HET Night Report Reader

Civil Date	Ephemerides
2026-10-03	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:45	01:30	01:58	11:31	11:59	12:45	06:35	-
Night Length	9:33		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Cassie Crowe	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
08:01	11.5	11.5	08:24	dew point	00:23
Total Time Open					0:23

Program	Night Priority	Science
01:58	Idle due to weather (high humidity)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
08:01	08:22										First of Night
↪ Comments			Closed for dew point halfway through.

Problem Reports					no PRs

Ops Comments	none

TO Comments	Fog and humidity nearly all night. Opened very briefly but closed again mid-stack.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000007_08	bias	00:00	0			VIRUS	cal							Yes
lrs20000008_09	bias	00:00	0			LRS2	cal							Yes
virus0000007_09	bias	00:01	0			VIRUS	cal							Yes
lrs20000008_10	bias	00:01	0			LRS2	cal							Yes
virus0000007_10	bias	00:02	0			VIRUS	cal							Yes
lrs20000008_11	bias	00:02	0			LRS2	cal							Yes
virus0000007_11	bias	00:02	0			VIRUS	cal							Yes
lrs20000009_01	dark	00:03	360			LRS2	cal							Yes
virus0000008_01	dark	00:03	360			VIRUS	cal							Yes
lrs20000009_02	dark	00:10	360			LRS2	cal							Yes
virus0000008_02	dark	00:10	360			VIRUS	cal							Yes
lrs20000009_03	dark	00:17	360			LRS2	cal							Yes
virus0000008_03	dark	00:17	360			VIRUS	cal							Yes
virus0000001_01	dark	03:33	360		ENG26-3-004	VIRUS	cal							Yes
virus0000001_02	dark	03:40	360		ENG26-3-004	VIRUS	cal							Yes
virus0000001_03	dark	03:47	360		ENG26-3-004	VIRUS	cal							Yes
virus0000001_04	dark	03:53	360		ENG26-3-004	VIRUS	cal							Yes
virus0000001_05	dark	04:00	360		ENG26-3-004	VIRUS	cal							Yes
virus0000001_06	dark	04:07	360		ENG26-3-004	VIRUS	cal							Yes
virus0000001_07	dark	04:14	360		ENG26-3-004	VIRUS	cal							Yes
virus0000001_08	dark	04:21	360		ENG26-3-004	VIRUS	cal							Yes
virus0000001_09	dark	04:28	360		ENG26-3-004	VIRUS	cal							Yes
virus0000001_10	dark	04:35	360		ENG26-3-004	VIRUS	cal							Yes
lrs20000001_01	bias	10:42	0			LRS2	cal							Yes
virus0000002_01	bias	10:43	0			VIRUS	cal							Yes
virus0000003_01	Cd-A	10:48	15		ENG26-3-002	VIRUS	cal							Yes
virus0000004_01	Hg	10:49	15		ENG26-3-002	VIRUS	cal							Yes
lrs20009900_01	bias	22:52	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:53	20			VIRUS	cal							Yes
virus0009901_01	bias	22:55	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:55	20			LRS2	cal							Yes
virus0009902_01	dark	22:56	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:57	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:59	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:00	15			LRS2	cal							Yes
lrs20000002_01	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000002_02	flat_Qth_R	23:11	15			LRS2	cal							Yes
lrs20000002_03	flat_Qth_R	23:12	15			LRS2	cal							Yes
lrs20000002_04	flat_Qth_R	23:13	15			LRS2	cal							Yes
lrs20000002_05	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000003_01	flat_ldls_long_B	23:15	20			LRS2	cal							Yes
lrs20000003_02	flat_ldls_long_B	23:17	20			LRS2	cal							Yes
lrs20000003_03	flat_ldls_long_B	23:18	20			LRS2	cal							Yes
lrs20000004_01	Cd-A_B	23:19	29			LRS2	cal							Yes
lrs20000004_02	Cd-A_B	23:21	29			LRS2	cal							Yes
lrs20000004_03	Cd-A_B	23:22	29			LRS2	cal							Yes
lrs20000005_01	FeAr_R	23:24	15			LRS2	cal							Yes
lrs20000005_02	FeAr_R	23:25	15			LRS2	cal							Yes
lrs20000005_03	FeAr_R	23:26	15			LRS2	cal							Yes
lrs20000006_01	Hg_R	23:28	20			LRS2	cal							Yes
lrs20000006_02	Hg_R	23:29	20			LRS2	cal							Yes
lrs20000006_03	Hg_R	23:30	20			LRS2	cal							Yes
lrs20000007_01	Hg_B	23:31	15			LRS2	cal							Yes
lrs20000007_02	Hg_B	23:33	15			LRS2	cal							Yes
lrs20000007_03	Hg_B	23:34	15			LRS2	cal							Yes
virus0000004_01	flat_ldls_long	23:41	15			VIRUS	cal							Yes
virus0000004_02	flat_ldls_long	23:42	15			VIRUS	cal							Yes
virus0000004_03	flat_ldls_long	23:44	15			VIRUS	cal							Yes
virus0000005_01	Cd-A	23:45	15			VIRUS	cal							Yes
virus0000005_02	Cd-A	23:47	15			VIRUS	cal							Yes
virus0000005_03	Cd-A	23:48	15			VIRUS	cal							Yes
virus0000006_01	Hg	23:49	15			VIRUS	cal							Yes
virus0000006_02	Hg	23:51	15			VIRUS	cal							Yes
virus0000006_03	Hg	23:52	15			VIRUS	cal							Yes
lrs20000008_01	bias	23:53	0			LRS2	cal							Yes
virus0000007_01	bias	23:54	0			VIRUS	cal							Yes
lrs20000008_02	bias	23:54	0			LRS2	cal							Yes
virus0000007_02	bias	23:54	0			VIRUS	cal							Yes
lrs20000008_03	bias	23:55	0			LRS2	cal							Yes
virus0000007_03	bias	23:55	0			VIRUS	cal							Yes
lrs20000008_04	bias	23:56	0			LRS2	cal							Yes
virus0000007_04	bias	23:56	0			VIRUS	cal							Yes
lrs20000008_05	bias	23:57	0			LRS2	cal							Yes
virus0000007_05	bias	23:57	0			VIRUS	cal							Yes
lrs20000008_06	bias	23:58	0			LRS2	cal							Yes
lrs20000008_07	bias	23:58	0			LRS2	cal							Yes
virus0000007_06	bias	23:58	0			VIRUS	cal							Yes
virus0000007_07	bias	23:59	0			VIRUS	cal							Yes
lrs20000008_08	bias	23:59	0			LRS2	cal							Yes

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