詳しいメモは名寄ミーティングページにある
こっちにももってくる？
以下、sky引きまでのコマンドのメモ。
--object
N0046556.fits
N0046557.fits
N0046558.fits
N0046559.fits
--> file list "object.ls"
--sky
N0046560.fits
N0046561.fits
N0046562.fits
N0046563.fits
--> file list "sky.ls"
==========
sky frame
==========
ecl> imcombine @sky.ls sky.fits combine=median
Jun 18 3:06: IMCOMBINE
combine = median, scale = none, zero = none, weight = none
blank = 0.
Images
N0046560.fits
N0046561.fits
N0046562.fits
N0046563.fits
Output image = sky.fits, ncombine = 4
=============
object frame
=============
ecl> imcombine @object.ls object.fits combine=median
Jun 18 3:09: IMCOMBINE
combine = median, scale = none, zero = none, weight = none
blank = 0.
Images
N0046556.fits
N0046557.fits
N0046558.fits
N0046559.fits
Output image = object.fits, ncombine = 4
=====================
(sky - object) frame
=====================
ecl> imarith object.fits - sky.fits s_object.fits