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The Starbase One Astronomy & Space Collection
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STARBASE_ONE.ISO
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a94
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disk08
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pol.exe
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HELP1.DAT
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1991-04-02
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The most important field on the screen is the one called "NGC". Since
most objects in the database have a NGC number, the 6 character
identifier is called NGC. Most objects in the database are NGC
objects, but there are quite a few other types of objects. For the
sake of simplicity, the system calls everything an NGC object. The
true NGC objects are shown as a simple right-adjusted number. If
there are any letters in the object name then it is not a true NGC
object. You can have other items in the database besides NGC objects.
The system comes with a number of double stars (the letter A followed
by up to 5 digits) from the Aitken Double Star Catalog, and you can
enter your own objects to record information about (comets, planets,
aurora, moon,...). A description of all of the fields shown on the
file maintenance screen is shown below:
NGC Database object number or name
Messier Messier object number (there are 109 of these)
Con Abbreviation of the constellation name that contains
this object
R.A. Object's Right Ascension
DEC Object's Declination
MAG #1 Magnitude of the object or primary in a double star
MAG #2 Magnitude of the secondary in a double star
Type Type of object (corresponds the Object Type Codes at the
bottom of the screen)
Size Size of object measured in arc minutes unless the arc
seconds symbol is used (arc seconds are shown with a
quote mark like 23")
PA Position angle for double stars
Sky_atlas Wil Tirion's Sky Atlas 2000 chart number
Uranometria Wil Tirions Uranometria catalog page number
Name Name or brief (25 character) descriptive note
Date Seen Indicates the date of the first time you saw this object
Date Failed Date that you tried unsuccessfuly to see this object
Location Location where object was first seen.
The box in the lower half of the screen contains "yes" or "no" answers
to 12 observation questions. The last 8 items identify what kind of
instrument the object was seen with. These 8 instrument items are
configurable by you (see "configuration memu" in manual). These
fields are described below:
Easy The object should be easy to see in a small
telescope.
Try Again Try viewing this object again under better
conditions.
Special You can mark any objects as special and restrict
reports to containing only "special" objects.
Failed Tried to view this object but failed.
The 8 instrument fields that are available work in the same manner as
the ones above - only a Y/N answer is acceptable.
The command lines at the bottom of the screen have all of the valid
commands. All commands are done with a single keystroke. Simply
press the first letter of the command that you want to execute or use
the arrow keys to highlight the command and press enter. The commands
are described below:
Add Add a new object to the database. You are
allowed to enter all fields.
Change Change the contents of all fields of the
currently shown object.
Delete Delete the current object.
Update Change the contents of all fields from "Date
Seen" down.
Text Enter new text or edit existing text for the
current object. The editor used to maintain your
text is a simple word processor. The editor's
capabilities are documented at the bottom of the
screen when using it.
Show Display the text from the current object. The
second screen on the following page shows an
example of this command's effect. This command
uses a crippled version of the editor. The
instructions at the bottom of the screen define
its use.
Next Move forward to the next NGC number (sorted
alphabetically by NGC).
Previous Move backward to the previous NGC number.
First Move to the first item in the file.
Last Move to the last item in the file.
1-Goto-Mess Prompts you for a Messier number to position on.
2-Next-Mess Positions you on the next Messier object. For
example if you are positioned on M33 and you
select this command, you will be taken to M34.
If the current object does not have a Messier
number, then this command will take you to M1.
3-Prev-Mess Positions you on the previous Messier object.
4-Next-Viewed Positions you on the next item (according to NGC
number) that has a valid date first seen in it.
5-Prev-Viewed Positions you on the previous item (according to
NGC number) that has a valid date first seen in
it.
Goto The system will ask you for an NGC number to jump
to. If the number is found, you will be
positioned on that object.
Messier Prompts you for a Messier number to position on.
Zip-To-Text Prompts you for a phrase and positions you on the
next record that has that text in the name field
or the text lines.
Import Bring in a new object from the 7785 objects in
the POL-ALL file. This will supply only the NGC,
R.A., Dec., Mag, and Type.
# Prompts you for a specific record number to jump
to.
+ Prompts you for how many object to skip over in a
forward direction.
- Prompts you for how many object to skip over in a
backward direction.
Help Bring up the on-line help.
Quit Leave this screen and go back to the main menu.