---
Type: desktop-application
ID: org.siril.Siril
Package: siril
ProjectLicense: GPL-3.0+
Name:
C: Siril
fr-FR: Siril
Summary:
C: Astronomical image processor
fr-FR: Traitement d'images astronomiques
Description:
ru-RU: >-
<p>Siril это инструмент обработки, специально разработанный для подавления шумов и улучшения отношения сигнал/шум с помощью сложения множества
изображений.</p>
<p>Siril умеет выравнивать автоматически и вручную, складывать и улучшать изображения различных форматов и последовательности (видеоролики
и SER файлы).</p>
it-IT: >-
<p>Siril è uno strumento per l'elaborazione delle immagini adatto soprattutto per la riduzione del rumore e per migliorare il rapporto
segnale/rumore di un'immagine a partire da acquisizioni multiple, come richiesto in astronomia.</p>
<p>Siril può allineare automaticamente o manualmente, sommare e migliorare immagini a partire da vari formati di file, anche sequenze
di immagini (filmati e file SER).</p>
ar-DZ: >-
<p>Siril هو برنامج معالجة الصور المصممة خصيصا للحد من الضوضاء وتحسين نسبة الإشارة / الضوضاء صورة من يلتقط متعددة، كما هو مطلوب في علم
الفلك</p>
<p>Siril يمكن محاذاة ,تلقائيا أو يدويا ، وتعزيز الصور من صيغ الملفات المختلفة ، وحتى الصور متواليات ( الأفلام وملفات SER ) .</p>
de-DE: >-
<p>Siril ist ein Bildbearbeitungsprogramm, das speziell auf die Geräuschreduzierung und Verbesserung des Signal-Rausch-Verhältnisses eines
Bildes aus mehreren Aufnahmen abgestimmt ist, wie in der Astronomie erforderlich.</p>
<p>Siril kann Bilder mit verschiedenen Dateiformaten und sogar Bildsequenzen (Filme und SER-Dateien) automatisch oder manuell ausrichten,
stapeln und verbessern.</p>
el-GR: >-
<p>Το Siril είναι ένα εργαλείο επεξεργασίας εικόνων ειδικά κατασκευασμένο για τη μείωση θορύβου και τη βελτίωση του λόγου σήματος/θορύβου
μιας εικόνας από πολλαπλές λήψεις, όπως απαιτείται στην αστρονομία.</p>
<p>Το Siril μπορεί αυτόματα ή χειροκίνητα, να σωρεύσει και να ενισχύσει εικόνες από διάφορους τύπους αρχείων, ακόμα και από αλληλουχίες
εικόνων (ταινίες και αρχεία SER).</p>
nl-BE: >-
<p>Siril is een programme voor beeldbewerking, speciaal gericht op ruisvermindering en verhoging van het SNR van een afbeelding afkomstig
van meerdere opnames, zoals vereist in astronomie.</p>
<p>Siril kan automatisch of manueel beelden in talrijke formaten (zelfs video’s en SER bestanden) uitlijnen, stacken en verbeteren.</p>
uk-UA: >-
<p>Siril - це програма для обробки зображень, спеціально розроблена для зменшення шуму та покращення співвідношення сигнал/шум зображень
із декількох знімків, як того вимагає астрономія.</p>
<p>Siril може вирівнювати автоматично або вручну, складати та змінювати зображення різних форматів файлів і навіть послідовності зображень
(фільми та файли *.SER).</p>
fr-FR: >-
<p>Siril est un outil de traitement d'image spécialement adapté pour la réduction du bruit et l'amélioration du rapport signal/bruit des
images astronomiques.</p>
<p>Siril peut aligner automatiquement ou manuellement, empiler et améliorer des images de différents formats aussi bien que des séquences
d'images (films et fichiers SER).</p>
zh-CN: >-
<p>Siril是一款特殊的图像处理软件，专为天文摄影所需求的噪声消除和提高信噪比（多帧叠加）而定制。</p>
<p>Siril能够自动对齐和手动对齐，叠加和强化多种格式的图片，甚至是图片序列（视频和SER文件）。</p>
C: >-
<p>Siril is an image processing tool specially tailored for noise reduction and improving the signal/noise ratio of an image from multiple
captures, as required in astronomy.</p>
<p>Siril can align automatically or manually, stack and enhance pictures from various file formats, even images sequences (movies and
SER files).</p>
es-ES: >-
<p>Siril es una herramienta de procesado de imágenes especialmente diseñada para la reducción de ruido y la mejora del ratio señal/ruido
de una imagen de múltiples capturas, como las requeridas en astronomía.</p>
<p>Siril puede alinearl automática o manualmente, apilar y mejorar imágenes de varios formatos de fichero, incluso secuencias (películas
