NightScape Lab vs StarStaX
StarStaX is the tool most star-trail photographers learned on, and it's free. It blends a folder of exposures into trails in seconds, fills small gaps, and has a comet mode people genuinely love. NightScape Lab approaches trails from the other end: RAW-native, calibrated, five distinct looks, dispatched straight from Lightroom Classic or built right in the Photoshop panel, as one part of a complete landscape-astrophotography darkroom. Both are honest ways to make trails; they're built for different workflows.
The free trails tool most people learned on
StarStaX is free for any use, runs on macOS and Windows, and does its one job with real polish: six blending modes (Lighten, Darken, Average, Addition, Subtraction, Multiplication), interactive gap filling to close small breaks in the trails, a comet mode that tapers each trail, dark-frame averaging and subtraction for hot pixels, and it's fast even on long sequences. Feed it JPEG or TIFF exports and you have trails in minutes. If that's the whole job, there is nothing wrong with keeping it forever.
Trails built from the RAWs, inside the darkroom
StarStaX blends the files you export to it. NightScape Lab starts earlier, at the sensor data, and finishes later, in your catalog and your Photoshop document.
- ✓RAW-native, calibrated. Trails are built directly from your RAW frames with dark-frame calibration, no export step, no JPEG generation loss. Hundreds of full-resolution RAWs process in minutes.
- ✓Five looks, one slider away. Solid, Comet, Meteor, Fade, and Vortex, with gap filling and star-point heads, drawn over a clean, noise-rejected foreground instead of a whole-frame blend.
- ✓Dispatched from Lightroom. Select the night's frames in Lightroom Classic and choose Star Trails in NightScape. The finished image saves beside your sources, imports into your catalog automatically, and opens in Photoshop. Or run it with full per-look control right in the panel.
- ✓Part of the whole darkroom. The same $129 purchase covers calibrated nightscape stacking, White Balance, Defringe, star tools, and the Foreground Sky Merge. Trails are one room in the house, not the whole house.
Capability comparison
| Capability | NightScape Lab | StarStaX |
|---|---|---|
| Price | $129 once, whole darkroom | free |
| Platforms | macOS & Windows | macOS & Windows |
| Builds trails from RAW files | ✓ native, calibrated | ✗ JPEG/TIFF/PNG input |
| Dark-frame handling | ✓ calibration before trails are drawn | ✓ averaging + subtraction |
| Trail looks | five: Solid, Comet, Meteor, Fade, Vortex | Lighten trails + comet mode (six blend modes) |
| Gap filling | ✓ with star-point heads | ✓ interactive |
| Noise-rejected foreground under the trails | ✓ separate foreground stream | ✗ whole-frame blend |
| Nightscape stacking & finishing beyond trails | ✓ stack, stars, Foreground Sky Merge | ✗ trails and blending only |
| Lightroom Classic dispatch + auto catalog import | ✓ | ✗ |
| Runs inside Photoshop | ✓ panel | separate app |
| One-time or subscription | one-time | free |
Honest questions
StarStaX is free. Why pay $129?
If trails from your JPEG or TIFF exports are the whole job, don't pay. StarStaX does that well and costs nothing. NightScape Lab makes sense when trails are one part of your night work: the $129 covers RAW-native trails in five looks plus calibrated stacking, star tools, the Foreground Sky Merge, and the Lightroom round-trip. You're buying the darkroom, and trails come with it.
Does NightScape Lab have a comet look too?
Yes. Comet is one of the five looks, alongside Solid, Meteor, Fade, and Vortex, each with gap filling and star-point heads, and a trail-length control that scales with the sequence.
What does RAW-native actually buy me?
No export step, and no 8-bit ceiling. The engine develops your actual sensor data, applies dark-frame calibration before a single trail is drawn, and keeps the foreground on its own noise-rejected stream instead of blending every frame's foreground noise together. The result imports into your Lightroom catalog and opens in Photoshop ready to finish.
Can I keep using StarStaX alongside NightScape Lab?
Of course. Plenty of photographers will keep StarStaX for quick JPEG blends and use NightScape Lab when a night deserves the full RAW treatment. They don't conflict; they're just different depths of the same craft.
Any gotchas with NightScape Lab's trails?
One honest guardrail: trails need a fixed camera. Feed the engine tracker-aligned frames and it politely refuses, and tells you why.
A night of frames. Five kinds of trails.
RAW-native star trails inside Photoshop and Lightroom Classic, in the same purchase as the whole nightscape darkroom. macOS & Windows.
30-day money-back guarantee. If it's not for you, email for a full refund, no questions asked.