HET Night Report Reader

Civil Date	Ephemerides
2026-04-23	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:36	02:24	02:55	10:52	11:23	12:12	-	08:15
Night Length	7:57		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Tyler Ryburn	Aiden Dillard Amy Westfall

Overlaps
TO Overlap	RA Overlap
Cassie Crowe	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:32	20.2	18.7	11:31	twilight	09:59
Total Time Open					9:59

Program	Night Priority	Science
02:55	Science
05:08	Engineering (hpf)
05:53	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
08:39	09:02	0.66	1.12	-250	+1330	15.7	16.7	17.1	289	10	Stack/Re-stack
11:26	11:30	0.48	0.59	-240	+1856	13.9	15.0	15.5	302	16	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6624	04:39-04:46	00:07	HPF ACQ stopped updating images.	Restarted PAS

TO Comments	none

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000026_07	bias	00:00	0			VIRUS	cal							Yes
lrs20000023_08	bias	00:00	0			LRS2	cal							Yes
virus0000026_08	bias	00:00	0			VIRUS	cal							Yes
lrs20000023_09	bias	00:01	0			LRS2	cal							Yes
virus0000026_09	bias	00:01	0			VIRUS	cal							Yes
lrs20000023_10	bias	00:02	0			LRS2	cal							Yes
virus0000026_10	bias	00:02	0			VIRUS	cal							Yes
lrs20000023_11	bias	00:03	0			LRS2	cal							Yes
virus0000026_11	bias	00:03	0			VIRUS	cal							Yes
lrs20000024_01	dark	00:04	360			LRS2	cal							Yes
virus0000027_01	dark	00:04	360			VIRUS	cal							Yes
lrs20000024_02	dark	00:11	360			LRS2	cal							Yes
virus0000027_02	dark	00:11	360			VIRUS	cal							Yes
lrs20000024_03	dark	00:17	360			LRS2	cal							Yes
virus0000027_03	dark	00:18	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:41	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:42	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:43	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:45	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:46	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:47	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:50	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:51	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:53	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:54	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:56	26			VIRUS	cal							Yes
0001	LFC Cal	02:43	106.5			HPF	cal							Yes
virus0000006_01	parallel	02:43	1080			VIRUS	sci							Yes
lrs20000007_01	QID 17	02:43	1080	8.0	PSU26-2-012	LRS2-B	sci	1.28	0.89	20.21	0.68		cloud rolled in	No
0002	LFC Cal	02:45	106.5			HPF	cal							Yes
0003	LFC Cal	02:48	106.5			HPF	cal							Yes
0004	LFC Cal	03:06	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:06	1500			VIRUS	sci							Yes
lrs20000008_01	QID 6	03:06	1500	5.0	PSU26-2-005	LRS2-B	sci	1.42	0.77	19.59	0.92		Sky brightness higher than expected but image quailty and transparency very good. Please review and reject if not acceptable.	Yes
0005	LFC Cal	03:09	106.5			HPF	cal							Yes
0006	LFC Cal	03:11	106.5			HPF	cal							Yes
0007	QID 481	03:40	862.6	9.6	UT26-2-009	HPF	sci	1.32	0.97	20.01	1.06	92	The other member of the AND group was not able to be observed tonight. Will try again tomorrow. Please reject if this observation is not useful.	Yes
virus0000008_01	parallel	03:40	1849			VIRUS	sci							Yes
