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Just checking... Diameter of the M1 mirror at NOT:   (in mm)
Please note:

Your information is only used to a) authenticate yourself to the NOT OB Generator and the NOT data server and b) enable the OB Generator and other NOT OB related software programs to contact you by email with information concerning your OBs. Nothing else.

Although this connection is encrypted, we store passwords internally in clear text. Therefore, for your own security, we strongly suggest you choose a password that you do not use anywhere else.

Should you forget your password or wish to change any of the information above, please contact

If you have registered an OB account in the past, PLEASE do not register twice or more times. Contact us to fix any issue.

Back to top Last modified: September 29 2023