HET Night Report Reader

Civil Date	Ephemerides
2025-04-19	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:34	02:21	02:52	10:58	11:28	12:16	07:39	-
Night Length	8:06		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
-	Justen Pautzke

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
05:34	6.5	6.5	06:08	wind	00:34
08:01	5.6	6.9	08:07	wind	00:06
09:07	5.3	6.3	11:28	twilight	02:21
Total Time Open					3:01

Program	Night Priority	Science
02:52	Idle due to weather (high wind and dust)
09:28	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	09:28	0.64	0.99	170	+7157	5.2	6.1	6.3	307	23	First of Night
11:21	11:27	1.08	1.65	165	+7157	3.5	4.7	5.0	294	19	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6470	08:49-09:13	00:24	Shutter gets stuck on the clamps opening step, never opens when commanded	Called: George
6471	05:00-05:00	00:00	Strange TO phone line issues

TO Comments	High winds for most of night, blowing dust for about half of the night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Alpha Bright Cal	00:01	85.2			HPF	cal							Yes
0002	Alpha Bright Cal	00:03	85.2			HPF	cal							Yes
0003	LFC FCU	00:06	106.5			HPF	cal							Yes
0004	LFC FCU	00:08	106.5			HPF	cal							Yes
0005	LFC Cal	00:11	106.5			HPF	cal							Yes
0006	LFC Cal	00:13	106.5			HPF	cal							Yes
0007	Etalon Cal	00:16	159.8			HPF	cal							Yes
0008	UNe Slave Cal	00:19	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:21	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:22	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:24	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:25	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:26	15			LRS2	cal							Yes
0009	UNe Slave Cal	00:27	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:27	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:29	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:30	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:31	38			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:33	38			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:34	38			LRS2	cal							Yes
0010	UNe Slave Cal	00:35	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:36	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:37	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:39	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:40	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:41	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:42	20			LRS2	cal							Yes
0011	UNe Slave Cal	00:43	426			HPF	cal							Yes
lrs20000006_01	Hg_B	00:44	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:45	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:46	15			LRS2	cal							Yes
0012	UNe Slave Cal	00:50	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:53	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:54	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:56	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:57	15			VIRUS	cal							Yes
0013	UNe Slave Cal	00:58	426			HPF	cal							Yes
virus0000002_02	Cd-A	00:58	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	01:00	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:01	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:03	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:04	15			VIRUS	cal							Yes
lrs20000007_01	dark	01:05	360			LRS2	cal							Yes
virus0000004_01	dark	01:05	360			VIRUS	cal							Yes
lrs20000007_02	dark	01:12	360			LRS2	cal							Yes
virus0000004_02	dark	01:12	360			VIRUS	cal							Yes
lrs20000007_03	dark	01:19	360			LRS2	cal							Yes
virus0000004_03	dark	01:19	360			VIRUS	cal							Yes
0014	LFC Cal	02:20	106.5			HPF	cal							Yes
0015	LFC Cal	02:22	106.5			HPF	cal							Yes
0016	LFC Cal	02:24	106.5			HPF	cal							Yes
0017	LFC Cal	05:45	106.5			HPF	cal							Yes
0018	LFC Cal	05:47	106.5			HPF	cal							Yes
0019	LFC Cal	05:49	106.5			HPF	cal							Yes
0020	LFC Cal	07:47	106.5			HPF	cal							Yes
0021	LFC Cal	07:49	106.5			HPF	cal							Yes
0022	LFC Cal	07:52	106.5			HPF	cal							Yes
0023	test_drk_donotuse	09:33	10.7			HPF	cal							Yes
0024	QID 1591	09:34	969.1	6.8	UT25-2-008	HPF	sci	1.43		20.06	0.82	166		P4
virus0000005_01	parallel	09:34	2047			VIRUS	sci							Yes
0025	QID 1591	09:51	969.1	0.8	UT25-2-008	HPF	sci	1.66		20.02	0.80	143		P4
