Create Master Dark Properties

Profile [|>]

Manages the parameter collection used by this dialog. See Profile Control for details.

Select

Opens the Select Source Images dialog for selecting source images to be processed into the final calibrated result. The name of the first selected file or displayed image is listed in the field to the right.

Name of the Master Dark to be created

Enter a name for the master dark being created or click [...] to browse files to choose a name..

Create in subfolder:

Enter the name of the subfolder where the Master Dark will be created. This is a subfolder of the folder containing the first raw

Dark frame in the source image list.

 Overwrite existing files

Check this box to overwrite an existing file having the same file name in the output subfolder. If this box is not checked and a file of the same name exists, an underscore and number will be appended to the output file. For example, if MasterDark.fts exists and this box is not checked, then the output file will be named MasterDark_2.fts

Combining Strategy...

Click this button to set properties for combining the dark frames.

Selection Criteria...

Click this button to set properties for selecting raw dark frames based on their range in dark exposure. This allows Mira to use only raw darks that are statistically valid by having a minimum exposure but not saturated beyond a maximum exposure.

Bias Correction...

Click this button to open the Bias Correction Properties dialog for applying a bias correction to the raw dark frames.

 Display result

Check this box to display the resulting Master Dark.

 Log Processing

Check this box to list verbose processing messages in a Text Editor window. If the window already exists from previous processing by this or another calibration command, then its contents are appended.

Log processing to:

The drop list provides options for listing messages:

--None -- lists no processing messages

This window lists processing messages in the "Calibration Message Log" text area at the bottom of the dialog.

Editor lists processing messages in a Text Editor window named "Calibration Message Log".

Notification:

Select the type of notification Mira issue when processing is finished:

Do nothing Quietly ends the processing without notification.

Beep creates a notification sound,

Message displays a notification message in a top level dialog that locks out Mira use until you dismiss the message.

Dark Frame Selection Criteria Properties

Keyword for Dark Time

Enter the name of the keyword that holds the thermal integration time for the image. This might be DARKTIME or EXPTIME, as described in the introduction, above.

Filter Keyword

Specify the name of the filter keyword in the raw flat frames. When Filter Selection Criteria options 2 and 3 are selected, this property specifies the name of the filter keyword. Typically, this is the FITS format standard FILTER, although any keyword may be used.

 Select individual darks using the dark integration time

Check this box to select raw dark frames based on the value of the specified keyword. Enter the minimum and maximum acceptable time, measured in seconds..

Min Value

Specify the minimum acceptable dark integration time.

Max Value

Specify the maximum acceptable dark integration time.

Tip

To abort the calibration before it is finished, click the [Cancel] button on the progress window or press the Esc key. Mira will prompt you for confirmation to quit. If you confirm, the task will terminate immediately.