HET Night Report Reader

Civil Date	Ephemerides
2026-09-27	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:53	01:38	02:06	11:27	11:55	12:41	01:19	-
Night Length	9:21		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Aiden Dillard	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:23	22.5	19.5	11:33	twilight	11:10
Total Time Open					11:10

Program	Night Priority	Science
02:06	Science
02:31	Idle due to weather (bright sky, queue gap)
07:26	Science
08:48	Idle due to weather (bright sky, queue gap)
11:04	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:16	01:48	0.47	0.71	-389	+100	21.5	21.7	21.3	24	11	First of Night
11:28	11:33	0.59	0.96	-415	+1607	20.7	21.1	21.0	74	8	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear but moonlit night with queue holes with HPF down.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000022_02	dark	00:05	360			LRS2	cal							Yes
virus0000018_02	dark	00:05	360			VIRUS	cal							Yes
lrs20000022_03	dark	00:11	360			LRS2	cal							Yes
virus0000018_03	dark	00:12	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	00:57	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:58	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:00	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:01	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:02	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:03	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:06	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:07	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:08	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:10	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:11	26			VIRUS	cal							Yes
virus0000006_01	parallel	01:54	300			VIRUS	sci							Yes
lrs20000007_01	QID 1107	01:54	300	5.0	UT26-3-003	LRS2-R	sci	1.54	1.01	17.93	0.55			Yes
virus0000007_01	parallel	02:04	300			VIRUS	sci							Yes
lrs20000008_01	QID 1106	02:04	300	5.0	UT26-3-003	LRS2-B	sci	1.51	0.95	18.43	0.63			Yes
lrs20000009_01	1812095_056_W	02:15	120	6.0		LRS2	spec	1.43	1.00	19.02	0.76			Yes
lrs20000010_01	1812095_066_W	02:20	120	3.0		LRS2	spec	1.27	1.04	18.91	0.91			Yes
virus0000008_01	1812095_052_W	02:26	60	4.0		VIRUS	spec	1.60	1.12	19.05	0.80			Yes
virus0000008_02	1812095_052_W	02:28	60	1.0		VIRUS	spec	1.48	1.05	19.02	0.77			Yes
virus0000008_03	1812095_052_W	02:30	60	1.0		VIRUS	spec	1.50	1.04	18.99	0.74			Yes
lrs20000011_01	dark	02:51	1800		ENG26-3-002	LRS2	cal							Yes
lrs20000011_02	dark	03:22	1800		ENG26-3-002	LRS2	cal							Yes
lrs20000011_03	dark	03:53	1800		ENG26-3-002	LRS2	cal							Yes
virus0000009_01	parallel	07:34	600			VIRUS	sci							Yes
lrs20000012_01	QID 892	07:34	600	8.0	UT26-3-009	LRS2-B	sci	1.50	0.88	17.91	0.66			P4
virus0000010_01	parallel	07:49	1200			VIRUS	sci							Yes
lrs20000013_01	QID 893	07:49	1200	5.0	UT26-3-009	LRS2-R	sci	1.38	0.77	17.96	0.80			P4
virus0000011_01	parallel	08:14	600			VIRUS	sci							Yes
lrs20000014_01	QID 894	08:14	600	5.0	UT26-3-009	LRS2-B	sci	1.41	0.83	18.33	0.68			P4
virus0000012_01	parallel	08:28	1200			VIRUS	sci							Yes
lrs20000015_01	QID 895	08:28	1200	4.0	UT26-3-009	LRS2-R	sci	1.34	0.76	18.30	0.72			P4
lrs20000016_01	FeAr_long_R	08:52	65		ENG26-3-002	LRS2	cal							Yes
lrs20000016_02	FeAr_long_R	08:54	65		ENG26-3-002	LRS2	cal							Yes
lrs20000016_03	FeAr_long_R	08:57	65		ENG26-3-002	LRS2	cal							Yes
lrs20000016_04	FeAr_long_R	08:59	65		ENG26-3-002	LRS2	cal							Yes
lrs20000017_01	FeAr_long_B	09:04	150		ENG26-3-002	LRS2	cal							Yes
lrs20000017_02	FeAr_long_B	09:07	150		ENG26-3-002	LRS2	cal							Yes
lrs20000017_03	FeAr_long_B	09:10	150		ENG26-3-002	LRS2	cal							Yes
lrs20000017_04	FeAr_long_B	09:14	150		ENG26-3-002	LRS2	cal							Yes
lrs20000018_01	QID 221	11:09	150	4.5	PSU26-3-003	LRS2-B	sci	1.40	0.81	18.65	0.82			Yes
