HET Night Report Reader

Civil Date	Ephemerides
2025-04-18	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:33	02:21	02:51	10:59	11:30	12:17	06:51	-
Night Length	8:08		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Amy Westfall

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
09:02	13.5	13.1	11:40	twilight	02:38
Total Time Open					2:38

Program	Night Priority	Science
02:51	Idle due to weather (high dust, rain)
09:45	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
09:07	09:43	0.39	0.60	180	+4616	13.0	13.1	13.2	238	23	First of Night
11:33	11:38	0.60	0.89	85	+5068	12.5	12.7	12.9	226	18	Post-Observing

Problem Reports					no PRs

TO Comments	Dusty, cloudy, rainy for most of night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000018_03	dark	00:03	360			LRS2	cal							Yes
virus0000017_03	dark	00:03	360			VIRUS	cal							Yes
0001	LFC Cal	01:40	106.5			HPF	cal							Yes
0002	LFC Cal	01:43	106.5			HPF	cal							Yes
0003	LFC Cal	01:45	106.5			HPF	cal							Yes
0004	LFC Cal	05:31	106.5			HPF	cal							Yes
0005	LFC Cal	05:33	106.5			HPF	cal							Yes
0006	LFC Cal	05:36	106.5			HPF	cal							Yes
0007	LFC Cal	07:18	106.5			HPF	cal							Yes
0008	LFC Cal	07:20	106.5			HPF	cal							Yes
0009	LFC Cal	07:23	106.5			HPF	cal							Yes
0010	LFC Cal	08:24	106.5			HPF	cal							Yes
0011	LFC Cal	08:26	106.5			HPF	cal							Yes
0012	LFC Cal	08:29	106.5			HPF	cal							Yes
0013	LFC Cal	09:50	106.5			HPF	cal							Yes
0014	parallel	09:52	617.7	7.7	UT25-2-013	HPF	sci	1.74		19.55	0.75	37		Yes
virus0000001_01	parallel	09:52	1984			VIRUS	sci							Yes
0015	parallel	10:04	617.7	0.7	UT25-2-013	HPF	sci	1.67		19.45	0.73	39		Yes
0016	parallel	10:15	617.7	0.7	UT25-2-013	HPF	sci	1.81		19.59	0.78	37		Yes
0017	LFC Cal	10:27	106.5			HPF	cal							Yes
0018	test_drk_donotuse	10:31	10.7			HPF	cal							Yes
0019	parallel	10:32	117.2	7.0	PSU25-2-005	HPF	sci	1.78		19.99	0.88	426		Yes
virus0000002_01	parallel	10:39	750			VIRUS	sci							Yes
lrs20000001_01	parallel	10:39	750	5.5	UT25-2-005	LRS2-B	sci	1.85		20.44	0.79			Yes
0020	LFC Cal	10:40	106.5			HPF	cal							Yes
0021	LFC Cal	10:42	106.5			HPF	cal							Yes
0022	LFC Cal	10:44	106.5			HPF	cal							Yes
virus0000002_02	parallel	10:53	750			VIRUS	sci							Yes
lrs20000001_02	parallel	10:53	750	1.5	UT25-2-005	LRS2-B	sci	1.71		20.43	0.83			Yes
0023	test_drk_donotuse	11:07	10.7			HPF	cal							Yes
virus0000003_01	parallel	11:13	1023			VIRUS	sci							Yes
0024	parallel	11:14	969.1	7.8	PSU25-2-008	HPF	sci	1.82		18.31	0.77	38		Yes
0025	LFC Cal	11:32	106.5			HPF	cal							Yes
lrs20000002_01	bias	11:34	0			LRS2	cal							Yes
virus0000004_01	bias	11:35	0			VIRUS	cal							Yes
virus0000005_01	Cd-A	11:39	15		ENG25-2-002	VIRUS	cal							Yes
virus0000006_01	Hg	11:41	15		ENG25-2-002	VIRUS	cal							Yes
0026	Dark	11:48	319.5			HPF	cal							Yes
0027	Quartz FCU	12:00	74.5			HPF	cal							Yes
0028	Quartz FCU	12:02	74.5			HPF	cal							Yes
