== [[span(style=color: green, **P1.12 Verification of the contrast for coronagraphic masks** )]] ==

- **Phase**		:	1  
- **Status**		: 	[[span(style=color: green, **COMPLETE** )]]	 
- **Category**	: 	Daytime testing (functionality and operability) (C3)
- **Recurrence**	: 	once
- **Duration**	: 	1 day

**Description**
- Verify the center mask algorithm, and calculate the rejection factor. Verify the contrast obtained for different sets of masks on the scientific camera. 

**Prerequisites**
- SHARK-NIR is connected to the LBT network.
- Electronics cabinets on.
- The cryostat should be running and cooled down.
- Activity P1.0 (and, if required, P1.11) should be completed.

**Procedure**
- TBW

**Templates**

**Success criteria**
- The mask-centering algorithm works efficiently.
- The raw contrast estimated is within specifications for all the coronagraphic masks.

**Notes**


**LBTO support**
- Liquid Nitrogen refill is required in the cleanroom.

**Date performed and by whom**