y ficheros SER).</p>
pt-PT: >-
<p>O Siril é uma ferramenta de processamento de imagem desenvolvido para a redução de ruído e para melhorar a relação sinal/ruído de uma
imagem de múltiplas exposições, como requerido em astronomia.</p>
<p>O Siril permite alinhamento automático ou manual, empilhar e realçar imagens de vários formatos de ficheiro, inclusivamente sequências
de imagens (filmes e ficheiros SER).</p>
pl-PL: >-
<p>Siril jest narzędziem do obróbki obrazu, specjalnie dostosowanym do zmniejszania szumów i poprawy stosunku sygnału do szumu w obrazie
pochodzącym z wielu klatek - technika stosowana w astronomii.</p>
<p>Siril potrafi automatycznie lub ręcznie wyrównać, połączyć oraz edytować obrazy z różnych formatów plików, również z sekwencji obrazów
(filmów oraz plików SER).</p>
Developer:
id: org.siril
name:
C: Free-astro Team
Categories:
- Science
- Astronomy
- ImageProcessing
Keywords:
zh-CN:
- 天文
- 叠加
- 对齐
it-IT:
- astronomia
- stacking
- registrazione
en-GB:
- astronomy
- stacking
- registration
el-GR:
- αστρονομία
- σώρευση
- ευθυγράμμιση
fr-FR:
- astronomie
- empilement
- alignement
ar-DZ:
- فلك
- تراص
- إنحياز
de-DE:
- astronomie
- stacken
- registrierung
tl-PH:
- astronomiya
- stacking
- rehistrasyon
en-CA:
- astronomy
- stacking
- registration
C:
- astronomy
- stacking
- registration
es-ES:
- astronomía
- apilado
- registro
nl-BE:
- astronomie
- stacking
- afstemming
pt-PT:
- astronomia
- empilhamento
- alinhamento
Url:
homepage: https://www.siril.org
bugtracker: https://gitlab.com/free-astro/siril/-/issues
help: https://siril.rtfd.io/
donation: https://siril.org/donate/
Icon:
cached:
- name: siril_org.siril.Siril.png
width: 48
height: 48
- name: siril_org.siril.Siril.png
width: 64
height: 64
- name: siril_org.siril.Siril.png
width: 128
height: 128
remote:
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/icons/128x128/siril_org.siril.Siril.png
width: 128
height: 128
stock: org.siril.Siril
Launchable:
desktop-id:
- org.siril.Siril.desktop
Replaces:
- id: org.free_astro.siril
Provides:
ids:
- org.free_astro.siril
mediatypes:
- text/x-seq
- image/fits
- application/fits
- image/bmp
- application/bmp
- image/pic
- application/pic
- image/jpeg
- application/jpeg
- image/png
- application/png
- image/tiff
- application/tiff
- image/x-portable-pixmap
- video/ser
- image/x-adobe-dng
- image/x-canon-cr2
- image/x-canon-crw
- image/x-fuji-raf
- image/x-kodak-dcr
- image/x-kodak-k25
- image/x-kodak-kdc
- image/x-minolta-mrw
- image/x-nikon-nef
- image/x-olympus-orf
- image/x-panasonic-raw
- image/x-panasonic-raw2
- image/x-pentax-pef
- image/x-sigma-x3f
- image/x-sony-arw
- image/x-sony-sr2
- image/x-sony-srf
- image/x-xisf
Screenshots:
- default: true
caption:
it-IT: Siril che elabora un'immagine del cielo profondo
nl-BE: Siril, en deep-sky beeld aan het bewerken
el-GR: Το Siril επεξεργάζεται εικόνα βαθύ ουρανού
fr-FR: Siril traitant une image de ciel profond
uk-UA: Siril обробляє зображення об'єктів далекого космосу
pl-PL: Siril przetwarzający obraz głębokiego nieba
zh-CN: Siril深空图像处理
C: Siril processing a deep-sky image
es-ES: Siril procesado de una imagen del cielo profundo
pt-PT: O Siril processando uma imagem de céu profundo
thumbnails:
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-1_1248x750@1.png
width: 1248
height: 750
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-1_752x452@1.png
width: 752
height: 452
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-1_624x375@1.png
width: 624
height: 375
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-1_224x134@1.png
width: 224
height: 134
source-image:
url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-1_orig.png
width: 1852
height: 1114
- caption:
it-IT: Un modo facile per analizzare le tue immagini astronomiche
nl-BE: Een gemakkelijke wijze om astronomische beelden te analyseren
el-GR: Ένας εύκολος τρόπος για να αναλύσετε τις αστρονομικές σας εικόνες