0008	QID 481	03:55	862.6	0.6	UT26-2-009	HPF	sci	1.32		19.99	1.11	89	The other member of the AND group was not able to be observed tonight. Will try again tomorrow. Please reject if this observation is not useful.	Yes
0009	HR5238_tell_std	04:17	117.2	7.0		HPF	telluric	1.41		20.36	0.96			Yes
0010	QID 157	04:25	266.3	6.6	UT26-2-011	HPF	sci	1.45		19.95	0.97	165		Yes
virus0000009_01	parallel	04:25	308			VIRUS	sci							Yes
virus0000010_01	parallel	04:46	1321			VIRUS	sci							Yes
0011	QID 714	04:47	617.7	16.7	UT26-2-004	HPF	sci	1.77	0.96	20.40		143		P4
0012	QID 714	04:58	617.7	0.7	UT26-2-004	HPF	sci	1.77	0.86	20.31		132		P4
0013	AD_Leo	05:15	159.8	7.3	ENG26-2-000	HPF	eng	1.53	1.04	18.15	0.86	339		Yes
virus0000011_01	parallel	05:15	2497			VIRUS	eng							Yes
0014	AD_Leo	05:18	159.8	0.3	ENG26-2-000	HPF	eng	1.65	1.02	17.86	0.75	308		Yes
0015	AD_Leo	05:22	159.8	0.3	ENG26-2-000	HPF	eng	1.57	1.01	18.68	0.94	416		Yes
0016	AD_Leo	05:25	159.8	0.3	ENG26-2-000	HPF	eng	1.74	1.06	18.31	0.87	331		Yes
0017	AD_Leo	05:28	159.8	1.3	ENG26-2-000	HPF	eng	1.81	1.02	17.43	0.52	129		Yes
0018	AD_Leo	05:31	159.8	0.3	ENG26-2-000	HPF	eng	1.74	0.92	18.34	0.89	333		Yes
0019	AD_Leo	05:34	159.8	0.3	ENG26-2-000	HPF	eng	2.01	0.97	17.54	0.75	160		Yes
0020	AD_Leo	05:38	159.8	0.3	ENG26-2-000	HPF	eng	1.93	1.04	17.33	0.81	346		Yes
0021	AD_Leo	05:41	159.8	0.3	ENG26-2-000	HPF	eng	1.65	1.11	18.63	1.03	383		Yes
0022	AD_Leo	05:44	159.8	1.3	ENG26-2-000	HPF	eng	1.69	1.00	18.57	1.03	360		Yes
0023	AD_Leo	05:47	159.8	0.3	ENG26-2-000	HPF	eng	1.65	1.01	18.50	1.00	344		Yes
0024	AD_Leo	05:50	159.8	0.3	ENG26-2-000	HPF	eng	1.81	1.05	18.59	1.12	313		Yes
0025	LFC Cal	05:54	106.5			HPF	cal							Yes
0026	QID 169	06:00	191.7	6.8	UT26-2-011	HPF	sci	1.70	1.04	19.87	0.88	264		Yes
0027	QID 674	06:11	969.1	8.8	PSU26-2-013	HPF	sci	1.75	1.21	19.24	0.97	199		Yes
virus0000012_01	parallel	06:11	2047			VIRUS	sci							Yes
0028	QID 674	06:28	969.1	0.8	PSU26-2-013	HPF	sci	1.61	1.14	19.36	1.00	242		Yes
0029	LFC Cal	06:46	106.5			HPF	cal							Yes
0030	QID 166	06:51	255.6	6.7	UT26-2-011	HPF	sci	1.63	1.04	19.63	0.96	164		Yes
0031	QID 167	07:03	127.8	6.9	UT26-2-011	HPF	sci	1.72	0.98	19.68	1.06	188		Yes
0032	QID 113	07:12	969.1	6.8	UT26-2-019	HPF	sci	1.81	1.19	20.13	0.70	307		Yes
virus0000013_01	parallel	07:12	1023			VIRUS	sci							Yes
0033	LFC Cal	07:30	106.5			HPF	cal							Yes
virus0000014_01	parallel	07:35	300			VIRUS	spec							Yes
lrs20000009_01	HZ21_056_W	07:35	300	7.0		LRS2	spec	2.06	1.31	20.82	0.95			Yes
virus0000015_01	parallel	07:43	360			VIRUS	spec							Yes
lrs20000010_01	HZ21_066_W	07:44	360	4.0		LRS2	spec	1.92	1.37	20.44	1.00			Yes
virus0000016_01	HZ21_052_W	07:54	60	4.0		VIRUS	spec	2.02	1.10	21.15	1.02			Yes
virus0000016_02	HZ21_052_W	07:56	60	1.0		VIRUS	spec	2.02	1.30	21.16	1.00			Yes
virus0000016_03	HZ21_052_W	07:58	60	1.0		VIRUS	spec	1.97	1.17	21.22	0.99			Yes
0034	QID 804	08:05	969.1	6.8	PSU26-2-015	HPF	sci	1.79	1.31	20.04	0.82	71		Yes
virus0000017_01	parallel	08:05	2047			VIRUS	sci							Yes
0035	QID 804	08:23	969.1	0.8	PSU26-2-015	HPF	sci	1.82	1.22	20.19	0.86	87		Yes
0036	LFC Cal	08:40	106.5			HPF	cal							Yes
0037	LFC Cal	09:23	106.5			HPF	cal							Yes
lrs20000011_01	parallel	09:23	1000			LRS2	sci							Yes
virus0000018_01	QID 836	09:23	1000	9.3	PSU26-2-003	VIRUS	sci	1.85	1.17	21.98	1.16			Yes
0038	LFC Cal	09:26	106.5			HPF	cal							Yes
0039	LFC Cal	09:28	106.5			HPF	cal							Yes
