messier objects, offline, on your own machine.
Exposure, gain & equipment logs
Windows · macOS (Apple Silicon & Intel)
Learn more & download →
Caldwell Catalog Builder icon

Caldwell Catalog Builder

The 109 objects that round out the Messier list, with the same planning and logging tools.
Companion to the Messier builder
Windows · macOS (Apple Silicon & Intel)
Learn more & download →
Sharpless Catalog Builder icon

Sharpless Catalog Builder

Plan and log sessions across the 313 emission nebulae of the Sharpless catalog, the same way you track Messier and Caldwell targets.
Companion to the Messier & Caldwell builders
Windows · macOS (Apple Silicon & Intel)
Learn more & download →
Herschel Catalog Builder icon

Herschel Catalog Builder

The Astronomical League’s 400-object Herschel list, with the same planning and logging tools as Messier and Caldwell.
Companion to the Messier & Caldwell builders
Windows · macOS (Apple Silicon & Intel)
Learn more & download →
Barnard Catalog Builder icon

Barnard Catalog Builder

Plan and log sessions across the 349 dark nebulae of Barnard’s catalog, the same way you track your other targets.
Companion to the Messier, Caldwell & Sharpless builders
Windows · macOS (Apple Silicon & Intel)
Learn more & download →
Abell Catalog Builder icon

Abell Catalog Builder

Track the 86 planetary nebulae of the Abell catalog, with the same planning and logging tools as your other targets.
Companion to the Messier, Caldwell & Sharpless builders
Windows · macOS (Apple Silicon & Intel)
Learn more & download →
vdB Catalog Builder icon

vdB Catalog Builder

Plan and log sessions across the 158 reflection nebulae of the van den Bergh catalog, the same way you track your other targets.
Companion to the Messier, Caldwell & Sharpless builders
Windows · macOS (Apple Silicon & Intel)
Learn more & download →
Checklists To Help Manage Your Catalogs