Alistair Symon returns to teach us how to do extremely wide-field mosaics with the popular 135mm camera lenses, such as the Rokinon/Samyang 135mm f/2. He'll cover how to choose a resolution and field-of-view for the mosaic panels and why the 135mm is well-suited for this purpose, how well Alistair's lens performed, and lessons learned. He'll show us an incredible ultra-wide-field image he's taken and share how to plan mosaics, how to collect the data, and how to process each mosaic panel with the latest AI-based star and noise removal tools. Alistair will then walk us through how to do image registration of the mosaic panels so that you get a flat projection over an extremely wide field-of-view, and finally, how to blend the images together for a seamless and breathtaking result.
Originally trained as a Software Engineer with a BSc in Computer Science, Alistair Symon is now Vice President of Storage Product Development at IBM and lives in Tucson, Arizona. Alistair is also a keen astrophotographer, starting in the hobby in 1998 as the first CCD cameras were coming on the market. At the time, Alistair resided in Winchester in the UK where clear nights were few and far between. His astrophotography skills really started to improve when he moved to live in Tucson where the 270 clear nights a year made it much easier to hone the techniques of data acquisition and processing. Alistair specializes in wide field and extreme wide field mosaics. His images often span 120 degrees of the sky and more. He has given a presentation on the techniques he uses at the Advanced Imaging Conference in 2012 and has had many of his images published online and in magazines and calendars around the world. He is a recipient of 3 NASA APODs and 4 AAPODs and has also had his images featured in Cosmic Clouds-3D, a book by David Eicher and Brian May.
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