Use for repairing this type of defect:

Commands:

Isolated high or low pixels.

Create Pixel Mask

Apply Pixel Mask

Interactive Repair

Clean Image Set

Residual high or low pixels that were not corrected by removing the dark current

Create Pixel Mask

Apply Pixel Mask

Interactive Repair

Clean Image Set

CCD hot columns and cold traps.

Edit Blemish Mask

Apply Blemish Mask

Cluster defects larger than 1 or 2 pixels in area.

Edit Blemish Mask

Apply Blemish Mask

Cosmic rays and ionizing radiation events.

Clean Image Set

Cosmic Ray Filter

Median Filter

Removing stars, such as those interfering with local background measurements for photometry.

Star Removal

Apply Blemish Mask

Repairs lines and rectangular regions of pixels that are always located at the same coordinates, such as hot columns, cold traps, and blemishes larger than 1 pixel in area.

Apply Pixel Mask

Repairs isolated pixels using coordinates loaded from a file containing x,y positions of the bad pixels. Use this for repairing pixels that always are located at the same coordinates, such as hot or cold pixels.

Clean Image Set

Detects ands, optionally, repairs transient bad points and regions which vary in position, such as cosmic ray and ionizing radiation events, as well as poorly corrected hot pixels.

Cosmic Ray Filter

Automatically detects and repairs isolated pixels and small clusters of hot pixels as are often caused by cosmic rays and ionizing radiation.

Create Pixel Mask

Used to create a pixel mask by detecting isolated pixels that are very high or very low.

Edit Blemish Mask

Creates and edits a blemish mask, which is a text-based description of blemish locations.

Edit Pixel Mask

Edits an existing pixel mask or creates new a pixel mask by entering coordinates into a grid. You can also use it to review mask coordinates by sending the Image Cursor to mask coordinates in the mask's source image.

Interactive Repair

Provides a pixel zapping tool used to repair pixels by interactively marking them on an image.

Star Removal

Used to remove interfering stars or other point sources from the image. This is typically used before doing photometry on the image.