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strchart.arc
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starchrt.arc
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STARCHRT.FMT
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S✓S✓S✓ST✓T✓T✓TA✓A✓A✓AR✓R✓R✓RC✓C✓C✓CH✓H✓H✓HA✓A✓A✓AR✓R✓R✓RT✓T✓T✓T(✓(✓(✓(1✓1✓1✓1L✓L✓L✓L)✓)✓)✓) 9✓9✓9✓9/✓/✓/✓/2✓2✓2✓22✓2✓2✓2/✓/✓/✓/8✓8✓8✓87✓7✓7✓7 (✓(✓(✓(L✓L✓L✓LO✓O✓O✓OC✓C✓C✓CA✓A✓A✓AL✓L✓L✓L)✓)✓)✓) S✓S✓S✓ST✓T✓T✓TA✓A✓A✓AR✓R✓R✓RC✓C✓C✓CH✓H✓H✓HA✓A✓A✓AR✓R✓R✓RT✓T✓T✓T(✓(✓(✓(1✓1✓1✓1L✓L✓L✓L)✓)✓)✓)
N✓N✓N✓NA✓A✓A✓AM✓M✓M✓ME✓E✓E✓E
stardsp, starpic, starpost, staruplot, startek, stariris,
starhp, starlaser - print astronomical star charts using
Yale database.
S✓S✓S✓SY✓Y✓Y✓YN✓N✓N✓NO✓O✓O✓OP✓P✓P✓PS✓S✓S✓SI✓I✓I✓IS✓S✓S✓S
s✓s✓s✓st✓t✓t✓ta✓a✓a✓ar✓r✓r✓r*✓*✓*✓* RA DE [ scale title maglim lbllim ]
or
-✓-✓-✓-c✓c✓c✓c _✓c_✓o_✓n_✓s_✓t_✓e_✓l_✓l_✓a_✓t_✓i_✓o_✓n.✓.✓.✓..✓.✓.✓..✓.✓.✓.
or
-✓-✓-✓-r✓r✓r✓r _✓R_✓a -✓-✓-✓-d✓d✓d✓d _✓D_✓l [ -✓-✓-✓-s✓s✓s✓s _✓s_✓c_✓a_✓l_✓e -✓-✓-✓-t✓t✓t✓t _✓t_✓i_✓t_✓l_✓e -✓-✓-✓-m✓m✓m✓m _✓m_✓a_✓g_✓l_✓i_✓m -✓-✓-✓-l✓l✓l✓l _✓l_✓b_✓l_✓l_✓i_✓m
-✓-✓-✓-g✓g✓g✓g _✓g_✓r_✓k_✓l_✓i_✓m -✓-✓-✓-a✓a✓a✓a (_✓a_✓n_✓n_✓o_✓t_✓a_✓t_✓e) -✓-✓-✓-o✓o✓o✓o (_✓o_✓b_✓j_✓e_✓c_✓t_✓s) -✓-✓-✓-b✓b✓b✓b (_✓b_✓i_✓g_✓c_✓h_✓a_✓r_✓t)
-✓-✓-✓-f✓f✓f✓f _✓e_✓p_✓h_✓e_✓m._✓s_✓t_✓a_✓r... -✓-✓-✓-y✓y✓y✓y _✓y_✓a_✓l_✓e._✓s_✓t_✓a_✓r -✓-✓-✓-n✓n✓n✓n _✓m_✓e_✓s_✓s_✓i_✓e_✓r._✓s_✓t_✓a_✓r
-✓-✓-✓-w✓w✓w✓w _✓p_✓l_✓a_✓n_✓e_✓t._✓s_✓t_✓a_✓r ]
D✓D✓D✓DE✓E✓E✓ES✓S✓S✓SC✓C✓C✓CR✓R✓R✓RI✓I✓I✓IP✓P✓P✓PT✓T✓T✓TI✓I✓I✓IO✓O✓O✓ON✓N✓N✓N
These programs generate star charts based on data extracted
from the Yale public domain star catalog. Output is to the
terminal (_✓s_✓t_✓a_✓r_✓d_✓s_✓p), Unix PIC file format (_✓s_✓t_✓a_✓r_✓p_✓i_✓c),
PostScript format (_✓s_✓t_✓a_✓r_✓p_✓o_✓s_✓t), Unix Plot(5) format
(_✓s_✓t_✓a_✓r_✓u_✓p_✓l_✓o_✓t), Tektronix vector format (_✓s_✓t_✓a_✓r_✓t_✓e_✓k), Silicon
Graphics Iris format (_✓s_✓t_✓a_✓r_✓i_✓r_✓i_✓s), Hewlett-Packard terminal
vector format (starhp) or in Hewlett-Packard Laserjet
printer format (_✓s_✓t_✓a_✓r_✓l_✓a_✓s_✓e_✓r).
Star data is optionally overlayed with other cosmic objects,
such as planets. If limiting magnitudes are properly set
and the Messier database is available, Messier objects and
some NGC objects are also printed.
The starchart center is specified by two parameters: Right
Ascension [0.00 to 24.00 hours] and Declination [-90.00 to
+90.00 degrees]. An optional third parameter defines the
N/S range of the output window, in degrees of declination.
Digits after decimal point are taken as minutes: object
positions can therefore be taken directly from a star
catalog.
