define  ASPECT  1.324

define	SKIP	0
define	RAW	1
define	CAL	2
define	MOS	4

define	SZ_HIST	2000

define	MAX_OBS	200

define	MAX_SUMMARY	8	# maximum lines in the summary page

# allowed calibrations
define	CALIB	"|BIASCORR|ZOFFCORR|MASKCORR|NOISCALC|NLINCORR|DARKCORR|\
FLATCORR|UNITCORR|PHOTCALC|CRIDCALC|BACKCALC|WARNCALC|"
define	BIASCORR	1
define	ZOFFCORR	2
define	MASKCORR	3
define	NOISCALC	4
define	NLINCORR	5
define	DARKCORR	6
define	FLATCORR	7
define	UNITCORR	8
define	PHOTCALC	9
define	CRIDCALC	10
define	BACKCALC	11
define	WARNCALC	12

define	NREF		20