0029	Quartz FCU	12:03	74.5			HPF	cal							Yes
0030	Quartz FCU	12:05	74.5			HPF	cal							Yes
0031	Quartz FCU	12:07	74.5			HPF	cal							Yes
0032	Quartz FCU	12:09	74.5			HPF	cal							Yes
0033	Quartz FCU	12:11	74.5			HPF	cal							Yes
0034	Alpha Bright Cal	12:13	85.2			HPF	cal							Yes
0035	Alpha Bright Cal	12:15	85.2			HPF	cal							Yes
0036	Alpha Bright Cal	12:17	85.2			HPF	cal							Yes
0037	Alpha Bright Cal	12:19	85.2			HPF	cal							Yes
0038	LFC FCU	12:21	106.5			HPF	cal							Yes
0039	LFC FCU	12:24	106.5			HPF	cal							Yes
0040	LFC FCU	12:26	106.5			HPF	cal							Yes
0041	LFC FCU	12:28	106.5			HPF	cal							Yes
0042	LFC FCU	12:31	106.5			HPF	cal							Yes
0043	LFC FCU	12:33	106.5			HPF	cal							Yes
0044	LFC Cal	12:36	106.5			HPF	cal							Yes
0045	LFC Cal	12:38	106.5			HPF	cal							Yes
0046	Etalon Cal	12:46	159.8			HPF	cal							Yes
0047	Etalon Cal	12:49	159.8			HPF	cal							Yes
0048	Etalon Cal	12:52	159.8			HPF	cal							Yes
0049	Etalon Cal	12:55	159.8			HPF	cal							Yes
0050	UNe Slave Cal	12:59	426			HPF	cal							Yes
0051	UNe Slave Cal	13:07	426			HPF	cal							Yes
0052	UNe Slave Cal	13:15	426			HPF	cal							Yes
0053	UNe Slave Cal	13:22	426			HPF	cal							Yes
0054	UNe Slave Cal	13:30	426			HPF	cal							Yes
0055	UNe Slave Cal	13:38	426			HPF	cal							Yes
0053	LFC Cal	21:37	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:59	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:59	20			VIRUS	cal							Yes
virus0009901_01	bias	22:01	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:01	20			LRS2	cal							Yes
virus0009902_01	dark	22:03	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:04	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:06	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:07	15			LRS2	cal							Yes
0054	Dark	22:11	319.5			HPF	cal							Yes
0055	Quartz FCU	22:18	74.5			HPF	cal							Yes
0056	Quartz FCU	22:19	74.5			HPF	cal							Yes
0057	Quartz FCU	22:21	74.5			HPF	cal							Yes
0058	Quartz FCU	22:23	74.5			HPF	cal							Yes
0059	Quartz FCU	22:25	74.5			HPF	cal							Yes
0060	Quartz FCU	22:27	74.5			HPF	cal							Yes
0061	Quartz FCU	22:28	74.5			HPF	cal							Yes
0062	Alpha Bright Cal	22:31	85.2			HPF	cal							Yes
0063	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	22:34	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	22:36	85.2			HPF	cal							Yes
0066	LFC FCU	22:39	106.5			HPF	cal							Yes
0067	LFC FCU	22:41	106.5			HPF	cal							Yes
0068	LFC Cal	22:44	106.5			HPF	cal							Yes
0069	LFC Cal	22:46	106.5			HPF	cal							Yes
0070	Etalon Cal	22:49	159.8			HPF	cal							Yes
0071	UNe Slave Cal	22:53	426			HPF	cal							Yes
lrs20000011_01	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000011_02	flat_Qth_R	22:56	15			LRS2	cal							Yes
lrs20000011_03	flat_Qth_R	22:58	15			LRS2	cal							Yes
lrs20000011_04	flat_Qth_R	22:59	15			LRS2	cal							Yes
