Interactive Photometry Commands

?	Print help
:	Colon commands
w	Save the current parameters
d	Plot radial profile of current star
i	Interactively set parameters using current star
c	Fit center of current star
t	Fit sky around cursor 
a       Average sky values fit around several cursor positions
s	Fit sky for current centered star
p	Do photometry for current star, using current sky
o	Do photometry for current star, using current sky, output results
f	Do photometry for current star
spbar	Do photometry for current star, output results
e	Print error messages
m	Move to next star in coordinate list
n	Do photometry for next star in coordinate list, output results
l	Do photometry for remaining stars in coordinate list, output results
r	Rewind the coordinate list
q	Exit task


	Colon Commands

:show				List the parameters
:m [n]	Move to next [nth] star in coordinate list
:n [n]	Do photometry for next [nth] star in coordinate list, output results

	Colon Parameter Editing Commands

:image		[string]	Image name
:output		[string]	Output file name
:coords		[string]	Coords file name

:cbox		[value]		Width of the centering box (pixels)
:annulus	[value]		Inner radius of sky annulus (pixels)
:dannulus	[value]		Width of sky annulus (pixels)
:apertures	[string]	List of aperture radii (pixels)
:zmag		[value]		Zero point of magnitude scale (magnitudes)
:epadu		[value]		Gain (electrons  per adu)

:exposure	[string]	Exposure time image header keyword
:airmass	[string]	Airmass image header keyword
:filter		[string]	Filter image header keyword
:obstime	[string]	Time of observation image header keyword

:radplot	[y/n]		Plot radial profile of object