0026	LFC Cal	10:09	106.5			HPF	cal							Yes
0027	test_drk_donotuse	10:13	10.7			HPF	cal							Yes
virus0000006_01	parallel	10:14	2671			VIRUS	sci							Yes
0028	QID 1541	10:15	138.5	6.7	UT25-2-008	HPF	sci	1.85		19.86	0.90	330		Yes
0029	QID 1541	10:17	138.5	0.7	UT25-2-008	HPF	sci	1.84		19.86	0.91	340		Yes
0030	QID 1541	10:20	138.5	0.7	UT25-2-008	HPF	sci	1.84		19.88	0.91	351		Yes
0031	QID 1541	10:23	138.5	-0.3	UT25-2-008	HPF	sci	1.80		19.87	0.92	344		Yes
0032	QID 1541	10:26	138.5	0.7	UT25-2-008	HPF	sci	1.88		19.88	0.92	355		Yes
0033	QID 1541	10:29	138.5	0.7	UT25-2-008	HPF	sci	1.87		19.87	0.92	353		Yes
0034	QID 1541	10:32	138.5	0.7	UT25-2-008	HPF	sci	1.83		19.86	0.92	356		Yes
0035	QID 1541	10:34	138.5	0.7	UT25-2-008	HPF	sci	1.92		19.86	0.90	326		Yes
0036	QID 1541	10:37	138.5	0.7	UT25-2-008	HPF	sci	1.97		19.85	0.90	335		Yes
0037	QID 1541	10:40	138.5	-0.3	UT25-2-008	HPF	sci	1.91		19.84	0.90	350		Yes
0038	QID 1541	10:43	138.5	0.7	UT25-2-008	HPF	sci	2.29		19.83	0.84	241		Yes
0039	QID 1541	10:46	138.5	0.7	UT25-2-008	HPF	sci	2.51		19.82	0.83	247		Yes
0040	QID 1541	10:49	138.5	0.7	UT25-2-008	HPF	sci	2.99		19.78	0.79	235		Yes
0041	QID 1541	10:52	138.5	0.7	UT25-2-008	HPF	sci	2.54		19.79	0.84	262		Yes
0042	QID 1541	10:55	138.5	0.7	UT25-2-008	HPF	sci	3.00		19.76	0.80	226		Yes
0043	LFC Cal	10:58	106.5			HPF	cal							Yes
0044	test_drk_donotuse	11:03	10.7			HPF	cal							Yes
virus0000007_01	parallel	11:04	1060			VIRUS	sci							Yes
0045	QID 2443	11:05	308.9	7.9	UT25-2-013	HPF	sci	1.78		19.85	0.88	70		P4
0046	QID 2443	11:10	308.9	0.9	UT25-2-013	HPF	sci	1.90		19.80	0.87	70		P4
0047	QID 2443	11:16	308.9	-0.1	UT25-2-013	HPF	sci	2.07		19.75	0.87	64		P4
lrs20000008_01	bias	11:23	0			LRS2	cal							Yes
virus0000008_01	bias	11:24	0			VIRUS	cal							Yes
virus0000009_01	Cd-A	11:28	15		ENG25-2-002	VIRUS	cal							Yes
virus0000010_01	Hg	11:29	15		ENG25-2-002	VIRUS	cal							Yes
0048	Dark	11:37	319.5			HPF	cal							Yes
0049	Quartz FCU	11:48	74.5			HPF	cal							Yes
0050	Quartz FCU	11:50	74.5			HPF	cal							Yes
0051	Quartz FCU	11:52	74.5			HPF	cal							Yes
0052	Quartz FCU	11:53	74.5			HPF	cal							Yes
0053	Quartz FCU	11:55	74.5			HPF	cal							Yes
0054	Quartz FCU	11:57	74.5			HPF	cal							Yes
0055	Quartz FCU	11:59	74.5			HPF	cal							Yes
0056	Alpha Bright Cal	12:01	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	12:03	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	12:05	85.2			HPF	cal							Yes
0059	Alpha Bright Cal	12:07	85.2			HPF	cal							Yes
0060	LFC FCU	12:10	106.5			HPF	cal							Yes
0061	LFC FCU	12:12	106.5			HPF	cal							Yes
0062	LFC FCU	12:14	106.5			HPF	cal							Yes
0063	LFC FCU	12:17	106.5			HPF	cal							Yes
0064	LFC FCU	12:19	106.5			HPF	cal							Yes
0065	LFC FCU	12:21	106.5			HPF	cal							Yes
0066	LFC Cal	12:24	106.5			HPF	cal							Yes
0067	LFC Cal	12:26	106.5			HPF	cal							Yes
0068	Etalon Cal	12:34	159.8			HPF	cal							Yes
0069	Etalon Cal	12:37	159.8			HPF	cal							Yes
0070	Etalon Cal	12:41	159.8			HPF	cal							Yes
0071	Etalon Cal	12:44	159.8			HPF	cal							Yes
0072	UNe Slave Cal	12:47	426			HPF	cal							Yes
0073	UNe Slave Cal	12:55	426			HPF	cal							Yes
0074	UNe Slave Cal	13:03	426			HPF	cal							Yes
0075	UNe Slave Cal	13:11	426			HPF	cal							Yes
0076	UNe Slave Cal	13:18	426			HPF	cal							Yes
0077	UNe Slave Cal	13:26	426			HPF	cal							Yes
0056	LFC Cal	23:05	106.5			HPF	cal							Yes
lrs20009900_01	bias	23:28	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	23:28	20			VIRUS	cal							Yes
virus0009901_01	bias	23:30	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:30	20			LRS2	cal							Yes
virus0009902_01	dark	23:32	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:33	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:34	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:36	15			LRS2	cal							Yes
0057	Dark	23:38	319.5			HPF	cal							Yes
0058	Quartz FCU	23:44	74.5			HPF	cal							Yes
0059	Quartz FCU	23:46	74.5			HPF	cal							Yes
0060	Quartz FCU	23:48	74.5			HPF	cal							Yes
0061	Quartz FCU	23:50	74.5			HPF	cal							Yes
0062	Quartz FCU	23:51	74.5			HPF	cal							Yes
0063	Quartz FCU	23:53	74.5			HPF	cal							Yes
0064	Quartz FCU	23:55	74.5			HPF	cal							Yes
0065	Alpha Bright Cal	23:57	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	23:59	85.2			HPF	cal							Yes