HET Night Report Reader

Civil Date	Ephemerides
2026-04-24	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:37	02:25	02:56	10:51	11:22	12:11	-	08:52
Night Length	7:55		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Tyler Ryburn	Aiden Dillard Cassie Crowe

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:31	20.0	18.0	11:32	twilight	10:01
Total Time Open					10:01

Program	Night Priority	Science
02:56	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:05	02:33	0.65	1.11	-260	-591	19.5	18.2	18.1	217	8	First of Night
11:21	11:31	1.30	2.68	80	+237	15.8	15.9	16.6	286	18	Post-Observing

Problem Reports					no PRs

TO Comments	Calm and productive night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000022_11	bias	00:00	0			LRS2	cal							Yes
virus0000028_11	bias	00:00	0			VIRUS	cal							Yes
lrs20000023_01	dark	00:01	360			LRS2	cal							Yes
virus0000029_01	dark	00:01	360			VIRUS	cal							Yes
lrs20000023_02	dark	00:07	360			LRS2	cal							Yes
virus0000029_02	dark	00:08	360			VIRUS	cal							Yes
lrs20000023_03	dark	00:14	360			LRS2	cal							Yes
virus0000029_03	dark	00:15	360			VIRUS	cal							Yes
lrs20006600_01	bias	00:34	0			LRS2	cal							Yes
virus0006600_01	flat_Qth	00:34	20			VIRUS	cal							Yes
virus0006601_01	bias	00:36	0			VIRUS	cal							Yes
lrs20006601_01	flat_ldls_long_B	00:36	20			LRS2	cal							Yes
virus0006602_01	dark	00:38	15			VIRUS	cal							Yes
lrs20006602_01	Cd-A_B	00:39	29			LRS2	cal							Yes
lrs20006603_01	FeAr_R	00:40	15			LRS2	cal							Yes
lrs20006604_01	Hg_B	00:41	15			LRS2	cal							Yes
0001	twilight	01:34	298.2			HPF	cal					533		Yes
lrs20000001_01	skyflat	01:42	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:43	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:44	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:46	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:47	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:48	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:51	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:52	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:54	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:55	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:57	26			VIRUS	cal							Yes
virus0000006_01	parallel	02:39	1023			VIRUS	sci							Yes
0002	QID 93	02:40	969.1	6.8	UT26-2-019	HPF	sci	1.29		19.21	0.94	602		Yes
0003	LFC Cal	02:58	106.5			HPF	cal							Yes
0004	QID 89	03:11	841.4	15.0	UT26-2-019	HPF	sci	1.11		18.97	0.97	658		Yes
virus0000007_01	parallel	03:11	891			VIRUS	sci							Yes
0005	LFC Cal	03:27	106.5			HPF	cal							Yes
virus0000008_01	parallel	03:30	1959			VIRUS	sci							Yes
0006	QID 477	03:31	915.9	5.7	G26-2-002	HPF	sci	1.09		18.63	0.95	55		Yes
0007	QID 477	03:47	915.9	0.7	G26-2-002	HPF	sci	1.06		18.52	0.93	49		Yes
0008	LFC Cal	04:04	106.5			HPF	cal							Yes
virus0000009_01	parallel	04:09	2137			VIRUS	sci							Yes
0009	QID 783	04:10	308.9	7.9	UT26-2-005	HPF	sci	1.18		20.02	0.88	238		Yes
0010	QID 783	04:15	308.9	-0.1	UT26-2-005	HPF	sci	1.22		20.03	0.89	256		Yes
