LDSS-3 / GISMO Slit Mask Manager

Observatories of the Carnegie Institution of Science

Use this form to submit your LDSS-3 / GISMO slit mask files.

Please submit mask files (.nc format only). Fill in all fields and provide a valid e-mail address. A message will be sent to you confirming when each mask has been cut.

If you would like to search the mask database click here.

P.I. Information:

First name:         Last name: 

Email address: 

Institution:         Other: 

Observing Run Information:

Click on the calendar icon to enter the date (YYYY-MM-DD) of the first night of your observing run:

Billing Information:

Institution to be billed for cost of masks: 


Please use this space for any relevant comments. In particular, if the P.I. is not the observer, or was not the person who created the mask files, please include this information here.

    (255 chars max.)

Mask Files (.nc format only):

Select .nc files to be uploaded. If you have more than 15 files, submit the additional files in a separate submission of this form. (Maximum allowed size of files is 1 Mbytes.)


    DON'T send zipped files.