HET Night Report Reader

Civil Date	Ephemerides
2026-05-04	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:44	02:33	03:05	10:39	11:11	12:01	04:50	-
Night Length	7:34		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Justen Pautzke	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:33	19.8	16.6	03:19	clouds	01:46
06:21	19.0	18.4	11:04	twilight	04:43
Total Time Open					6:29

Program	Night Priority	Science
03:05	Idle due to weather (clouds)
06:16	Science
06:28	Idle due to weather (clouds)
07:20	Science
08:35	Idle due to weather (clouds)
09:20	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:10	03:05	0.56	0.88	-13	512	19.4	19.4	18.9	260	9	First of Night
↪ Comments			Used 1/125s for HEFI exposure.
10:53	11:03	1.02	1.55	167	1640	15.5	16.0	16.5	286	15	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Mostly cloudy, no major problems.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000017_02	dark	00:03	360			LRS2	cal							Yes
virus0000013_02	dark	00:04	360			VIRUS	cal							Yes
lrs20000017_03	dark	00:10	360			LRS2	cal							Yes
virus0000013_03	dark	00:11	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:49	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:50	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:51	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:52	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:54	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:55	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:58	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:00	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:01	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:02	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:04	26			VIRUS	cal							Yes
0001	HR6036_tell_std	06:23	330.2	6.5		HPF	telluric	2.01		18.66	0.50			Yes
virus0000006_01	parallel	06:36	2047			VIRUS	sci							Yes
0002	QID 799	06:37	969.1	8.8	PSU26-2-015	HPF	sci	1.46		18.40	0.59	103		No
0003	QID 799	06:54	969.1	0.8	PSU26-2-015	HPF	sci	1.55		17.80	0.14	42		No
0004	LFC Cal	07:12	106.5			HPF	cal							Yes
virus0000007_01	parallel	07:20	2047			VIRUS	sci							Yes
0005	QID 799	07:21	969.1	0.8	PSU26-2-015	HPF	sci	1.61		19.03	0.74	134		Yes
0006	QID 799	07:38	969.1	0.8	PSU26-2-015	HPF	sci	1.63		19.55	0.92	146		Yes
0007	LFC Cal	07:56	106.5			HPF	cal							Yes
0008	LFC Cal	08:00	106.5			HPF	cal							Yes
0009	QID 472	08:04	915.9	9.7	G26-2-002	HPF	sci	1.45		19.60	0.84	117		Yes
virus0000008_01	parallel	08:04	1959			VIRUS	sci							Yes
0010	QID 472	08:20	915.9	0.7	G26-2-002	HPF	sci	1.56		19.46	0.80	118		Yes
0011	LFC Cal	08:37	106.5			HPF	cal							Yes
virus0000009_01	parallel	08:47	1959			VIRUS	sci							Yes
0012	QID 859	08:48	926.6	12.6	UT26-2-009	HPF	sci	1.72		16.98	0.51	69	clouds rolled in and increased brightness beyond limit	No
0013	QID 859	09:04	926.6	1.6	UT26-2-009	HPF	sci	1.58		17.29	0.86	70		No
0014	LFC Cal	09:26	106.5			HPF	cal							Yes
virus0000010_01	parallel	09:26	300			VIRUS	sci							Yes
lrs20000007_01	QID 765	09:26	300	6.0	PSU26-2-004	LRS2-B	sci	2.01		19.41	0.68			Yes
0015	LFC Cal	09:29	106.5			HPF	cal							Yes
0016	LFC Cal	09:38	106.5			HPF	cal							Yes
lrs20000008_01	QID 427	09:38	180	7.0	UT26-2-017	LRS2-B	sci	2.12		19.32	0.86			Yes
0017	LFC Cal	09:45	106.5			HPF	cal							Yes
virus0000011_01	parallel	09:45	360			VIRUS	sci							Yes
lrs20000009_01	QID 428	09:45	360	4.0	UT26-2-017	LRS2-R	sci	2.02		18.68	0.80			Yes
0018	LFC Cal	09:47	106.5			HPF	cal							Yes