0011	QID 783	04:21	308.9	0.9	UT26-2-005	HPF	sci	1.24		20.06	0.90	263		Yes
0012	QID 783	04:27	308.9	0.9	UT26-2-005	HPF	sci	1.26		20.07	0.90	268		Yes
0013	QID 783	04:33	308.9	0.9	UT26-2-005	HPF	sci	1.34		20.08	0.92	259		Yes
0014	QID 783	04:38	308.9	0.9	UT26-2-005	HPF	sci	1.34		20.11	0.93	249		Yes
lrs20000007_01	BD+262606_056_E	04:49	60	5.0		LRS2	spec	1.46		20.26	0.72			Yes
lrs20000008_01	BD+262606_066_E	04:53	30	3.5		LRS2	spec	1.32		20.00	0.79			Yes
0015	LFC Cal	04:55	106.5			HPF	cal							Yes
virus0000010_01	parallel	04:59	1959			VIRUS	sci							Yes
0016	QID 471	05:00	915.9	5.7	G26-2-002	HPF	sci	1.05		18.55	0.93	115		Yes
0017	QID 471	05:16	915.9	0.7	G26-2-002	HPF	sci	1.25		18.58	0.90	111		Yes
0018	LFC Cal	05:33	106.5			HPF	cal							Yes
0019	QID 156	05:38	468.6	7.2	UT26-2-011	HPF	sci	1.41	0.74	19.42	0.93	169		Yes
virus0000011_01	parallel	05:38	517			VIRUS	sci							Yes
virus0000012_01	P177D_052_E	05:52	60	6.0		VIRUS	spec	1.45	0.66	20.35	0.73			Yes
virus0000012_02	P177D_052_E	05:54	60	1.0		VIRUS	spec	1.57	0.64	20.35	0.73			Yes
virus0000012_03	P177D_052_E	05:57	60	2.0		VIRUS	spec	1.46	0.67	20.36	0.75			Yes
0020	HR5842_tell_std	06:03	117.2	5.0		HPF	telluric	1.24	0.65	20.07	0.91			Yes
0021	QID 674	06:13	969.1	7.8	PSU26-2-013	HPF	sci	1.39	0.62	19.44	1.08	271		Yes
virus0000013_01	parallel	06:13	2047			VIRUS	sci							Yes
0022	QID 674	06:30	969.1	0.8	PSU26-2-013	HPF	sci	1.40	0.75	19.45	1.08	281		Yes
0023	LFC Cal	06:48	106.5			HPF	cal							Yes
lrs20000009_01	QID 411	06:58	180	12.0	UT26-2-017	LRS2-B	sci	1.42	0.75	20.31	1.39			Yes
0024	LFC Cal	06:59	106.5			HPF	cal							Yes
0025	LFC Cal	07:10	106.5			HPF	cal							Yes
virus0000014_01	parallel	07:10	360			VIRUS	sci							Yes
lrs20000010_01	QID 412	07:10	360	9.0	UT26-2-017	LRS2-R	sci	1.58	0.78	20.10			Had trouble finding guide stars for R target so did a direct setup instead. Ran into end of track with 50s remaining in exposure. Please reject SEQ if data not useful.	Yes
0026	LFC Cal	07:12	106.5			HPF	cal							Yes
0027	QID 171	07:21	117.2	5.0	UT26-2-011	HPF	sci	1.37	0.77	19.97	0.98	274		Yes
virus0000015_01	parallel	07:29	1300			VIRUS	sci							Yes
lrs20000011_01	QID 23	07:29	1300	6.3	PSU26-2-009	LRS2-B	sci	1.35	0.71	20.02	1.04			Yes
0028	LFC Cal	07:30	106.5			HPF	cal							Yes
0029	LFC Cal	07:32	106.5			HPF	cal							Yes
0030	LFC Cal	07:34	106.5			HPF	cal							Yes
virus0000016_01	parallel	07:56	2047			VIRUS	sci							Yes
0031	QID 675	07:57	969.1	5.8	UT26-2-007	HPF	sci	1.54	0.89	19.77	0.83	24		Yes
0032	QID 675	08:14	969.1	0.8	UT26-2-007	HPF	sci	1.31	0.79	19.79	0.70	22		Yes
0033	QID 803	08:37	969.1	7.8	PSU26-2-015	HPF	sci	1.31	0.83	19.93	0.81	117		Yes
virus0000017_01	parallel	08:37	2047			VIRUS	sci							Yes
0034	QID 803	08:55	969.1	0.8	PSU26-2-015	HPF	sci	1.31	0.97	20.06	0.93	114		Yes
0035	LFC Cal	09:12	106.5			HPF	cal							Yes
0036	LFC Cal	09:18	106.5			HPF	cal							Yes
virus0000018_01	parallel	09:18	1200			VIRUS	sci							Yes
lrs20000012_01	QID 467	09:18	1200	7.0	UT26-2-008	LRS2-B	sci	1.24	0.67	21.84	0.81			Yes
0037	LFC Cal	09:20	106.5			HPF	cal							Yes
