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AltairCapture instructions

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How to use AltairCapture features.

What is Debayering, and why should I do it before stacking my images?

Note: Debaying is required for any output from any colour camera sensor when used in RAW mode. This article applies to deepsky images (.FITS format) and for solar system/planetary videos (.SER format). Firstly, what is Debayering? Colour CMOS camera sensors usually have four colour channels (two greens, one red and one blue). The sensor has a sensitive layer of pixels which [...]

By | 2017-10-27T12:02:04+00:00 October 25th, 2017|Comments Off on What is Debayering, and why should I do it before stacking my images?

Removing green cast with Altair GPCAM & Hypercam

You may have noticed that in RAW mode with a Sony IMX sensor, your images have a green colour cast. This is not a defect. It's normal and desirable, because it shows you are using RAW mode correctly, showing what the camera "sees". This article explains why it happens, and how to correct it in processing. Firstly [...]

By | 2017-09-15T11:26:45+00:00 April 26th, 2017|Comments Off on Removing green cast with Altair GPCAM & Hypercam

Focusing on stars in AltairCapture, manually.

This is about manual focusing using those opposable thumbs and is aimed at the beginner. To focus manually, you need a reasonably fast frame rate so you can see the effect of turning the focuser knob on the screen. The problem is that stars can become quite faint at less than a second exposure, making [...]

By | 2017-07-11T18:18:37+00:00 January 9th, 2017|Comments Off on Focusing on stars in AltairCapture, manually.

How to copy altaircam.dll into PHD2.6 for new cameras

Usually Altair camera drivers are included in the latest release of PHD guiding. However, sometimes we bring out new camera models before the next official release of PHD Guiding is ready. To get your new Altair camera to work with PHD2.6 or above, you need to copy the altaircam.dll file from your AltairCapture installation folder [...]

By | 2017-09-15T11:26:44+00:00 November 3rd, 2016|Comments Off on How to copy altaircam.dll into PHD2.6 for new cameras

Creating an Image Sequence with Auto Capture

The “Auto Capture” feature in AltairCapture allows users to capture a sequence of images. You can predefine the name format, file type and get the images saved to a preset directory quickly and easily. Choose the “Capture> Auto Capture” command in AltairCapture or press the Auto Capture toolbar button.  This will begin to capture images from [...]

By | 2017-09-15T11:26:44+00:00 June 18th, 2016|0 Comments

What file format should I use with Altair Cameras?

This blog outlines the differences between the various still and video file formats available with your Altair camera when using AltairCapture or SharpCap. Still file formats (1 image frame per file) The .PNG file format: .PNG Pros: Can be loaded into almost any graphics application. Handles 8 to 16 bit bit depths and mono or [...]

By | 2017-07-11T18:18:37+00:00 April 22nd, 2016|0 Comments

What colour space should I use with Altair Colour Cameras?

When using a colour Altair camera in SharpCap or Altair Capture, you will have some colour space options to choose from. This blog outlines the various choices of colour space and their pros and cons. You select the colour space mode like this: 1) in AltairCapture under the Selected in AltairCapture under the Capture & Resolution [...]

By | 2017-07-11T18:18:37+00:00 April 22nd, 2016|0 Comments

Creating Mosaics & Stitching Images with AltairCapture

Creating Mosaics & Image Stitching in AltairCapture (shortcut = Shift+T) Stitching or “Mosaicking” combines multiple photographic images with overlapping fields of view to produce a single high-resolution image. Nearly exact overlaps between images and identical exposures are required to produce seamless results. Using AltairCapture it is possible to create digital maps, enhanced microscopy or medical [...]

By | 2017-09-15T11:26:45+00:00 March 24th, 2016|0 Comments