Gemini North Semester 2021B
The semester calendar shows multi-instrument queue nights, scheduled classical or Priority Visitor runs, and engineering or commissioning. Dates are local HST, dates in red are weekends and holidays.
Instruments potentially usable are indicated by the colored-horizontal bands (see color key below). Note: Rapid ToO PIs should always check																		the current instrument configuration page
LGS is available if Altair is available.
	Key:		GMOS							NIRI					NIFS					Visiting					Altair
			GMOS and GRACES							GNIRS										Eng./Commis.
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Aug	GMOS																							SHUTDOWN									Aug
	GNIRS
22 full	NIRI/NIFS
3 new	Altair
	Visiting										MAROON - X
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Sept	GMOS	SHUTDOWN																															Sept
	GNIRS
21 full	NIRI/NIFS
6 new	Altair
	Visiting
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Oct	GMOS		ENG	ENG	ENG	ENG																											Oct
	GNIRS		ENG	ENG		ENG
26 full	NIRI/NIFS		ENG	ENG					ENG
6 new	Altair		ENG	ENG				ENG
	Visiting		ENG	ENG				ALOPEKE					ALOPEKE														MAROON - X
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Nov	GMOS																																Nov
	GNIRS
18 full	NIRI/NIFS
5 new	Altair
	Visiting	MAROON - X
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dec	GMOS																																Dec
	GNIRS
18 full	NIRI/NIFS
4 new	Altair
	Visiting						ALOPEKE
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Jan	GMOS																																Jan
	GNIRS
16 full	NIRI/NIFS
3 new	Altair