HET Night Report Reader

Civil Date	Ephemerides
2026-05-01	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:42	02:30	03:02	10:43	11:14	12:04	02:00	-
Night Length	7:41		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Aiden Dillard Cassie Crowe

Overlaps		none

Other Personnel	George Damm, Herman Kriel

Guests	none

Open/Close Log							Did not open

Program	Night Priority	Science
03:02	Idle due to weather (heavy overcast, fog)

Stack Data													Did not stack

Problem Reports					no PRs

TO Comments	Dome closed all night due to >99% Rh.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000009_02	dark	00:04	360			LRS2	cal							Yes
virus0000010_02	dark	00:05	360			VIRUS	cal							Yes
lrs20000009_03	dark	00:11	360			LRS2	cal							Yes
virus0000010_03	dark	00:12	360			VIRUS	cal							Yes
0001	LFC Cal	02:38	106.5			HPF	cal							Yes
0002	LFC Cal	02:40	106.5			HPF	cal							Yes
0003	LFC Cal	02:42	106.5			HPF	cal							Yes
0004	LFC Cal	02:54	106.5			HPF	cal							Yes
0005	LFC Cal	02:57	106.5			HPF	cal							Yes
0006	LFC Cal	02:59	106.5			HPF	cal							Yes
0007	LFC Cal	03:03	106.5			HPF	cal							Yes
0008	LFC Cal	03:05	106.5			HPF	cal							Yes
0009	LFC Cal	03:08	106.5			HPF	cal							Yes
0010	LFC Cal	05:08	106.5			HPF	cal							Yes
0011	LFC Cal	05:10	106.5			HPF	cal							Yes
0012	LFC Cal	05:13	106.5			HPF	cal							Yes
0013	LFC Cal	06:53	106.5			HPF	cal							Yes
0014	LFC Cal	06:56	106.5			HPF	cal							Yes
0015	LFC Cal	06:58	106.5			HPF	cal							Yes
lrs20000001_01	dark	07:10	1800		ENG26-2-002	LRS2	cal							Yes
lrs20000001_02	dark	07:40	1800		ENG26-2-002	LRS2	cal							Yes
lrs20000001_03	dark	08:11	1800		ENG26-2-002	LRS2	cal							Yes
0016	LFC Cal	08:32	106.5			HPF	cal							Yes
0017	LFC Cal	08:35	106.5			HPF	cal							Yes
0018	LFC Cal	08:37	106.5			HPF	cal							Yes
lrs20000002_01	bias	09:51	0			LRS2	cal							Yes
virus0000001_01	bias	09:52	0			VIRUS	cal							Yes
virus0000002_01	Cd-A	09:57	15		ENG26-2-002	VIRUS	cal							Yes
virus0000003_01	Hg	09:58	15		ENG26-2-002	VIRUS	cal							Yes
0019	Dark	10:07	319.5			HPF	cal							Yes
0020	Quartz FCU	10:14	74.5			HPF	cal							Yes
0021	Quartz FCU	10:16	74.5			HPF	cal							Yes
0022	Quartz FCU	10:17	74.5			HPF	cal							Yes
0023	Quartz FCU	10:19	74.5			HPF	cal							Yes
0024	Quartz FCU	10:21	74.5			HPF	cal							Yes
0025	Quartz FCU	10:23	74.5			HPF	cal							Yes
0026	Quartz FCU	10:25	74.5			HPF	cal							Yes
0027	Alpha Bright Cal	10:27	85.2			HPF	cal							Yes
0028	Alpha Bright Cal	10:29	85.2			HPF	cal							Yes
0029	Alpha Bright Cal	10:31	85.2			HPF	cal							Yes
0030	Alpha Bright Cal	10:33	85.2			HPF	cal							Yes
0031	LFC FCU	10:35	106.5			HPF	cal							Yes
0032	LFC FCU	10:38	106.5			HPF	cal							Yes
0033	LFC Cal	10:41	106.5			HPF	cal							Yes
0034	LFC Cal	10:43	106.5			HPF	cal							Yes
0035	Etalon Cal	10:46	159.8			HPF	cal							Yes
0036	UNe Slave Cal	10:50	426			HPF	cal							Yes
0037	UNe Slave Cal	10:57	426			HPF	cal							Yes
0038	UNe Slave Cal	11:05	426			HPF	cal							Yes
0039	UNe Slave Cal	11:13	426			HPF	cal							Yes
0040	UNe Slave Cal	11:21	426			HPF	cal							Yes
0041	UNe Slave Cal	11:29	426			HPF	cal							Yes
0043	LFC Cal	21:46	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:58	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:59	20			VIRUS	cal							Yes
virus0009901_01	bias	22:00	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:01	20			LRS2	cal							Yes
virus0009902_01	dark	22:02	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:03	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:05	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:06	15			LRS2	cal							Yes
virus0000004_01	dark	22:13	10			VIRUS	cal							Yes
virus0000005_01	bias	22:14	0			VIRUS	cal							Yes
0044	Dark	22:21	319.5			HPF	cal							Yes
0045	Quartz FCU	22:27	74.5			HPF	cal							Yes