0038	LFC Cal	09:23	106.5			HPF	cal							Yes
0039	LFC Cal	09:43	106.5			HPF	cal							Yes
virus0000019_01	parallel	09:43	4500			VIRUS	sci							Yes
lrs20000013_01	QID 541	09:43	4500	5.0	UT26-2-013	LRS2-B	sci	1.49	0.68	21.57	0.69			Yes
0040	LFC Cal	09:45	106.5			HPF	cal							Yes
0041	LFC Cal	09:48	106.5			HPF	cal							Yes
virus0000020_01	parallel	11:10	600			VIRUS	sci							Yes
0042	LFC Cal	11:11	106.5			HPF	cal							Yes
lrs20000014_01	QID 663	11:11	600	13.0	PSU26-2-004	LRS2-B	sci	1.79	1.00	20.08	0.73			Yes
0043	LFC Cal	11:13	106.5			HPF	cal							Yes
0044	LFC Cal	11:15	106.5			HPF	cal							Yes
lrs20000015_01	bias	11:22	0			LRS2	cal							Yes
virus0000021_01	bias	11:23	0			VIRUS	cal							Yes
virus0000022_01	Cd-A	11:27	15		ENG26-2-002	VIRUS	cal							Yes
virus0000023_01	Hg	11:29	15		ENG26-2-002	VIRUS	cal							Yes
0045	Dark	11:37	319.5			HPF	cal							Yes
0046	Quartz FCU	11:48	74.5			HPF	cal							Yes
0047	Quartz FCU	11:50	74.5			HPF	cal							Yes
0048	Quartz FCU	11:52	74.5			HPF	cal							Yes
0049	Quartz FCU	11:54	74.5			HPF	cal							Yes
0050	Quartz FCU	11:56	74.5			HPF	cal							Yes
0051	Quartz FCU	11:57	74.5			HPF	cal							Yes
0052	Quartz FCU	11:59	74.5			HPF	cal							Yes
0053	Alpha Bright Cal	12:01	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	12:03	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	12:05	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	12:07	85.2			HPF	cal							Yes
0057	LFC FCU	12:10	106.5			HPF	cal							Yes
0058	LFC FCU	12:12	106.5			HPF	cal							Yes
0059	LFC FCU	12:15	106.5			HPF	cal							Yes
0060	LFC FCU	12:17	106.5			HPF	cal							Yes
0061	LFC FCU	12:19	106.5			HPF	cal							Yes
0062	LFC FCU	12:21	106.5			HPF	cal							Yes
0063	LFC Cal	12:25	106.5			HPF	cal							Yes
0064	LFC Cal	12:27	106.5			HPF	cal							Yes
0065	Etalon Cal	12:34	159.8			HPF	cal							Yes
0066	Etalon Cal	12:38	159.8			HPF	cal							Yes
0067	Etalon Cal	12:41	159.8			HPF	cal							Yes
0068	Etalon Cal	12:44	159.8			HPF	cal							Yes
0069	UNe Slave Cal	12:48	426			HPF	cal							Yes
0070	UNe Slave Cal	12:56	426			HPF	cal							Yes
0071	UNe Slave Cal	13:03	426			HPF	cal							Yes
0072	UNe Slave Cal	13:11	426			HPF	cal							Yes
0073	UNe Slave Cal	13:19	426			HPF	cal							Yes
0074	UNe Slave Cal	13:27	426			HPF	cal							Yes
0077	LFC Cal	21:46	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	22:03	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
0078	Dark	22:23	319.5			HPF	cal							Yes
0079	Quartz FCU	22:30	74.5			HPF	cal							Yes
0080	Quartz FCU	22:32	74.5			HPF	cal							Yes
0081	Quartz FCU	22:34	74.5			HPF	cal							Yes
0082	Quartz FCU	22:35	74.5			HPF	cal							Yes
0083	Quartz FCU	22:37	74.5			HPF	cal							Yes
0084	Quartz FCU	22:39	74.5			HPF	cal							Yes
0085	Quartz FCU	22:41	74.5			HPF	cal							Yes
0086	Alpha Bright Cal	22:43	85.2			HPF	cal							Yes
0087	Alpha Bright Cal	22:45	85.2			HPF	cal							Yes
0088	Alpha Bright Cal	22:47	85.2			HPF	cal							Yes
0089	Alpha Bright Cal	22:49	85.2			HPF	cal							Yes
0090	LFC FCU	22:52	106.5			HPF	cal							Yes