lrs20000011_05	flat_Qth_R	23:00	15			LRS2	cal							Yes
0072	UNe Slave Cal	23:01	426			HPF	cal							Yes
lrs20000012_01	flat_ldls_long_B	23:01	20			LRS2	cal							Yes
lrs20000012_02	flat_ldls_long_B	23:03	20			LRS2	cal							Yes
lrs20000012_03	flat_ldls_long_B	23:04	20			LRS2	cal							Yes
lrs20000013_01	Cd-A_B	23:05	38			LRS2	cal							Yes
lrs20000013_02	Cd-A_B	23:07	38			LRS2	cal							Yes
0073	UNe Slave Cal	23:08	426			HPF	cal							Yes
lrs20000013_03	Cd-A_B	23:09	38			LRS2	cal							Yes
lrs20000014_01	FeAr_R	23:10	15			LRS2	cal							Yes
lrs20000014_02	FeAr_R	23:12	15			LRS2	cal							Yes
lrs20000014_03	FeAr_R	23:13	15			LRS2	cal							Yes
lrs20000015_01	Hg_R	23:14	20			LRS2	cal							Yes
lrs20000015_02	Hg_R	23:15	20			LRS2	cal							Yes
0074	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000015_03	Hg_R	23:17	20			LRS2	cal							Yes
lrs20000016_01	Hg_B	23:18	15			LRS2	cal							Yes
lrs20000016_02	Hg_B	23:19	15			LRS2	cal							Yes
lrs20000016_03	Hg_B	23:20	15			LRS2	cal							Yes
0075	UNe Slave Cal	23:24	426			HPF	cal							Yes
virus0000013_01	flat_ldls_long	23:27	15			VIRUS	cal							Yes
virus0000013_02	flat_ldls_long	23:28	15			VIRUS	cal							Yes
virus0000013_03	flat_ldls_long	23:30	15			VIRUS	cal							Yes
virus0000014_01	Cd-A	23:31	15			VIRUS	cal							Yes
0076	UNe Slave Cal	23:32	426			HPF	cal							Yes
virus0000014_02	Cd-A	23:32	15			VIRUS	cal							Yes
virus0000014_03	Cd-A	23:34	15			VIRUS	cal							Yes
virus0000015_01	Hg	23:35	15			VIRUS	cal							Yes
virus0000015_02	Hg	23:37	15			VIRUS	cal							Yes
virus0000015_03	Hg	23:38	15			VIRUS	cal							Yes
lrs20000017_01	bias	23:39	0			LRS2	cal							Yes
virus0000016_01	bias	23:39	0			VIRUS	cal							Yes
lrs20000017_02	bias	23:40	0			LRS2	cal							Yes
virus0000016_02	bias	23:40	0			VIRUS	cal							Yes
lrs20000017_03	bias	23:41	0			LRS2	cal							Yes
virus0000016_03	bias	23:41	0			VIRUS	cal							Yes
lrs20000017_04	bias	23:42	0			LRS2	cal							Yes
virus0000016_04	bias	23:42	0			VIRUS	cal							Yes
lrs20000017_05	bias	23:43	0			LRS2	cal							Yes
virus0000016_05	bias	23:43	0			VIRUS	cal							Yes
lrs20000017_06	bias	23:44	0			LRS2	cal							Yes
virus0000016_06	bias	23:44	0			VIRUS	cal							Yes
lrs20000017_07	bias	23:44	0			LRS2	cal							Yes
virus0000016_07	bias	23:45	0			VIRUS	cal							Yes
lrs20000017_08	bias	23:45	0			LRS2	cal							Yes
virus0000016_08	bias	23:46	0			VIRUS	cal							Yes
lrs20000017_09	bias	23:46	0			LRS2	cal							Yes
virus0000016_09	bias	23:46	0			VIRUS	cal							Yes
lrs20000017_10	bias	23:47	0			LRS2	cal							Yes
virus0000016_10	bias	23:47	0			VIRUS	cal							Yes
lrs20000017_11	bias	23:48	0			LRS2	cal							Yes
virus0000016_11	bias	23:48	0			VIRUS	cal							Yes
lrs20000018_01	dark	23:49	360			LRS2	cal							Yes
virus0000017_01	dark	23:49	360			VIRUS	cal							Yes
lrs20000018_02	dark	23:56	360			LRS2	cal							Yes
virus0000017_02	dark	23:56	360			VIRUS	cal							Yes