0046	Quartz FCU	22:29	74.5			HPF	cal							Yes
0047	Quartz FCU	22:31	74.5			HPF	cal							Yes
0048	Quartz FCU	22:33	74.5			HPF	cal							Yes
0049	Quartz FCU	22:34	74.5			HPF	cal							Yes
0050	Quartz FCU	22:36	74.5			HPF	cal							Yes
0051	Quartz FCU	22:38	74.5			HPF	cal							Yes
0052	Alpha Bright Cal	22:40	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	22:42	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	22:44	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	22:46	85.2			HPF	cal							Yes
0056	LFC FCU	22:49	106.5			HPF	cal							Yes
0057	LFC FCU	22:51	106.5			HPF	cal							Yes
0058	LFC Cal	22:54	106.5			HPF	cal							Yes
0059	LFC Cal	22:56	106.5			HPF	cal							Yes
0060	Etalon Cal	22:59	159.8			HPF	cal							Yes
0061	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000002_01	flat_Qth_R	23:03	15			LRS2	cal							Yes
lrs20000002_02	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000002_03	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000002_04	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000002_05	flat_Qth_R	23:08	15			LRS2	cal							Yes
lrs20000003_01	flat_ldls_long_B	23:09	20			LRS2	cal							Yes
0062	UNe Slave Cal	23:10	426			HPF	cal							Yes
lrs20000003_02	flat_ldls_long_B	23:11	20			LRS2	cal							Yes
lrs20000003_03	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000004_01	Cd-A_B	23:13	29			LRS2	cal							Yes
lrs20000004_02	Cd-A_B	23:15	29			LRS2	cal							Yes
lrs20000004_03	Cd-A_B	23:16	29			LRS2	cal							Yes
0063	UNe Slave Cal	23:18	426			HPF	cal							Yes
lrs20000005_01	FeAr_R	23:18	15			LRS2	cal							Yes
lrs20000005_02	FeAr_R	23:19	15			LRS2	cal							Yes
lrs20000005_03	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000006_01	Hg_R	23:21	20			LRS2	cal							Yes
lrs20000006_02	Hg_R	23:23	20			LRS2	cal							Yes
lrs20000006_03	Hg_R	23:24	20			LRS2	cal							Yes
lrs20000007_01	Hg_B	23:25	15			LRS2	cal							Yes
0064	UNe Slave Cal	23:26	426			HPF	cal							Yes
lrs20000007_02	Hg_B	23:26	15			LRS2	cal							Yes
lrs20000007_03	Hg_B	23:28	15			LRS2	cal							Yes
0065	UNe Slave Cal	23:34	426			HPF	cal							Yes
virus0000006_01	flat_ldls_long	23:35	15			VIRUS	cal							Yes
virus0000006_02	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000006_03	flat_ldls_long	23:38	15			VIRUS	cal							Yes
virus0000007_01	Cd-A	23:39	15			VIRUS	cal							Yes
virus0000007_02	Cd-A	23:41	15			VIRUS	cal							Yes
0066	UNe Slave Cal	23:42	426			HPF	cal							Yes
virus0000007_03	Cd-A	23:42	15			VIRUS	cal							Yes
virus0000008_01	Hg	23:44	15			VIRUS	cal							Yes
virus0000008_02	Hg	23:45	15			VIRUS	cal							Yes
virus0000008_03	Hg	23:47	15			VIRUS	cal							Yes
lrs20000008_01	bias	23:48	0			LRS2	cal							Yes
virus0000009_01	bias	23:48	0			VIRUS	cal							Yes
lrs20000008_02	bias	23:49	0			LRS2	cal							Yes
virus0000009_02	bias	23:49	0			VIRUS	cal							Yes
lrs20000008_03	bias	23:50	0			LRS2	cal							Yes
virus0000009_03	bias	23:50	0			VIRUS	cal							Yes
lrs20000008_04	bias	23:50	0			LRS2	cal							Yes
virus0000009_04	bias	23:51	0			VIRUS	cal							Yes
lrs20000008_05	bias	23:51	0			LRS2	cal							Yes
virus0000009_05	bias	23:52	0			VIRUS	cal							Yes
lrs20000008_06	bias	23:52	0			LRS2	cal							Yes
virus0000009_06	bias	23:53	0			VIRUS	cal							Yes
lrs20000008_07	bias	23:53	0			LRS2	cal							Yes
virus0000009_07	bias	23:53	0			VIRUS	cal							Yes
lrs20000008_08	bias	23:54	0			LRS2	cal							Yes
virus0000009_08	bias	23:54	0			VIRUS	cal							Yes
lrs20000008_09	bias	23:55	0			LRS2	cal							Yes
virus0000009_09	bias	23:55	0			VIRUS	cal							Yes
lrs20000008_10	bias	23:56	0			LRS2	cal							Yes
virus0000009_10	bias	23:56	0			VIRUS	cal							Yes
lrs20000008_11	bias	23:57	0			LRS2	cal							Yes
virus0000009_11	bias	23:57	0			VIRUS	cal							Yes
lrs20000009_01	dark	23:58	360			LRS2	cal							Yes
virus0000010_01	dark	23:58	360			VIRUS	cal							Yes