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A 20 field SHS mosaic
Below is a mosaic of 20 of the H-alpha fields displayed by Galactic
longitude and latitude in and around the
Vela Supernova remnant (at the left). The longitude range is from about
l=240-270deg left to right with the latitude range b=-2.25deg
(bottom) to +6.25deg (top).
A larger higher resolution image of this 20 field H-alpha mosaic is available
here.
The gif image has been contrast enhanced to bring-up faint H-alpha
nebulosities
A pseudo colour image of 6 of these fields in the immediate vicinity
of the Vela SNR is given below and a higher resolution version is given
here.
The H-alpha images were used to create
the emission map whilst the broad-band short-red exposures were used as
the Blue and Green components of the colour image. These were all
combined in such a way that the sky background in the absence of emission is
black and so that stars come out yellow. This 6 field mosaic is
of H-alpha survey fields 329, 330, 390, 391, 457 & 458 and is centred
directly on the Vela SNR - note the mosaic image is oriented E-W.
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WFAU, Institute for Astronomy,
Royal Observatory, Blackford Hill
Edinburgh, EH9 3HJ, UK
M.Read@roe.ac.uk
30/7/2008
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