0091	LFC FCU	22:54	106.5			HPF	cal							Yes
0092	LFC Cal	22:57	106.5			HPF	cal							Yes
0093	LFC Cal	22:59	106.5			HPF	cal							Yes
0094	Etalon Cal	23:02	159.8			HPF	cal							Yes
0095	UNe Slave Cal	23:05	426			HPF	cal							Yes
lrs20000016_01	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000016_02	flat_Qth_R	23:08	15			LRS2	cal							Yes
lrs20000016_03	flat_Qth_R	23:10	15			LRS2	cal							Yes
lrs20000016_04	flat_Qth_R	23:11	15			LRS2	cal							Yes
lrs20000016_05	flat_Qth_R	23:12	15			LRS2	cal							Yes
0096	UNe Slave Cal	23:13	426			HPF	cal							Yes
lrs20000017_01	flat_ldls_long_B	23:13	20			LRS2	cal							Yes
lrs20000017_02	flat_ldls_long_B	23:15	20			LRS2	cal							Yes
lrs20000017_03	flat_ldls_long_B	23:16	20			LRS2	cal							Yes
lrs20000018_01	Cd-A_B	23:17	29			LRS2	cal							Yes
lrs20000018_02	Cd-A_B	23:19	29			LRS2	cal							Yes
lrs20000018_03	Cd-A_B	23:20	29			LRS2	cal							Yes
0097	UNe Slave Cal	23:21	426			HPF	cal							Yes
lrs20000019_01	FeAr_R	23:22	15			LRS2	cal							Yes
lrs20000019_02	FeAr_R	23:23	15			LRS2	cal							Yes
lrs20000019_03	FeAr_R	23:24	15			LRS2	cal							Yes
lrs20000020_01	Hg_R	23:25	20			LRS2	cal							Yes
lrs20000020_02	Hg_R	23:27	20			LRS2	cal							Yes
lrs20000020_03	Hg_R	23:28	20			LRS2	cal							Yes
0098	UNe Slave Cal	23:29	426			HPF	cal							Yes
lrs20000021_01	Hg_B	23:29	15			LRS2	cal							Yes
lrs20000021_02	Hg_B	23:30	15			LRS2	cal							Yes
lrs20000021_03	Hg_B	23:32	15			LRS2	cal							Yes
0099	UNe Slave Cal	23:36	426			HPF	cal							Yes
virus0000025_01	flat_ldls_long	23:38	15			VIRUS	cal							Yes
virus0000025_02	flat_ldls_long	23:40	15			VIRUS	cal							Yes
virus0000025_03	flat_ldls_long	23:41	15			VIRUS	cal							Yes
virus0000026_01	Cd-A	23:42	15			VIRUS	cal							Yes
0100	UNe Slave Cal	23:44	426			HPF	cal							Yes
virus0000026_02	Cd-A	23:44	15			VIRUS	cal							Yes
virus0000026_03	Cd-A	23:45	15			VIRUS	cal							Yes
virus0000027_01	Hg	23:47	15			VIRUS	cal							Yes
virus0000027_02	Hg	23:48	15			VIRUS	cal							Yes
virus0000027_03	Hg	23:49	15			VIRUS	cal							Yes
lrs20000022_01	bias	23:51	0			LRS2	cal							Yes
virus0000028_01	bias	23:51	0			VIRUS	cal							Yes
lrs20000022_02	bias	23:52	0			LRS2	cal							Yes
virus0000028_02	bias	23:52	0			VIRUS	cal							Yes
lrs20000022_03	bias	23:53	0			LRS2	cal							Yes
virus0000028_03	bias	23:53	0			VIRUS	cal							Yes
lrs20000022_04	bias	23:54	0			LRS2	cal							Yes
lrs20000022_05	bias	23:54	0			LRS2	cal							Yes
virus0000028_04	bias	23:54	0			VIRUS	cal							Yes
lrs20000022_06	bias	23:55	0			LRS2	cal							Yes
virus0000028_05	bias	23:55	0			VIRUS	cal							Yes
virus0000028_06	bias	23:56	0			VIRUS	cal							Yes
lrs20000022_07	bias	23:56	0			LRS2	cal							Yes
virus0000028_07	bias	23:57	0			VIRUS	cal							Yes
lrs20000022_08	bias	23:57	0			LRS2	cal							Yes
virus0000028_08	bias	23:57	0			VIRUS	cal							Yes
lrs20000022_09	bias	23:58	0			LRS2	cal							Yes
virus0000028_09	bias	23:58	0			VIRUS	cal							Yes
lrs20000022_10	bias	23:59	0			LRS2	cal							Yes
virus0000028_10	bias	23:59	0			VIRUS	cal							Yes