lrs20000011_02	parallel	09:41	1000			LRS2	sci							Yes
virus0000018_02	QID 836	09:41	1000	1.3	PSU26-2-003	VIRUS	sci	1.97	1.25	22.04	1.17			Yes
lrs20000011_03	parallel	09:59	1000			LRS2	sci							Yes
virus0000018_03	QID 836	09:59	1000	1.3	PSU26-2-003	VIRUS	sci	1.99	1.07	21.97	1.14			Yes
0040	LFC Cal	10:21	106.5			HPF	cal							Yes
lrs20000012_01	QID 397	10:21	180	5.0	UT26-2-017	LRS2-B	sci	2.20	1.38	21.86	0.69			Yes
0041	LFC Cal	10:28	106.5			HPF	cal							Yes
virus0000019_01	parallel	10:28	360			VIRUS	sci							Yes
lrs20000013_01	QID 398	10:28	360	4.0	UT26-2-017	LRS2-R	sci	2.07	1.27	20.73	1.06			Yes
0042	LFC Cal	10:30	106.5			HPF	cal							Yes
0043	LFC Cal	10:39	106.5			HPF	cal							Yes
virus0000020_01	parallel	10:39	300			VIRUS	sci							Yes
lrs20000014_01	QID 619	10:39	300	5.0	PSU26-2-001	LRS2-R	sci	2.04	1.10	20.75	1.03			P4
0044	LFC Cal	10:41	106.5			HPF	cal							Yes
virus0000021_01	parallel	10:48	1959			VIRUS	sci							Yes
0045	QID 706	10:49	915.9	4.7	PSU26-2-007	HPF	sci	2.15	1.16	20.35	0.89	78		Yes
0046	QID 706	11:05	915.9	0.7	PSU26-2-007	HPF	sci	2.26	1.35	20.11	0.96	88		Yes
lrs20000015_01	bias	11:23	0			LRS2	cal							Yes
virus0000022_01	bias	11:24	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	11:28	15		ENG26-2-002	VIRUS	cal							Yes
virus0000024_01	Hg	11:30	15		ENG26-2-002	VIRUS	cal							Yes
0047	Dark	11:38	319.5			HPF	cal							Yes
0048	Quartz FCU	11:49	74.5			HPF	cal							Yes
0049	Quartz FCU	11:51	74.5			HPF	cal							Yes
0050	Quartz FCU	11:53	74.5			HPF	cal							Yes
0051	Quartz FCU	11:55	74.5			HPF	cal							Yes
0052	Quartz FCU	11:56	74.5			HPF	cal							Yes
0053	Quartz FCU	11:58	74.5			HPF	cal							Yes
0054	Quartz FCU	12:00	74.5			HPF	cal							Yes
0055	Alpha Bright Cal	12:02	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	12:04	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	12:06	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	12:08	85.2			HPF	cal							Yes
0059	LFC FCU	12:11	106.5			HPF	cal							Yes
0060	LFC FCU	12:13	106.5			HPF	cal							Yes
0061	LFC FCU	12:15	106.5			HPF	cal							Yes
0062	LFC FCU	12:18	106.5			HPF	cal							Yes
0063	LFC FCU	12:20	106.5			HPF	cal							Yes
0064	LFC FCU	12:22	106.5			HPF	cal							Yes
0065	LFC Cal	12:25	106.5			HPF	cal							Yes
0066	LFC Cal	12:28	106.5			HPF	cal							Yes
0067	Etalon Cal	12:35	159.8			HPF	cal							Yes
0068	Etalon Cal	12:39	159.8			HPF	cal							Yes
0069	Etalon Cal	12:42	159.8			HPF	cal							Yes
0070	Etalon Cal	12:45	159.8			HPF	cal							Yes
0071	UNe Slave Cal	12:49	426			HPF	cal							Yes
0072	UNe Slave Cal	12:56	426			HPF	cal							Yes
0073	UNe Slave Cal	13:04	426			HPF	cal							Yes
0074	UNe Slave Cal	13:12	426			HPF	cal							Yes
0075	UNe Slave Cal	13:20	426			HPF	cal							Yes
0076	UNe Slave Cal	13:28	426			HPF	cal							Yes
0101	LFC Cal	21:52	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:05	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:05	20			VIRUS	cal							Yes
virus0009901_01	bias	22:07	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:07	20			LRS2	cal							Yes
virus0009902_01	dark	22:09	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:10	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:11	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:13	15			LRS2	cal							Yes
0102	Dark	22:27	319.5			HPF	cal							Yes