fr-FR: Moyen simple d'analyser vos images astronomiques
uk-UA: це простий спосіб проаналізувати власні астрономічні фотографії
pl-PL: Prosty sposób do analizy zdjęć astronomicznych
zh-CN: 天文图片分析的神器
C: An easy way to analyze your sequence of images
es-ES: Forma fácil de analizar tus imágenes astronómicas
pt-PT: Uma forma fácil para analisar as suas imagens de astronomia
thumbnails:
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-2_1248x750@1.png
width: 1248
height: 750
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-2_752x452@1.png
width: 752
height: 452
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-2_624x375@1.png
width: 624
height: 375
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-2_224x134@1.png
width: 224
height: 134
source-image:
url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-2_orig.png
width: 1852
height: 1114
- caption:
it-IT: Un visualizzatore potente
nl-BE: Een krachtige viewer
el-GR: Ένας ισχυρός θεατής
fr-FR: Une visionneuse puissante
uk-UA: Потужний перегляд
pl-PL: Potężna przeglądarka
zh-CN: 功能强大的查看器
C: A powerful viewer
es-ES: Un potente visor
pt-PT: Visualizador potente
thumbnails:
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-3_1248x1033@1.png
width: 1248
height: 1033
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-3_752x622@1.png
width: 752
height: 622
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-3_624x516@1.png
width: 624
height: 516
- url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-3_224x185@1.png
width: 224
height: 185
source-image:
url: org/siril/Siril/35e7c934a1be58d114996d4d40ecb827/screenshots/image-3_orig.png
width: 1400
height: 1159
Languages:
- locale: de
percentage: 99
- locale: el
percentage: 32
- locale: en_US
percentage: 100
- locale: es_ES
percentage: 45
- locale: fr
percentage: 100
- locale: it_IT
percentage: 57
- locale: nl_BE
percentage: 61
- locale: pt_BR
percentage: 51
- locale: ru
percentage: 98
- locale: uk
percentage: 35
- locale: zh_CN
percentage: 97
Branding:
colors:
- type: primary
scheme-preference: dark
value: "#7f2c22"
- type: primary
scheme-preference: light
value: "#faa298"
Releases:
- version: 1.4.0-rc1
type: stable
unix-timestamp: 1762560000
description:
C: >-
<p>
First release candidate of the 1.4.0 series, focusing on stability and bug fixes ahead of the
final stable release. This version resolves critical crashes, improves stacking reliability,
and enhances Python integration for script developers.
</p>
<ul>
<li>
Fixed multiple critical crashes (seqstarnet, clearstar with Dynamic PSF, noise weights with overlap normalization)
</li>
<li>
Fixed XTrans sensor debayering issues introduced in beta4 and Bayer pattern interpretation after background extraction
</li>
<li>
Fixed Drizzle registration with compression enabled and global registration reference image handling
</li>
<li>
Improved stacking rejection algorithm to properly discard pixels with zero weight
</li>
<li>
Enhanced StarNet workflow using descreening for better star mask integration with recomposition tool
</li>
<li>
Fixed OIII extraction normalization strategy between B and G pixels for better color balance
</li>
<li>
Improved Python API with new SirilInterface methods (save_image_to_file, prefix arg for set_seq_frame_pixeldata)
</li>
<li>
Fixed various RGB composition, curves preview, and deconvolution issues
</li>
<li>
Enabled compiler optimizations through function inlining for improved performance
</li>
<li>
Added support for arbitrary script categories in preferences tree view
</li>
</ul>
url:
details: https://siril.org/download/1.4.0-rc1
- version: 1.4.0-beta4
type: stable
unix-timestamp: 1759017600
description:
C: >-
<p>
Fourth and likely final beta release of the 1.4.0 series, featuring critical fixes to the Drizzle
algorithm and robust Bayer pattern handling. This version includes all planned major features
for the stable 1.4.0 release.