An optional fourth parameter gives a title. This conforms
to the 'old' Yale star chart format. Two new parameters can
be added after title, defining the magnitude limit and label
printing magnitude limit. These are discussed below. All
parameters can be given by using options, which offers more
flexibility. Parameters are:
-✓-✓-✓-r✓r✓r✓r Right ascension.
-✓-✓-✓-d✓d✓d✓d Declination.
-✓-✓-✓-s✓s✓s✓s Scale.
-✓-✓-✓-t✓t✓t✓t Title. All these work as described above. Additional
Page 1 (printed 12/18/87)
S✓S✓S✓ST✓T✓T✓TA✓A✓A✓AR✓R✓R✓RC✓C✓C✓CH✓H✓H✓HA✓A✓A✓AR✓R✓R✓RT✓T✓T✓T(✓(✓(✓(1✓1✓1✓1L✓L✓L✓L)✓)✓)✓) 9✓9✓9✓9/✓/✓/✓/2✓2✓2✓22✓2✓2✓2/✓/✓/✓/8✓8✓8✓87✓7✓7✓7 (✓(✓(✓(L✓L✓L✓LO✓O✓O✓OC✓C✓C✓CA✓A✓A✓AL✓L✓L✓L)✓)✓)✓) S✓S✓S✓ST✓T✓T✓TA✓A✓A✓AR✓R✓R✓RC✓C✓C✓CH✓H✓H✓HA✓A✓A✓AR✓R✓R✓RT✓T✓T✓T(✓(✓(✓(1✓1✓1✓1L✓L✓L✓L)✓)✓)✓)
switches:
-✓-✓-✓-m✓m✓m✓m Star limiting magnitude. This sets limits on the
faintest stars displayed on the ``master'' view.
Default limits are device driver dependent (more
below). The ``thumbnail'' finder view is set to a
related limit.
-✓-✓-✓-l✓l✓l✓l Label limiting magnitude. The new Yale database
contains both a small set of familiar names (for stars
and special objects), plus an extensive list of labels
(Greek Bayer letter or Flamsteed numbers). Star names
(including planet names) always print for this small
set. To avoid clutter, the labels may be omitted below
a cut-off magnitude by specifying this value.
-✓-✓-✓-g✓g✓g✓g Greek/Flamsteed annotation magnitude. Labels printed
for stars dimmer than this value will use a Bayer or
numerical label in favor of a proper name. The default
(2.05) includes nearly all well-known proper names
including Polaris, and excludes but a small number
(such as Algol). Large values generate charts full of
obscure Arabian names, small (zero or negative) values
produce non-verbose charts, eg. ``a'', in Greek where
possible, instead of ``Sirius''.
-✓-✓-✓-c✓c✓c✓c A three or four character mnemonic follows, which is a
search string for a matching line-item entry in the
file _✓c_✓o_✓n._✓l_✓o_✓c_✓s. If found, then the initial values for
Ra, Decl, Scale and Title are taken from that file.
Because the command line is parsed from left to right,
subsequent switches might change the scale, title, or
otherwise fine-tune the new defaults.
-✓-✓-✓-f✓f✓f✓f A list of files follow, each containing ephemerides in
the .star format, which will overlay the output. This
is also useful for generating constellation boundaries,
Milky Way isophots, and planet or satellite tracks.
(The .star format additionally includes records for
vector and text annotation). Files are processed
sequentially. Thus, order may take on meaning for
devices which provide a 2-1/2D page description, such
as PostScript.
-✓-✓-✓-b✓b✓b✓b This switch provides a single full-page of output,
without a thumbnail-sized finder chart. The legend
placard is replaced with a single line banner giving
title, right ascension, declination and limiting
magnitude. This mode is useful for the construction of
atlas pages. Because the page depicts the same vertical
scale in degrees of declination, the output will cover
a slightly reduced extent in right ascention.
Page 2 (printed 12/18/87)
S✓S✓S✓ST✓T✓T✓TA✓A✓A✓AR✓R✓R✓RC✓C✓C✓CH✓H✓H✓HA✓A✓A✓AR✓R✓R✓RT✓T✓T✓T(✓(✓(✓(1✓1✓1✓1L✓L✓L✓L)✓)✓)✓) 9✓9✓9✓9/✓/✓/✓/2✓2✓2✓22✓2✓2✓2/✓/✓/✓/8✓8✓8✓87✓7✓7✓7 (✓(✓(✓(L✓L✓L✓LO✓O✓O✓OC✓C✓C✓CA✓A✓A✓AL✓L✓L✓L)✓)✓)✓) S✓S✓S✓ST✓T✓T✓TA✓A✓A✓AR✓R✓R✓RC✓C✓C✓CH✓H✓H✓HA✓A✓A✓AR✓R✓R✓RT✓T✓T✓T(✓(✓(✓(1✓1✓1✓1L✓L✓L✓L)✓)✓)✓)
-✓-✓-✓-a✓a✓a✓a This switch provides annotation-only (text) output: all
stars and non-stellar objects are omitted (including
objects normally rendered by using alpha characters).
Borders and legends are left undisturbed. This feature
is useful in separating output detail, as when making
(color) overhead transparencies.
-✓-✓-✓-o✓o✓o✓o This switch provides object-only output, and is the
complement of the above switch. When both switches
appear together, all output is displayed. This
resembles the default case (neither switch), except in
that case object and annotation detail are written
together. Here the software makes two consecutive
passes through all datasets and arranges output detail
to be writt