Nordic Optical Telescope

*Filters mounted for StanCam*
Position	ID	FILTER	FOCUS OFFSET	THICKNESS
1	6	U_Bes 363_56	0	5
2	8	B_Bes 429_106	0	5.1
3	9	V_Bes 543_103	0	5
4	10	R_Bes 641_148	0	5
5	13	i_int 793_170	80	9
6	83	g'_SDSS 480_145	0	5
7	86	z'_SDSS 840_LP	0	5
8	126	WG280 280_LP
9	29	Halp 656_16	10	5.6

NOTE Filters B#8, V#9, R#10, g'#83, Clear#126 are to be used for FIES target acquisition as well.

NOTE estimated focus offset based on the thickness of the filter

The relative focus offset can be calculated knowing that it has been measured to be about 19 TCS units per mm.

NOTE, while SOFIN is mounted the red light from SOFIN makes SDSS z-filter imaging virtually impossible.

Last modified: April 20 2023