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Document History

Issue 1.7
First public issue.
Issue 1.8, 07/02/93
(by Frank Gribbin) AIRMASS was removed, and updates made to DETWCCDn.
Issue 1.9, 03/03/93
Changes were made to TELESCOP. These changes were originally discussed in VO1.1
Issue 2.0, 21/06/93
The introduction was updated. Axis keywords were added to OBSVATON. Corrections were made to data types in AUTOGUID. OBSERVAT, IMAGTYP, TRIMSEC, CCDSEC, BIASSEC, EXPTIME, DARKTIME, EPOCH, ST, AIRMASS, DISPAXIS were added in support of IRAF.
Issue 2.1, 06/10/93
(by Marion Fisher) The INSTUES pixel-size was updated to give length and width.
Issue 2.2, 26/11/93
INSTPFIP was added and OBSVATON was amended to support Prime.
Issue 2.3, 15/06/94
Different keywords were specified for CCD windows. This change was proposed by Guy Rixon and approved by Chris Benn. The item CCDVOLTS was deleted as it will never be collectable. The description of UTSTART and UTOBS was updated to note the improved synchronization of clocks.
Issue 2.4, 21/02/95
(by Philip Taylor) INSTWYF was added.
Issue 2.5, 08/11/96
(by Frank Gribbin) New keywords DASMODE, CCDCTEXP, CCDCTSET, CCDCTTYP for continuous readout and CCDCLSPD for clear speed. Iraf related keywords BIASSEC, CCDSEC and TRIMSEC now collected. Changes approved by Rene Rutten.


next up previous contents
Next: About this document ... Up: FITS headers for WHT Previous: Bibliography   Contents
Craige Bevil
2001-02-06