plot-constellations - Man Page
Annotates images with constellations etc.
Synopsis
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).