Night in detail

Fri 26 Dec 2025 → Sat 27 Dec

Integration: 6.4 h
Frames: 115 frames
Targets: 2
Dark sky: 11.0 h
Moon: 46 % · Waxing crescent
Roof open: 8.8 h · 73 % imaged

Thu 25 Dec Sat 27 Dec

Sky

Moon 46%

Roof

Christmas Tree Cluster

Horsehead Nebula

HFR

Conditions

Cloud%

100

Temp°C

Dew°C

Humidity%

Windm/s

PressurehPa

960

959

960

959

HaOIIISIIRedBlueGreenLroof opengoodmarginalpoor

Sunset 17:42Dark 19:09 → 06:09Moonset 00:30Sunrise 07:36

Sessions

2 targets

Christmas Tree Cluster · Christmas Tree Cluster22:31 → 06:083.4 h · 68 frames

Position: 06:40:51 09° 42' 56"
Filters: Ha 15×300s · OIII 12×300s · SII 11×300s · Red 10×30s · Blue 10×30s · Green 10×30s
HFR: 1.71 mean · 1.61–2.03
Stars: 238 mean

Integration by filter
Filter	Frames	Exposure	Integration
Ha	15	300 s	1.3 h
OIII	12	300 s	1.0 h
SII	11	300 s	55 min
Red	10	30 s	5 min
Blue	10	30 s	5 min
Green	10	30 s	5 min

Frames
Time	Filter	Exp	HFR	Stars	Sensor
22:31	Blue	30 s	1.83	283	-9 °C
22:32	Blue	30 s	1.84	291	-10 °C
22:33	Blue	30 s	1.83	288	-10 °C
22:34	Blue	30 s	1.81	281	-10 °C
22:35	Blue	30 s	1.83	288	-10 °C
22:36	Green	30 s	1.66	288	-10 °C
22:37	Green	30 s	1.67	284	-10 °C
22:39	Green	30 s	1.68	331	-10 °C
22:40	Green	30 s	1.67	292	-10 °C
22:41	Green	30 s	1.66	272	-10 °C
22:42	Red	30 s	1.62	283	-10 °C
22:43	Red	30 s	1.64	282	-10 °C
22:44	Red	30 s	1.65	309	-10 °C
22:45	Red	30 s	1.65	293	-10 °C
22:46	Red	30 s	1.67	312	-10 °C
22:52	Ha	300 s	1.63	94	-10 °C
22:57	Ha	300 s	1.61	92	-10 °C
23:03	Ha	300 s	1.64	86	-10 °C
23:08	Ha	300 s	1.63	88	-10 °C
23:14	Ha	300 s	1.62	77	-10 °C
23:19	SII	300 s	1.64	222	-10 °C
23:25	SII	300 s	1.64	190	-10 °C
23:31	SII	300 s	1.67	184	-10 °C
23:37	SII	300 s	1.63	196	-10 °C
23:42	SII	300 s	1.67	200	-10 °C
23:48	OIII	300 s	1.62	161	-10 °C
23:53	OIII	300 s	1.69	207	-10 °C
23:59	OIII	300 s	1.66	176	-10 °C
00:05	OIII	300 s	1.64	185	-10 °C
00:10	OIII	300 s	1.65	194	-10 °C
00:11	Blue	30 s	1.79	335	-10 °C
00:12	Blue	30 s	1.80	343	-10 °C
00:13	Blue	30 s	1.78	356	-10 °C
00:15	Blue	30 s	1.79	338	-10 °C
00:16	Blue	30 s	1.80	346	-10 °C
00:17	Green	30 s	1.72	379	-10 °C
00:18	Green	30 s	1.71	374	-10 °C
00:19	Green	30 s	1.71	369	-10 °C
00:20	Green	30 s	1.72	390	-9 °C
00:22	Green	30 s	1.73	382	-10 °C
00:22	Red	30 s	1.72	381	-9 °C
00:24	Red	30 s	1.74	385	-10 °C
00:27	Red	30 s	1.64	267	-9 °C
00:28	Red	30 s	1.62	246	-10 °C
00:29	Red	30 s	1.63	236	-10 °C
00:34	Ha	300 s	1.62	78	-10 °C
00:39	Ha	300 s	1.61	76	-10 °C
00:45	Ha	300 s	1.63	83	-10 °C
04:20	SII	300 s	1.74	309	-10 °C
04:25	SII	300 s	1.72	281	-10 °C
04:31	SII	300 s	1.72	282	-10 °C
04:37	SII	300 s	1.70	261	-10 °C
04:42	OIII	300 s	1.68	210	-10 °C
04:48	OIII	300 s	1.65	158	-10 °C
04:53	OIII	300 s	1.69	213	-10 °C
04:59	OIII	300 s	1.72	216	-10 °C
05:05	OIII	300 s	1.76	228	-10 °C
05:10	Ha	300 s	1.64	89	-10 °C
05:15	Ha	300 s	1.61	84	-10 °C
05:21	Ha	300 s	1.67	98	-10 °C
05:27	Ha	300 s	1.72	104	-10 °C
05:34	Ha	300 s	1.79	140	-10 °C
05:40	SII	300 s	1.81	319	-10 °C
05:45	SII	300 s	1.81	299	-10 °C
05:51	OIII	300 s	1.97	245	-10 °C
05:57	OIII	300 s	2.03	247	-10 °C
06:02	Ha	300 s	1.96	140	-10 °C
06:08	Ha	300 s	1.84	137	-10 °C

