Tag Archives: projections

SkyView support for ZPN projection

As part of integrating UKIDSS data into SkyView, we have added support for the Zenithal Polynomial, ZPN, projection. In this projection the angular distance between a point on the sky and the reference position is transformed to a distance from … Continue reading

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SkyView to include HEALPix and WMAP

For some while we have been looking at how to put the data from the Wilkinson Microwave Anistropy Probe (WMAP) into SkyView. The WMAP data are central to our current understanding of cosmology. However WMAP images are generally stored in … Continue reading

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Features in the Gallery: Looking at the Big Picture

This image from 2008-12-10 09:39:28 is pretty interesting… It looks like we are seeing some very special object with rings around it. What’s going on here? This is a COMPTEL image, one of the lowest resolution surveys we have in … Continue reading

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Reference Coordinates in Fixed Projections

SkyView treats a number of projections (Aitoff, Cartesian, Sansom-Flamsteed/Sinusoidal) as fixed projections. Regardless of the position you specify, the sky is projected to the plane in the same way. All that your coordinate entry changes is the center of the … Continue reading

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