lrs20000019_01	QID 900	11:16	180	5.0	UT26-3-009	LRS2-B	sci	1.17	0.74	18.79	0.72			P4
virus0000013_01	parallel	11:21	360			VIRUS	sci							Yes
lrs20000020_01	QID 901	11:21	360	2.0	UT26-3-009	LRS2-R	sci	1.17	0.72	18.72	0.93			P4
lrs20000021_01	bias	11:42	0			LRS2	cal							Yes
virus0000014_01	bias	11:42	0			VIRUS	cal							Yes
virus0000015_01	Cd-A	11:47	15		ENG26-3-002	VIRUS	cal							Yes
virus0000016_01	Hg	11:48	15		ENG26-3-002	VIRUS	cal							Yes
lrs20009900_01	bias	22:50	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:51	20			VIRUS	cal							Yes
virus0009901_01	bias	22:53	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:53	20			LRS2	cal							Yes
virus0009902_01	dark	22:54	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:55	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:57	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:58	15			LRS2	cal							Yes
lrs20000015_01	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000015_02	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000015_03	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000015_04	flat_Qth_R	23:08	15			LRS2	cal							Yes
lrs20000015_05	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000016_01	flat_ldls_long_B	23:11	20			LRS2	cal							Yes
lrs20000016_02	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000016_03	flat_ldls_long_B	23:13	20			LRS2	cal							Yes
lrs20000017_01	Cd-A_B	23:14	29			LRS2	cal							Yes
lrs20000017_02	Cd-A_B	23:16	29			LRS2	cal							Yes
lrs20000017_03	Cd-A_B	23:17	29			LRS2	cal							Yes
lrs20000018_01	FeAr_R	23:19	15			LRS2	cal							Yes
lrs20000018_02	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000018_03	FeAr_R	23:21	15			LRS2	cal							Yes
lrs20000019_01	Hg_R	23:23	20			LRS2	cal							Yes
lrs20000019_02	Hg_R	23:24	20			LRS2	cal							Yes
lrs20000019_03	Hg_R	23:25	20			LRS2	cal							Yes
lrs20000020_01	Hg_B	23:27	15			LRS2	cal							Yes
lrs20000020_02	Hg_B	23:28	15			LRS2	cal							Yes
lrs20000020_03	Hg_B	23:29	15			LRS2	cal							Yes
virus0000014_01	flat_ldls_long	23:36	15			VIRUS	cal							Yes
virus0000014_02	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000014_03	flat_ldls_long	23:38	15			VIRUS	cal							Yes
virus0000015_01	Cd-A	23:40	15			VIRUS	cal							Yes
virus0000015_02	Cd-A	23:41	15			VIRUS	cal							Yes
virus0000015_03	Cd-A	23:43	15			VIRUS	cal							Yes
virus0000016_01	Hg	23:44	15			VIRUS	cal							Yes
virus0000016_02	Hg	23:45	15			VIRUS	cal							Yes
virus0000016_03	Hg	23:47	15			VIRUS	cal							Yes
lrs20000021_01	bias	23:48	0			LRS2	cal							Yes
virus0000017_01	bias	23:48	0			VIRUS	cal							Yes
lrs20000021_02	bias	23:49	0			LRS2	cal							Yes
virus0000017_02	bias	23:49	0			VIRUS	cal							Yes
lrs20000021_03	bias	23:50	0			LRS2	cal							Yes
virus0000017_03	bias	23:50	0			VIRUS	cal							Yes
lrs20000021_04	bias	23:51	0			LRS2	cal							Yes
virus0000017_04	bias	23:51	0			VIRUS	cal							Yes
lrs20000021_05	bias	23:52	0			LRS2	cal							Yes
virus0000017_05	bias	23:52	0			VIRUS	cal							Yes
lrs20000021_06	bias	23:52	0			LRS2	cal							Yes
lrs20000021_07	bias	23:53	0			LRS2	cal							Yes
virus0000017_06	bias	23:53	0			VIRUS	cal							Yes
virus0000017_07	bias	23:54	0			VIRUS	cal							Yes
lrs20000021_08	bias	23:54	0			LRS2	cal							Yes
virus0000017_08	bias	23:54	0			VIRUS	cal							Yes
lrs20000021_09	bias	23:55	0			LRS2	cal							Yes
virus0000017_09	bias	23:55	0			VIRUS	cal							Yes
lrs20000021_10	bias	23:56	0			LRS2	cal							Yes
virus0000017_10	bias	23:56	0			VIRUS	cal							Yes
lrs20000021_11	bias	23:57	0			LRS2	cal							Yes
virus0000017_11	bias	23:57	0			VIRUS	cal							Yes
lrs20000022_01	dark	23:58	360			LRS2	cal							Yes
virus0000018_01	dark	23:58	360			VIRUS	cal							Yes

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