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Introduction

SuperCOSMOS is an advanced digitising machine for scanning photographic exposures (plates and films) usually taken on wide-field Schmidt Telescopes. General details of the machine, its programme, and how to apply for an exposure to be scanned can be found here. The various different sky survey plate/film collections are also summarised here whilst SuperCOSMOS broad-band UKST surveys currently on-line can be found here. The SuperCOSMOS Southern Galactic Plane H-alpha survey offers much in common with the main SuperCOSMOS Sky Surveys (SSS) and should be particularly valuable to astronomers for several reasons:
  1. The pixel size is 10 micron (0.67 arcsec), much smaller than the DSS-I (25 micron) and still smaller than the new DSS-II (15 micron).

  2. Pixel images and object catalogues (to the full exposure depth) are available together in a single FITS file. We recommend using the GAIA software package, which can browse the image and associated catalogue simultaneously in a convenient way.

  3. This new H-alpha survey of the Southern Galactic Plane offers a combination of area coverage, sensitivity and depth that is currently unsurpassed in a survey of galactic gaseous emission in terms of these combined properties.

SURVEY DETAILS.
The above link gives further basic details on the survey. To view the Galactic Plane fields currently on-line in the matched H-alpha/SR2 pass-bands go to Galactic Plane Coverage.

STYLE OF ACCESS.
There are four ways to access the SuperCOSMOS Galactic Plane data which are described via the link above.

SURVEY DATA FORMATS AVAILABLE.
The above link provides basic information on the variety of data format options available for the on-line survey data.

More detail on all these issues can be found in the various sections in the menu bar to the left, especially under Documentation.



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WFAU, Institute for Astronomy,
Royal Observatory, Blackford Hill
Edinburgh, EH9 3HJ, UK

M.Read@roe.ac.uk
30/7/2008