NAME

plot-constellations - Annotates images with constellations etc.

SYNOPSIS

plot-constellations -w file | -L | -o file

Annotates images with constellations, bright stars, Messier/NGC objects, Henry Draper catalog stars, etc.

-w file: WCS input file
-L: just list the items in the field
-o file: image output file; "-" for stdout
-p: write PPM output - default is PNG ([-i PPM input file] OR [-W width -H height] )
-s scale: scale image coordinates by this value before plotting.
-N: plot NGC objects
-F fraction: minimum NGC size, relative to image size (default 0.02)
-C: plot constellations
-B: plot named bright stars
-D: plot HD objects
-d: path to HD catalog
-b N: just plot the N brightest stars
-c: only plot bright stars that have common names.
-j: if a bright star has a common name, only print that
-v: be verbose
-n width: NGC circle width (default 2)
-f size: font size.
-M: show only NGC/IC and Messier numbers (no common names)
-G spacing: Plot RA,Dec grid with specified grid spacing in arcmin.
-g r:g:b: grid color (default 0.2:0.2:0.2)
-J: print JSON output to stderr
-V: vertical alignment of text labels, "C"enter/"T"op/"B"ottom: default C
-O: horizontal alignment of text labels, "L"eft/"C"enter/"R"ight, default L

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