0019	LFC Cal	09:56	106.5			HPF	cal							Yes
virus0000012_01	parallel	09:56	300			VIRUS	sci							Yes
lrs20000010_01	QID 401	09:56	300	5.0	UT26-2-017	LRS2-B	sci	1.69		19.68	0.56			Yes
0020	LFC Cal	09:58	106.5			HPF	cal							Yes
0021	LFC Cal	10:04	106.5			HPF	cal							Yes
virus0000013_01	parallel	10:04	600			VIRUS	sci							Yes
lrs20000011_01	QID 402	10:04	600	3.0	UT26-2-017	LRS2-R	sci	1.91		19.46	0.74			Yes
0022	LFC Cal	10:06	106.5			HPF	cal							Yes
0023	LFC Cal	10:09	106.5			HPF	cal							Yes
0024	QID 686	10:20	969.1	5.8	UT26-2-007	HPF	sci	1.73		19.28	0.96	33		Yes
virus0000014_01	parallel	10:20	2047			VIRUS	sci							Yes
0025	QID 686	10:37	969.1	0.8	UT26-2-007	HPF	sci	2.04	1.34	18.61	0.65	31		Yes
lrs20000012_01	bias	10:58	0			LRS2	cal							Yes
virus0000015_01	bias	10:58	0			VIRUS	cal							Yes
virus0000016_01	Cd-A	11:03	15		ENG26-2-002	VIRUS	cal							Yes
virus0000017_01	Hg	11:04	15		ENG26-2-002	VIRUS	cal							Yes
0026	Dark	11:12	319.5			HPF	cal							Yes
0027	Dark	11:19	319.5			HPF	cal							Yes
0028	Quartz FCU	11:30	74.5			HPF	cal							Yes
0029	Quartz FCU	11:32	74.5			HPF	cal							Yes
0030	Quartz FCU	11:34	74.5			HPF	cal							Yes
0031	Quartz FCU	11:36	74.5			HPF	cal							Yes
0032	Quartz FCU	11:38	74.5			HPF	cal							Yes
0033	Quartz FCU	11:39	74.5			HPF	cal							Yes
0034	Quartz FCU	11:41	74.5			HPF	cal							Yes
0035	Alpha Bright Cal	11:43	85.2			HPF	cal							Yes
0036	Alpha Bright Cal	11:45	85.2			HPF	cal							Yes
0037	Alpha Bright Cal	11:47	85.2			HPF	cal							Yes
0038	Alpha Bright Cal	11:49	85.2			HPF	cal							Yes
0039	LFC FCU	11:52	106.5			HPF	cal							Yes
0040	LFC FCU	11:54	106.5			HPF	cal							Yes
0041	LFC FCU	11:57	106.5			HPF	cal							Yes
0042	LFC FCU	11:59	106.5			HPF	cal							Yes
0043	LFC FCU	12:01	106.5			HPF	cal							Yes
0044	LFC FCU	12:04	106.5			HPF	cal							Yes
0045	LFC Cal	12:07	106.5			HPF	cal							Yes
0046	LFC Cal	12:09	106.5			HPF	cal							Yes
0047	Etalon Cal	12:17	159.8			HPF	cal							Yes
0048	Etalon Cal	12:20	159.8			HPF	cal							Yes
0049	Etalon Cal	12:23	159.8			HPF	cal							Yes
0050	Etalon Cal	12:26	159.8			HPF	cal							Yes
0051	UNe Slave Cal	12:30	426			HPF	cal							Yes
0052	UNe Slave Cal	12:38	426			HPF	cal							Yes
0053	UNe Slave Cal	12:45	426			HPF	cal							Yes
0054	UNe Slave Cal	12:53	426			HPF	cal							Yes
0055	UNe Slave Cal	13:01	426			HPF	cal							Yes
0056	UNe Slave Cal	13:09	426			HPF	cal							Yes
0066	LFC Cal	21:50	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:00	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:00	20			VIRUS	cal							Yes
virus0009901_01	bias	22:02	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:02	20			LRS2	cal							Yes
virus0009902_01	dark	22:04	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:05	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:06	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:08	15			LRS2	cal							Yes
0067	Dark	22:20	319.5			HPF	cal							Yes
0068	Quartz FCU	22:26	74.5			HPF	cal							Yes
0069	Quartz FCU	22:28	74.5			HPF	cal							Yes
0070	Quartz FCU	22:30	74.5			HPF	cal							Yes
0071	Quartz FCU	22:31	74.5			HPF	cal							Yes
0072	Quartz FCU	22:33	74.5			HPF	cal							Yes
0073	Quartz FCU	22:35	74.5			HPF	cal							Yes
0074	Quartz FCU	22:37	74.5			HPF	cal							Yes
0075	Alpha Bright Cal	22:39	85.2			HPF	cal							Yes
0076	Alpha Bright Cal	22:41	85.2			HPF	cal							Yes
0077	Alpha Bright Cal	22:43	85.2			HPF	cal							Yes
