image information

Clicking this icon will display information about the image.

match with star catalog

Shows a window, where you can re-input the center coordinates of the image in order to match with the star catalog. It is the same window which appears upon loading the first image file.

image display option

Modifies contrast and sky brightness of the image.

blink

Moves to the blink window, where loaded images will be displayed in succession.

save with new name [on SET UP window]

This allows you to save your current setting on a new file.

output image as BMP [on window for loading image files]

This allows you to save your current image in BMP format.

output measured data [on blinking and pixel brightness map windows]

This allows you to save the result of your measurement on a file.

read image (1) - (6) [on window for loading image files]

This allows you to load the images into memory. Load them in order of data acquisition.

images NO.1 - 6 [on window for image information and table of residuals]

This icon selects images and displays their properties. The display will not be changed if you select the number of image that you have not yet loaded.

clear [on window for loading images]

This icon clears the image currently being displayed. However, if it is the image NO.1 then all of the images will be cleared from memory.

clear [on window for pixel brightness map]

This icon clears pixel selection.

clear all

Clears all of the images from main memory.

help

Displays information relevant to the current window.

index

If this icon is clicked whilst in the help display mode it will display help index. Use this icon in order to get information on another window.

return

Return to previous display without saving the result of your last operation.

open [on SET UP window]

This reads parameters from the user-specified file.

reference

This will show existing paths and files when you save your data or images on a file.

default values

Current setting values are saved as the standard setting, and they are used when the program is next executed.

default values

Changes user set values to default values.

automatic matching

Stars on the image are automatically matched with those on the star catalog. There are occasional errors. If an error occurs please use manual matching.

manual matching

This allows you to match manually stars on the image with the star catalog. Please mark stars by clicking on them which, you think, are the same stars on both. You must mark more than three pairs both on the image and the star catalog so that they form a polygon as large as possible on your display. After selecting stars, click this icon once again.

table of residuals

This shows you the amount of discrepancy in the positions between stars on the image and the data on the star catalog.

OK

Click on this icon if you are satisfied with your current setting. Your current setting becomes effective and the display returns to that of just before this operation.

cancel

Click on this icon when you wish to invalidate your currently chosen setting on your current window. Once you select default setting you will not be able to cancel it.

apply to all images

Click on this icon if you are satisfied with your current setting and want to apply it to all other images.

show test image 1

The sample image to the right of this icon will be redrawn according to your current setting.

show test image 2

The sample image to the right of this icon will be drawn or redrawn according to your current setting. You can use this icon in order to compare images by leaving the sample image on the Test Display 1 as it was.

display whole image

Whole of the picture will be shown on your display. When this mode is selected, the icon will change to one with the Sun in the background (right).

true scale

In this mode, one pixel of the image corresponds to one pixel of your display. When this mode is selected, the icon will change to one with the Sun in the background (right).

set image size

Choose scaling % of your preference to enlarge/shrink your image on your display. Upon choosing the scale in the box to the right of this icon, click on this icon. When this mode is selected, the icon will change to one with the Sun in the background (right).

Select images

Currently loaded images are shown with image numbers. You can choose images that you want to blink by checking those you want to blink. If you remove checking marks then they will not be displayed on the blinking window.

manual blink

Click on this icon, then images will be displayed one by one each time you click on this icon. You may use this in order to check objects you find with automatic blinking.

automatic blink

Click on this icon, then blinking will start automatically. The number shown in the box on the right can control the blinking period. The minimum blinking period is 1/1000 second. Pictures will be replaced every one second if you select the number 1,000. Please use this automatic blinking when you try and detect objects such as asteroids. Automatic blinking is stopped if manual blinking icon is clicked.

reset, initialize

This will remove all markings on the image.

find moving objects

This will mark objects in blue which are suspected as moving objects. More than two images must be loaded in the main memory.

find known asteroids

Clicking on this icon will mark known asteroids in red.
However, this function does not work in the current project.

table of known asteroids

Detailed information on known asteroids will be displayed.
However, this function does not work in the current project.

detect stars

Objects that are recognized as stars will be marked red.

stars used for analysis

Stars on the image that are correctly matched with those on the star catalog will be marked red. Stars with large discrepancies will be marked blue.

pixel brightness map

Click on this icon after you have marked your target object in the blinking window. The area around the selected object will be enlarged. The pixel numbers are shown on the upper end and left side. Numbers in the cells indicate the brightness. The greater the numbers the brighter the stars. Use this map in order to determine star positions manually with high accuracy.