HSTPHOT steps performed
-----------------------------------

MASK <fits image> <DQ image>

mask u3d90107t_c0f.fits u3d90107t_c1f.fits
mask u3d9010at_c0f.fits u3d9010at_c1f.fits
mask u3d9010dt_c0f.fits u3d9010dt_c1f.fits
mask u3d9010gt_c0f.fits u3d9010gt_c1f.fits
mask u3d9010jt_c0f.fits u3d9010jt_c1f.fits
mask u3d9010mt_c0f.fits u3d9010mt_c1f.fits
mask u3d90207t_c0f.fits u3d90207t_c1f.fits
mask u3d9020at_c0f.fits u3d9020at_c1f.fits
mask u3d9020dt_c0f.fits u3d9020dt_c1f.fits
mask u3d9020gt_c0f.fits u3d9020gt_c1f.fits
mask u3d9020jt_c0f.fits u3d9020jt_c1f.fits
mask u3d9020mt_c0f.fits u3d9020mt_c1f.fits
mask u3d9020qt_c0f.fits u3d9020qt_c1f.fits

CRMASK <reg_factor> <sigma_tresh> <min_value> <fits base> <scale> <min_scale> <max_scale> <dx> <dy> per image

crmask (performed 7 times): reg_factor=1 sigma_tresh=3 min_value=0 scale=0 min_scale=0 max_scale=0

crmask 1 3 0 u3d9020qt_c0f 0 0 0 -36.57 19.13
crmask 1 3 0 u3d90107t_c0f 0 0 0 0.00 0.00 u3d9010at_c0f 0 0 0 0.00 0.00 u3d9010dt_c0f 0 0 0 -1.88 0.16 u3d9010gt_c0f 0 0 0 -1.88 0.16 u3d9010jt_c0f 0 0 0 1.88 -0.16 u3d9010mt_c0f 0 0 0 1.88 -0.16
crmask 1 3 0 u3d90107t_c0f 0 0 0 0.00 0.00 u3d9010at_c0f 0 0 0 0.00 0.00 u3d9010dt_c0f 0 0 0 -1.88 0.16 u3d9010gt_c0f 0 0 0 -1.88 0.16 u3d9010jt_c0f 0 0 0 1.88 -0.16 u3d9010mt_c0f 0 0 0 1.88 -0.16
crmask 1 3 0 u3d90207t_c0f 0 0 0 0.00 0.00 u3d9020dt_c0f 0 0 0 1.88 -0.16 u3d9020jt_c0f 0 0 0 3.76 -0.32
crmask 1 3 0 u3d90207t_c0f 0 0 0 0.00 0.00 u3d9020dt_c0f 0 0 0 1.88 -0.16 u3d9020jt_c0f 0 0 0 3.76 -0.32
crmask 1 3 0 u3d9020at_c0f 0 0 0 0.00 0.00 u3d9020gt_c0f 0 0 0 1.88 -0.16 u3d9020mt_c0f 0 0 0 3.76 -0.32
crmask 1 3 0 u3d9020at_c0f 0 0 0 0.00 0.00 u3d9020gt_c0f 0 0 0 1.88 -0.16 u3d9020mt_c0f 0 0 0 3.76 -0.32

COADD <input fits files> <fits output>

coadd u3d9020qt_c0f.fits comb1.F336W.fits
coadd u3d90107t_c0f.fits u3d9010at_c0f.fits comb1.F439W.fits
coadd u3d9010dt_c0f.fits u3d9010gt_c0f.fits comb2.F439W.fits
coadd u3d9010jt_c0f.fits u3d9010mt_c0f.fits comb3.F439W.fits
coadd u3d90207t_c0f.fits comb1.F555W.fits
coadd u3d9020dt_c0f.fits comb2.F555W.fits
coadd u3d9020jt_c0f.fits comb3.F555W.fits
coadd u3d9020at_c0f.fits comb1.F814W.fits
coadd u3d9020gt_c0f.fits comb2.F814W.fits
coadd u3d9020mt_c0f.fits comb3.F814W.fits

GETSKY <fits base>

getsky u3d90107t_c0f 1
getsky u3d9010at_c0f 1
getsky u3d9010dt_c0f 1
getsky u3d9010gt_c0f 1
getsky u3d9010jt_c0f 1
getsky u3d9010mt_c0f 1
getsky u3d90207t_c0f 1
getsky u3d9020at_c0f 1
getsky u3d9020dt_c0f 1
getsky u3d9020gt_c0f 1
getsky u3d9020jt_c0f 1
getsky u3d9020mt_c0f 1
getsky u3d9020qt_c0f 1
getsky comb1.F336W 1
getsky comb1.F439W 1
getsky comb2.F439W 1
getsky comb3.F439W 1
getsky comb1.F555W 1
getsky comb2.F555W 1
getsky comb3.F555W 1
getsky comb1.F814W 1
getsky comb2.F814W 1
getsky comb3.F814W 1

HOTPIXELS <fits base>

hotpixels comb1.F336W
hotpixels comb1.F336W
hotpixels comb1.F439W
hotpixels comb1.F439W
hotpixels comb2.F439W
hotpixels comb2.F439W
hotpixels comb3.F439W
hotpixels comb3.F439W
hotpixels comb1.F555W
hotpixels comb1.F555W
hotpixels comb2.F555W
hotpixels comb2.F555W
hotpixels comb3.F555W
hotpixels comb3.F555W
hotpixels comb1.F814W
hotpixels comb1.F814W
hotpixels comb2.F814W
hotpixels comb2.F814W
hotpixels comb3.F814W
hotpixels comb3.F814W

HSTPHOT <output> <ind_tresh> <tot_tresh> <chip> <xmin> <xmax> <ymin> <ymax> <options> (<fits base> <dx> <dy> per exposure) <reference image>
If generation of fake stars, 10 additional parameters are necessary: <color1> <color2> <Mmin> <Mmax> <Cmin> <Cmax> <PCwt> <WFC2wt> <WFC3wt> <WFC4wt>

hstphot: ind_tresh=3.5 tot_tresh=5 chip=-1 xmin=0 xmax=0 ymin=0 ymax=0 options=6656 color1=V color2=I Mmin=17 Mmax=29 Cmin=-0.5 Cmax=3.0 PCwt=-3 WFC2wt=-3 WFC3wt=-3 WFC4wt=-3

hstphot m31_u3d901.phot 3.5 5 -1 0 0 0 0 6720 comb1.F336W -36.57 19.13 comb1.F439W 0.00 0.00 comb2.F439W -1.88 0.16 comb3.F439W 1.88 -0.16 comb1.F555W 0.00 0.00 comb2.F555W 1.88 -0.16 comb3.F555W 3.76 -0.32 comb1.F814W 0.00 0.00 comb2.F814W 1.88 -0.16 comb3.F814W 3.76 -0.32 comb1.F555W V I 17 29 -0.5 3.0 -3 -3 -3 -3