</p>
<ul>
<li>
Fixed major Drizzle algorithm issues by exporting weight files during registration and using them for stacking
</li>
<li>
Discovered and corrected an error in the original HST Drizzle code, contributing to space image processing improvements
</li>
<li>
Implemented robust Bayer/X-Trans pattern handling across the entire codebase
</li>
<li>
Fixed multiple stability issues including crashes with OpenCV 4.12+, seqpsf/seqtilt commands, and memory allocation
</li>
<li>
Enhanced image preview with color support, autostretch improvements, and new 512px preview size
</li>
<li>
Added official PyQt6 support for Python script GUIs with comprehensive new API methods
</li>
<li>
Improved astrometric alignment for mosaics and enhanced metadata extraction from FITSEQ sequences
</li>
<li>
Added search functionality in script treeview and right-click script editing from menu
</li>
<li>
Fixed sequence loading issues and improved handling of automatic script repository updates
</li>
</ul>
url:
details: https://siril.org/download/1.4.0-beta4
- version: 1.4.0-beta3
type: stable
unix-timestamp: 1752192000
description:
C: >-
<p>
Third beta release of the 1.4.0 series, delivering comprehensive stability improvements and
enhanced Python integration. This version addresses critical crashes, improves script handling,
and introduces significant workflow enhancements for both GUI and command-line users.
</p>
<ul>
<li>
Fixed multiple critical crashes (8-bit XISF files, pixelmath with 16-bit images, RGB compositing)
</li>
<li>
Resolved Python integration issues including script execution, thread handling, and shared memory management
</li>
<li>
Fixed SPCC filter plotting issues in narrowband mode and improved linear regression
</li>
<li>
Improved script repository handling with better update mechanisms and version control
</li>
<li>
Enhanced calibration workflow with improved file chooser memory and sequence cropping support
</li>
<li>
Added advanced Python features including polygon overlay drawing and improved GPU helper modules
</li>
<li>
Modernized GraXpert integration with new AI-powered script replacing legacy interface
</li>
<li>
Improved ICC profile handling and histogram stretch behavior for better color accuracy
</li>
<li>
Enhanced command-line functionality with -followstar support for seqpsf command
</li>
</ul>
url:
details: https://siril.org/download/1.4.0-beta3
- version: 1.4.0-beta2
type: stable
unix-timestamp: 1747785600
description:
C: >-
<p>
Second beta release of the 1.4.0 series, building upon the foundations established in beta1.
This version focuses on stability improvements, bug fixes, and user experience enhancements
while continuing to refine the major features introduced in the previous beta.
</p>
<ul>
<li>
Fixed crashes in multiple areas (Noise Reduction, astrometric registration, script refreshing)
</li>
<li>
Fixed option -weight= for stack command and added filtering criteria in HISTORY
</li>
<li>
Fixed UI hangs when manually refreshing scripts or SPCC
</li>
<li>
Fixed SPCC issues with non-ASCII characters in filepaths on Windows
</li>
<li>
Fixed parameter parsing in PixelMath and metadata handling
</li>
<li>
Made crop and ROI selection CFA-aware
</li>
<li>
Added an optional rate limit for smooth scroll zoom speed
</li>
<li>
Scripts can now be opened in the editor directly from Script Preferences
</li>
<li>
Implemented better linear regression algorithm for SPCC
</li>
<li>
Enhanced Python support with new interface methods and utilities
</li>
<li>
Added ability to calibrate images for debayering only
</li>
</ul>
url:
details: https://siril.org/download/1.4.0-beta2
ContentRating:
oars-1.0: {}
