Aurora Blades Mac OS

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Aurora HDR
Stable release
Developer(s)	Macphun LLC
Operating system
Type	Photo Post-Production
License	Proprietary
Website	Aurora HDR

Aurora HDR is photographicsoftware developed by Macphun Software for Mac OS X and Windows. MacPhun changed its name to Skylum in early 2018.

Aurora HDR is a High Dynamic Range (HDR) editing and processing tool released in November, 2015. It was made through a collaboration between software developer Macphun and HDR photographer Trey Ratcliff.^[1] HDR image editing techniques are designed to overcome difficult lighting situations where highlights and shadows are prevalent in the same image, but have also been used to create highly processed, fanciful images as well.

By automatically aligning and merging multiple exposures of photos, Aurora HDR can create a single tone-mapped image. A collection of powerful editing and processing tools also allow for layered compositions and targeted areas of photo and graphic processing.

Versions and plug-ins[edit]

Aurora HDR comes in five different versions for two different operating systems. Versions, previous and current, include: Aurora HDR (optionally sold on the Mac App Store); Aurora HDR Pro; Aurora HDR Pro + training, Aurora 2017; and Aurora 2018. The software runs as a standalone or as a plug-in to host applications like Adobe Photoshop, Adobe Photoshop Lightroom, Adobe Photoshop Elements, and Apple Aperture. In early 2016, Aurora HDR was updated with support to run as an editing extension for Apple Photos for Mac.^[2] In 2016 Macphun released the next version of Aurora HDR - Aurora HDR 2017 along with a Windows version. In 2018 Skylum released Aurora 2018 for Mac and Windows operating systems. ^[3]

Key Aurora HDR functionality[edit]

Initial merging[edit]

Aurora HDR works on single images or multiple exposures, and initial merging options change depending on the number of images loaded. If a single image is provided to the software, only the 'Chromatic Aberration Reduction' option is available. If multiple exposures are selected, 'Alignment' and 'Ghost Reduction' options are revealed. Alignment should be checked if the multiple images were recorded while holding the camera by hand vs. a tripod. Ghost Reduction relates to minimizing the effects of moving objects in a multi-exposure merging process.^[4] If you have moving objects, choose this function.

Interface[edit]

The user interface of Aurora HDR consists of the following:

Large preview window
Open & Export/Share
Zoom & navigation controls
Comparison controls
Undo/Redo
Cropping tool
Move (hand) tool
Brush
Layers
Histogram
Presets
Advanced tools

Presets[edit]

Presets are pre-installed one-click controls that apply a specific 'style' to the tone-mapped image. This style is created entirely by the use and modification of the Advance tools containing in the software. The Preset panel in Aurora HDR Pro contains 7 separate categories applicable to all types of photos: Trey Ratcliff's Signature presets, Basic, Realistic HDR, Dramatic, Landscape, Indoor, Architecture, each of which contain thumbnail graphics representing several or dozens of styles. In addition, users may designate a preset as a 'favorite' or create their own.

Tools[edit]

Aurora HDR comes with an extensive list of tools and functionality designed to help photographers edit their images using HDR techniques. The tools range from those that can help reproduce a natural, realistic look to those that enhance images towards a more fantasy-like direction. Each tool listed below has a unique set of controls to modify its effects.^[5]

Tone Mapping
Tone
Structure
HDR Denoise
Image Radiance
Color
Details
Glow
Top & Bottom Lighting^[6]
Tone Curve
Color Filter
Color Toning
Vignette

Layers, brushes and masking[edit]

Aurora HDR Pro features the ability to create up to 9 layers (4 in the Mac App Store version), and provides brushing and masking functionality common in many image-editing software programs. Layers can be automatically loaded with either (a) the previous layer, (b) a custom texture, (c) the original tone-mapped image, or (d) any one of the exposures in the bracketed set. Brushes and masking, including Gradient Masking are used to selectively apply or erase effects from the image. An advanced feature of the Pro version of Aurora HDR is to designate a layer as one that contains 'Luminosity Masking.'

Opening, file formats and exporting[edit]

Aurora HDR opens a variety of popular image file formats, including RAW camera files that are the native to specific camera manufacturers (e.g. Nikon's NEF and Canon CR2). It saves in a native file format (.mpau) which allows for the resumption of editing after saving and closing the file. The software exports in the following file formats: JPG, PNG, GIF, JPG-2000, TIFF, Photoshop, and PDF, and can also transfer images directly into Macphun's Creative Suite for further editing.

Sharing[edit]