Gemini North Semester 2023A -- Dates are local HST
The schedule might change.  Altair is currently not available.
The semester calendar shows multi-instrument queue nights, 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 & GRACES							GNIRS					NIRI & NIFS					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
Feb	GMOS	SHUTDOWN																															Feb
	GNIRS
5 full	NIRI/NIFS
9 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
Mar	GMOS	SHUTDOWN																															Mar
	GNIRS
7 full	NIRI/NIFS
2 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
Apr	GMOS	SHUTDOWN																															Apr
	GNIRS
5 full	NIRI/NIFS
19 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
May	GMOS	SHUTDOWN																															May
	GNIRS
5 full	NIRI/NIFS
19 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
June	GMOS	SHUTDOWN	Onsky engineering and Checkouts																														June
	GNIRS
3 full	NIRI/NIFS
17 new	Altair
	Visiting	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	31
July	GMOS																																July
	GNIRS
3 full	NIRI/NIFS
17 new	Altair
		MAROON-X											GRACES
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