Horsehead Nebula · Horsehead Nebula00:53 → 04:103.0 h · 47 frames

Position: 05:41:37 -02° 20' 03"
Filters: Red 15×120s · L 12×180s · Blue 10×120s · Green 10×120s
HFR: 1.74 mean · 1.56–1.97
Stars: 57 mean

Integration by filter
Filter	Frames	Exposure	Integration
Red	15	120 s	1.0 h
L	12	180 s	48 min
Blue	10	120 s	35 min
Green	10	120 s	35 min

Frames
Time	Filter	Exp	HFR	Stars	Sensor
00:53	L	180 s	1.60	27	-10 °C
00:59	L	300 s	1.58	13	-10 °C
01:04	L	300 s	1.58	15	-10 °C
01:09	Red	300 s	1.59	38	-10 °C
01:14	Red	300 s	1.57	29	-10 °C
01:20	Red	300 s	1.58	24	-10 °C
01:25	Red	300 s	1.56	20	-10 °C
01:30	Red	300 s	1.56	21	-10 °C
01:35	Green	300 s	1.57	27	-10 °C
01:41	L	300 s	1.57	18	-10 °C
01:46	L	300 s	1.58	17	-10 °C
01:51	L	300 s	1.59	20	-10 °C
01:56	L	300 s	1.65	24	-10 °C
02:02	Red	300 s	1.63	44	-10 °C
02:07	Red	300 s	1.63	53	-10 °C
02:12	Red	300 s	1.59	44	-10 °C
02:18	Red	300 s	1.62	49	-10 °C
02:23	Red	300 s	1.63	49	-10 °C
02:28	Green	300 s	1.71	71	-10 °C
02:34	Green	300 s	1.70	67	-10 °C
02:41	Green	300 s	1.63	59	-10 °C
02:47	Green	300 s	1.65	59	-10 °C
02:52	Blue	300 s	1.70	52	-10 °C
02:57	Blue	300 s	1.73	57	-10 °C
03:02	Blue	300 s	1.81	62	-10 °C
03:10	Blue	300 s	1.83	64	-10 °C
03:15	Blue	300 s	1.81	64	-10 °C
03:19	L	180 s	1.80	57	-10 °C
03:22	L	180 s	1.76	52	-10 °C
03:26	L	180 s	1.81	58	-10 °C
03:29	L	180 s	1.81	62	-10 °C
03:33	L	180 s	1.86	64	-10 °C
03:35	Red	120 s	1.83	81	-10 °C
03:37	Red	120 s	1.78	80	-10 °C
03:39	Red	120 s	1.87	87	-10 °C
03:42	Red	120 s	1.90	90	-10 °C
03:46	Red	120 s	1.86	85	-10 °C
03:49	Green	120 s	1.88	97	-10 °C
03:51	Green	120 s	1.93	97	-10 °C
03:53	Green	120 s	1.89	100	-10 °C
03:55	Green	120 s	1.85	94	-10 °C
03:58	Green	120 s	1.88	96	-10 °C
04:00	Blue	120 s	1.97	77	-10 °C
04:02	Blue	120 s	1.88	78	-10 °C
04:04	Blue	120 s	1.93	78	-10 °C
04:07	Blue	120 s	1.92	82	-10 °C
04:10	Blue	120 s	1.89	77	-10 °C

