plot-constellations - Man Page

Annotates images with constellations etc.


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


just list the items in the field

-o file

image output file; "-" for stdout


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.


plot NGC objects

-F fraction

minimum NGC size, relative to image size (default 0.02)


plot constellations


plot named bright stars


plot HD objects


path to HD catalog

-b N

just plot the N brightest stars


only plot bright stars that have common names.


if a bright star has a common name, only print that


be verbose

-n width

NGC circle width (default 2)

-f size

font size.


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)


print JSON output to stderr


vertical alignment of text labels, "C"enter/"T"op/"B"ottom: default C


horizontal alignment of text labels, "L"eft/"C"enter/"R"ight, default L


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

See Also


July 2015 0.56