Each image in Aurora is tagged with a processing version that reflect the algorithms used to generate the final output. **This version indicates the exact set of radiometric, geometric, atmospheric, and packaging algorithms used to generate the image.**
The Product Versions section provides a public reference for all released processing versions and the improvements introduced in each.
| **Processing Version** | **Release Date** | **Key Updates** | | ------------------------------- | ---------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | **030009.030002.030005.030005** | 11 May 2026 | Stripe correction improvements,Kernel-based de-noising to replace BM3D,improved non-uniformity correction [Details](#latest-version) | **030007.030002.030005.030005** | 15 Apr 2026 | Bug fix to remove quantisation noise [Details](#previous-version-11) | **030007.030002.030004.030005** | 25 Mar 2026 | Skip BM3D noise correction;Added support for open loop projection [Details](#previous-version-10) | **030006.030001.030004.030006** | 16 Mar 2026 | Updated NUC coefficients, and radiometric calibration coefficients [Details](#previous-version-9) | | **030005.030001.030004.030005** | 12 Mar 2026 | Added MNF denoising algorithm [Details](#previous-version-8) | | **030004.030001.030004.030005** | 06 Mar 2026 | Updated radiometric gain and offsets [Details](#previous-version-7) | | **030003.030001.030004.030005** | 20 Feb 2026 | Fixed bright pixel saturation; New cloud mask model for L1C/L2A products [Details](#previous-version-6) | | **030003.030001.030003.030003** | 03 Feb 2026 | Enhanced true-colour preview generation [Details](#previous-version-5) | | **030003.030001.030003.030002** | 29 Jan 2026 | Improved ISOFIT atmospheric correction by integrating a noise model [Details](#previous-version-4) | | **030003.030001.030002.030001** | 23 Jan 2026 | Reduced high-frequency noise in imagery; Updated radiometric calibration for improved consistency [Details](#previous-version-3) | | **030001.030001.030002.030001** | 25 Nov 2025 | Enhanced atmospheric correction to reduce artefacts in surface reflectance products [Details](#previous-version-2) | | **030001.030001.030001.030001** | 10 Oct 2025 | Initial release with post-launch radiometric calibration, improved geometric correction, ISOFIT atmospheric correction, and standardized imagery packaging [Details](#previous-version-1) |
## How to Read a Processing VersionA processing version is represented as:
**Radiometric · Geometric · Atmospheric · Packaging**
Each segment is versioned independently and may change as specific components are improved. ## Processing Version History## Latest Version **030009.030002.030005.030005**
Released: 11 May 2026
**Radiometric Algorithm Updates(3.0.9)** - Stripe correction improvements - Kernel-based de-noising to replace BM3D - Improved non-uniformity correction ### Previous Versions **030007.030002.030005.030005***Released: 15 Apr 2026*
**Atmospheric Correction Updates(3.0.5)** - Bug fix to remove quantisation noise. --- **030007.030002.030004.030005***Released: 25 Mar 2026*
**Radiometric Algorithm Updates(3.0.7)** - Skip BM3D noise correction. **Geometric Algorithm Updates(3.0.2)** - Added support for open loop projection. --- **030006.030001.030004.030005***Released: 16 Mar 2026*
**Radiometric Algorithm Updates(3.0.6)** - Updated NUC coefficients, and radiometric calibration coefficients. --- **030005.030001.030004.030005***Released: 12 Mar 2026*
**Radiometric Algorithm Updates(3.0.5)** - Added MNF denoising algorithm. --- **030004.030001.030004.030005***Released: 06 Mar 2026*
**Radiometric Algorithm Updates(3.0.4)** - Updated radiometric gain and offsets. --- **030003.030001.030004.030005***Released: 20 Feb 2026*
**Atmospheric Correction Updates(3.0.4)** - Fixed bright pixel saturation that led to value overflow. **Packaging(3.0.5)** - Removed atmospheric correction version from L1B and L1C package. - New cloud mask model for L1C/L2A products (new class of SNOW/ICE is introduced). --- **030003.030001.030003.030003***Released: 03 Feb 2026*
**Packaging (3.0.3)** - Updated true colour image generator. --- **030003.030001.030003.030002***Released: 29 Jan 2026*
**Atmospheric Correction Updates(3.0.3)** - Integrated noise model to improve the performance of ISOFIT model **Packaging(3.0.2)** - Added support to optionally generate L1B product --- **030003.030001.030002.030001***Released: 23 Jan 2026*
**Radiometric Algorithm Updates(3.0.3)** - Reduced high-frequency grainy noise in imagery - Updated radiometric calibration to ensure consistency after noise reduction --- **030001.030001.030002.030001***Released: 25 Nov 2025*
**Atmospheric Correction Updates(3.0.2)** - Enhanced atmospheric correction to reduce artefacts in surface reflectance products --- **030001.030001.030001.030001***Released: 10 Oct 2025*
**Radiometric Algorithm Updates(3.0.1)** - Post-launch radiometric calibration updates - Image de-striping and de-noising improvements - Sensor normalization across all detectors **Geometric Algorithm Updates(3.0.1)** - Improved geometric correction and orthorectification **Atmospheric Correction Updates(3.0.1)** - Atmospheric correction using ISOFIT **Packaging(3.0.1)** - Standardized delivery package including: 1. GeoTIFF imagery 2. Metadata 3. Image footprint 4. Preview imagery