0103	Quartz FCU	22:34	74.5			HPF	cal							Yes
0104	Quartz FCU	22:36	74.5			HPF	cal							Yes
0105	Quartz FCU	22:37	74.5			HPF	cal							Yes
0106	Quartz FCU	22:39	74.5			HPF	cal							Yes
0107	Quartz FCU	22:41	74.5			HPF	cal							Yes
0108	Quartz FCU	22:43	74.5			HPF	cal							Yes
0109	Quartz FCU	22:45	74.5			HPF	cal							Yes
0110	Alpha Bright Cal	22:47	85.2			HPF	cal							Yes
0111	Alpha Bright Cal	22:49	85.2			HPF	cal							Yes
0112	Alpha Bright Cal	22:51	85.2			HPF	cal							Yes
0113	Alpha Bright Cal	22:53	85.2			HPF	cal							Yes
0114	LFC FCU	22:55	106.5			HPF	cal							Yes
0115	LFC FCU	22:58	106.5			HPF	cal							Yes
0116	LFC Cal	23:01	106.5			HPF	cal							Yes
0117	LFC Cal	23:03	106.5			HPF	cal							Yes
0118	Etalon Cal	23:06	159.8			HPF	cal							Yes
0119	UNe Slave Cal	23:09	426			HPF	cal							Yes
lrs20000017_01	flat_Qth_R	23:10	15			LRS2	cal							Yes
lrs20000017_02	flat_Qth_R	23:11	15			LRS2	cal							Yes
lrs20000017_03	flat_Qth_R	23:13	15			LRS2	cal							Yes
lrs20000017_04	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000017_05	flat_Qth_R	23:15	15			LRS2	cal							Yes
lrs20000018_01	flat_ldls_long_B	23:16	20			LRS2	cal							Yes
0120	UNe Slave Cal	23:17	426			HPF	cal							Yes
lrs20000018_02	flat_ldls_long_B	23:18	20			LRS2	cal							Yes
lrs20000018_03	flat_ldls_long_B	23:19	20			LRS2	cal							Yes
lrs20000019_01	Cd-A_B	23:20	29			LRS2	cal							Yes
lrs20000019_02	Cd-A_B	23:22	29			LRS2	cal							Yes
lrs20000019_03	Cd-A_B	23:23	29			LRS2	cal							Yes
0121	UNe Slave Cal	23:25	426			HPF	cal							Yes
lrs20000020_01	FeAr_R	23:25	15			LRS2	cal							Yes
lrs20000020_02	FeAr_R	23:26	15			LRS2	cal							Yes
lrs20000020_03	FeAr_R	23:27	15			LRS2	cal							Yes
lrs20000021_01	Hg_R	23:29	20			LRS2	cal							Yes
lrs20000021_02	Hg_R	23:30	20			LRS2	cal							Yes
lrs20000021_03	Hg_R	23:31	20			LRS2	cal							Yes
0122	UNe Slave Cal	23:32	426			HPF	cal							Yes
lrs20000022_01	Hg_B	23:33	15			LRS2	cal							Yes
lrs20000022_02	Hg_B	23:34	15			LRS2	cal							Yes
lrs20000022_03	Hg_B	23:35	15			LRS2	cal							Yes
0123	UNe Slave Cal	23:40	426			HPF	cal							Yes
virus0000023_01	flat_ldls_long	23:42	15			VIRUS	cal							Yes
virus0000023_02	flat_ldls_long	23:43	15			VIRUS	cal							Yes
virus0000023_03	flat_ldls_long	23:45	15			VIRUS	cal							Yes
virus0000024_01	Cd-A	23:46	15			VIRUS	cal							Yes
virus0000024_02	Cd-A	23:47	15			VIRUS	cal							Yes
0124	UNe Slave Cal	23:48	426			HPF	cal							Yes
virus0000024_03	Cd-A	23:49	15			VIRUS	cal							Yes
virus0000025_01	Hg	23:50	15			VIRUS	cal							Yes
virus0000025_02	Hg	23:52	15			VIRUS	cal							Yes
virus0000025_03	Hg	23:53	15			VIRUS	cal							Yes
lrs20000023_01	bias	23:54	0			LRS2	cal							Yes
virus0000026_01	bias	23:54	0			VIRUS	cal							Yes
lrs20000023_02	bias	23:55	0			LRS2	cal							Yes
virus0000026_02	bias	23:55	0			VIRUS	cal							Yes
lrs20000023_03	bias	23:56	0			LRS2	cal							Yes
virus0000026_03	bias	23:56	0			VIRUS	cal							Yes
lrs20000023_04	bias	23:57	0			LRS2	cal							Yes
virus0000026_04	bias	23:57	0			VIRUS	cal							Yes
lrs20000023_05	bias	23:58	0			LRS2	cal							Yes
virus0000026_05	bias	23:58	0			VIRUS	cal							Yes
lrs20000023_06	bias	23:58	0			LRS2	cal							Yes
virus0000026_06	bias	23:59	0			VIRUS	cal							Yes
lrs20000023_07	bias	23:59	0			LRS2	cal							Yes