plot-constellations(1) Annotates images with constellations etc.

SYNOPSIS

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

DESCRIPTION

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

OPTIONS

-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

AUTHOR

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