0078	Alpha Bright Cal	22:45	85.2			HPF	cal							Yes
0079	LFC FCU	22:48	106.5			HPF	cal							Yes
0080	LFC FCU	22:50	106.5			HPF	cal							Yes
0081	LFC Cal	22:53	106.5			HPF	cal							Yes
0082	LFC Cal	22:55	106.5			HPF	cal							Yes
0083	Etalon Cal	22:58	159.8			HPF	cal							Yes
0084	UNe Slave Cal	23:01	426			HPF	cal							Yes
lrs20000010_01	flat_Qth_R	23:03	15			LRS2	cal							Yes
lrs20000010_02	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000010_03	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000010_04	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000010_05	flat_Qth_R	23:08	15			LRS2	cal							Yes
0085	UNe Slave Cal	23:09	426			HPF	cal							Yes
lrs20000011_01	flat_ldls_long_B	23:09	20			LRS2	cal							Yes
lrs20000011_02	flat_ldls_long_B	23:11	20			LRS2	cal							Yes
lrs20000011_03	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000012_01	Cd-A_B	23:13	29			LRS2	cal							Yes
lrs20000012_02	Cd-A_B	23:15	29			LRS2	cal							Yes
lrs20000012_03	Cd-A_B	23:16	29			LRS2	cal							Yes
0086	UNe Slave Cal	23:17	426			HPF	cal							Yes
lrs20000013_01	FeAr_R	23:18	15			LRS2	cal							Yes
lrs20000013_02	FeAr_R	23:19	15			LRS2	cal							Yes
lrs20000013_03	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000014_01	Hg_R	23:22	20			LRS2	cal							Yes
lrs20000014_02	Hg_R	23:23	20			LRS2	cal							Yes
lrs20000014_03	Hg_R	23:24	20			LRS2	cal							Yes
0087	UNe Slave Cal	23:25	426			HPF	cal							Yes
lrs20000015_01	Hg_B	23:26	15			LRS2	cal							Yes
lrs20000015_02	Hg_B	23:27	15			LRS2	cal							Yes
lrs20000015_03	Hg_B	23:28	15			LRS2	cal							Yes
0088	UNe Slave Cal	23:33	426			HPF	cal							Yes
virus0000009_01	flat_ldls_long	23:35	15			VIRUS	cal							Yes
virus0000009_02	flat_ldls_long	23:36	15			VIRUS	cal							Yes
virus0000009_03	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000010_01	Cd-A	23:39	15			VIRUS	cal							Yes
0089	UNe Slave Cal	23:40	426			HPF	cal							Yes
virus0000010_02	Cd-A	23:40	15			VIRUS	cal							Yes
virus0000010_03	Cd-A	23:42	15			VIRUS	cal							Yes
virus0000011_01	Hg	23:43	15			VIRUS	cal							Yes
virus0000011_02	Hg	23:44	15			VIRUS	cal							Yes
virus0000011_03	Hg	23:46	15			VIRUS	cal							Yes
lrs20000016_01	bias	23:47	0			LRS2	cal							Yes
virus0000012_01	bias	23:47	0			VIRUS	cal							Yes
lrs20000016_02	bias	23:48	0			LRS2	cal							Yes
virus0000012_02	bias	23:48	0			VIRUS	cal							Yes
lrs20000016_03	bias	23:49	0			LRS2	cal							Yes
virus0000012_03	bias	23:49	0			VIRUS	cal							Yes
lrs20000016_04	bias	23:50	0			LRS2	cal							Yes
virus0000012_04	bias	23:50	0			VIRUS	cal							Yes
lrs20000016_05	bias	23:51	0			LRS2	cal							Yes
virus0000012_05	bias	23:51	0			VIRUS	cal							Yes
lrs20000016_06	bias	23:51	0			LRS2	cal							Yes
virus0000012_06	bias	23:52	0			VIRUS	cal							Yes
lrs20000016_07	bias	23:52	0			LRS2	cal							Yes
virus0000012_07	bias	23:53	0			VIRUS	cal							Yes
lrs20000016_08	bias	23:53	0			LRS2	cal							Yes
virus0000012_08	bias	23:53	0			VIRUS	cal							Yes
lrs20000016_09	bias	23:54	0			LRS2	cal							Yes
virus0000012_09	bias	23:54	0			VIRUS	cal							Yes
lrs20000016_10	bias	23:55	0			LRS2	cal							Yes
virus0000012_10	bias	23:55	0			VIRUS	cal							Yes
lrs20000016_11	bias	23:56	0			LRS2	cal							Yes
virus0000012_11	bias	23:56	0			VIRUS	cal							Yes
lrs20000017_01	dark	23:57	360			LRS2	cal							Yes
virus0000013_01	dark	23:57	360			VIRUS	cal							Yes

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