问如何将从星图中提取的点匹配到星表

EN

SOLVE-FIELD(1)                  astrometry.net                  SOLVE-FIELD(1)

NAME
       solve-field - Main high-level command-line user interface.

SYNOPSIS
       solve-field  [options]  [image-file-1  image-file-2  ...]  [xyls-file-1
       xyls-file-2 ...]

[...]

   -3 RA, --ra RA
          RA of field center for search, format: degrees or hh:mm:ss

   -4 DEC, --dec DEC
          DEC of field center for search, format: degrees or hh:mm:ss

   -5 degrees, --radius degrees
          Only search in indexes within 'radius' of the field center given
          by --ra and --dec

   -d, --depth number or range
          Number  of  field  objects to look at, or range of numbers; 1 is
          the brightest star, so "-d 10" or "-d 1-10" mean look at the top
          ten brightest stars only.

   --objs int
          Cut  the  source list to have this many items (after sorting, if
          applicable).

[...]

   -z, --downsample int
          Downsample the image by factor int before running source extraction