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IMAGE2XY(1)			astrometry.net			   IMAGE2XY(1)

NAME
       image2xy	- Source extractor.

SYNOPSIS
       image2xy	[options] fitsname.fits

DESCRIPTION
       Read  a	FITS  file,  find  objects,  and  write	out X, Y, FLUX to fit-
       sname.xy.fits.

OPTIONS
       -e extension
	      Read from	a single FITS extension

       -O     Overwrite	existing output	file.

       -o file
	      Write XYlist to given filename.

       -L order
	      Lanczos order

       -8     Don't use	optimization for byte (u8) images.

       -H     Downsample by a factor of	2 before running simplexy.

       -d factor
	      Downsample by an integer factor before running simplexy.

       -D factor
	      Downsample, if necessary,	by this	many factors of	two.

       -s scale
	      Set median-filter	box size (default 100 pixels)

       -w width
	      Set Gaussian PSF sigma (default 1	pixel)

       -g sigma
	      Set image	noise level

       -p significance
	      Set significance level of	peaks in sigmas	(default 8 sigmas)

       -a saddle
	      Set "saddle" level joining peaks i sigmas	(default 5 sigmas)

       -P plane
	      Pull out a single	plane of a multi-color image  (default:	 first
	      plane)

       -b     Don't do (median-based) background subtraction

       -G background
	      Subtract this 'global' background	value; implies -b

       -m     Set  maximum  extended  object size for deblending (default 2000
	      pixels)

       -S file
	      Save background-subtracted image to this	filename  (FITS	 float
	      image)

       -B file
	      Save background image to filename

       -U file
	      Save smoothed background-subtracted image	to filename

       -M file
	      Save mask	image to filename

       -C file
	      Save connected-components	image to filename

       -v     Verbose. repeat for more and more	verboseness

       image2xy	'file.fits[1]'
	      Process first extension.

       image2xy	'file.fits[2]'
	      Process second extension

       image2xy	file.fits+2
	      Same as above

AUTHOR
       The  Astrometry.net  team.  Principal  investigators  are David W. Hogg
       (NYU) and Dustin	Lang (CMU).

SEE ALSO
       http://astrometry.net

0.56				   July	2015			   IMAGE2XY(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | AUTHOR | SEE ALSO

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