Integration by filter

Filter

Frames

Exposure

Integration

300 s

1.3 h

OIII

300 s

1.0 h

SII

300 s

55 min

Red

30 s

5 min

Blue

30 s

5 min

Green

30 s

5 min

Frames

Time

Filter

Exp

HFR

Stars

Sensor

22:31

Blue

30 s

1.83

283

-9 °C

22:32

Blue

30 s

1.84

291

-10 °C

22:33

Blue

30 s

1.83

288

-10 °C

22:34

Blue

30 s

1.81

281

-10 °C

22:35

Blue

30 s

1.83

288

-10 °C

22:36

Green

30 s

1.66

288

-10 °C

22:37

Green

30 s

1.67

284

-10 °C

22:39

Green

30 s

1.68

331

-10 °C

22:40

Green

30 s

1.67

292

-10 °C

22:41

Green

30 s

1.66

272

-10 °C

22:42

Red

30 s

1.62

283

-10 °C

22:43

Red

30 s

1.64

282

-10 °C

22:44

Red

30 s

1.65

309

-10 °C

22:45

Red

30 s

1.65

293

-10 °C

22:46

Red

30 s

1.67

312

-10 °C

22:52

300 s

1.63

-10 °C

22:57

300 s

1.61

-10 °C

23:03

300 s

1.64

-10 °C

23:08

300 s

1.63

-10 °C

23:14

300 s

1.62

-10 °C

23:19

SII

300 s

1.64

222

-10 °C

23:25

SII

300 s

1.64

190

-10 °C

23:31

SII

300 s

1.67

184

-10 °C

23:37

SII

300 s

1.63

196

-10 °C

23:42

SII

300 s

1.67

200

-10 °C

23:48

OIII

300 s

1.62

161

-10 °C

23:53

OIII

300 s

1.69

207

-10 °C

23:59

OIII

300 s

1.66

176

-10 °C

00:05

OIII

300 s

1.64

185

-10 °C

00:10

OIII

300 s

1.65

194

-10 °C

00:11

Blue

30 s

1.79

335

-10 °C

00:12

Blue

30 s

1.80

343

-10 °C

00:13

Blue

30 s

1.78

356

-10 °C

00:15

Blue

30 s

1.79

338

-10 °C

00:16

Blue

30 s

1.80

346

-10 °C

00:17

Green

30 s

1.72

379

-10 °C

00:18

Green

30 s

1.71

374

-10 °C

00:19

Green

30 s

1.71

369

-10 °C

00:20

Green

30 s

1.72

390

-9 °C

00:22

Green

30 s

1.73

382

-10 °C

00:22

Red

30 s

1.72

381

-9 °C

00:24

Red

30 s

1.74

385

-10 °C

00:27

Red

30 s

1.64

267

-9 °C

00:28

Red

30 s

1.62

246

-10 °C

00:29

Red

30 s

1.63

236

-10 °C

00:34

300 s

1.62

-10 °C

00:39

300 s

1.61

-10 °C

00:45

300 s

1.63

-10 °C

04:20

SII

300 s

1.74

309

-10 °C

04:25

SII

300 s

1.72

281

-10 °C

04:31

SII

300 s

1.72

282

-10 °C

04:37

SII

300 s

1.70

261

-10 °C

04:42

OIII

300 s

1.68

210

-10 °C

04:48

OIII

300 s

1.65

158

-10 °C

04:53

OIII

300 s

1.69

213

-10 °C

04:59

OIII

300 s

1.72

216

-10 °C

05:05

OIII

300 s

1.76

228

-10 °C

05:10

300 s

1.64

-10 °C

05:15

300 s

1.61

-10 °C

05:21

300 s

1.67

-10 °C

05:27

300 s

1.72

104

-10 °C

05:34

300 s

1.79

140

-10 °C

05:40

SII

300 s

1.81

319

-10 °C

05:45

SII

300 s

1.81

299

-10 °C

05:51

OIII

300 s

1.97

245

-10 °C

05:57

OIII

300 s

2.03

247

-10 °C

06:02

300 s

1.96

140

-10 °C

06:08

300 s

1.84

137

-10 °C

Integration by filter

Filter

Frames

Exposure

Integration

Red

120 s

1.0 h

180 s

48 min

Blue

120 s

35 min

Green

120 s

35 min

Frames

Time

Filter

Exp

HFR

Stars

Sensor

00:53

180 s

1.60

-10 °C

00:59

300 s

1.58

-10 °C

01:04

300 s

1.58

-10 °C

01:09

Red

300 s

1.59

-10 °C

01:14

Red

300 s

1.57

-10 °C

01:20

Red

300 s

1.58

-10 °C

01:25

Red

300 s

1.56

-10 °C

01:30

Red

300 s

1.56

-10 °C

01:35

Green

300 s

1.57

-10 °C

01:41

300 s

1.57

-10 °C

01:46

300 s

1.58

-10 °C

01:51

300 s

1.59

-10 °C

01:56

300 s

1.65

-10 °C

02:02

Red

300 s

1.63

-10 °C

02:07

Red

300 s

1.63

-10 °C

02:12

Red

300 s

1.59

-10 °C

02:18

Red

300 s

1.62

-10 °C

02:23

Red

300 s

1.63

-10 °C

02:28

Green

300 s

1.71

-10 °C

02:34

Green

300 s

1.70

-10 °C

02:41

Green

300 s

1.63

-10 °C

02:47

Green

300 s

1.65

-10 °C

02:52

Blue

300 s

1.70

-10 °C

02:57

Blue

300 s

1.73

-10 °C

03:02

Blue

300 s

1.81

-10 °C

03:10

Blue

300 s

1.83

-10 °C

03:15

Blue

300 s

1.81

-10 °C

03:19

180 s

1.80

-10 °C

03:22

180 s

1.76

-10 °C

03:26

180 s

1.81

-10 °C

03:29

180 s

1.81

-10 °C

03:33

180 s

1.86

-10 °C

03:35

Red

120 s

1.83

-10 °C

03:37

Red

120 s

1.78

-10 °C

03:39

Red

120 s

1.87

-10 °C

03:42

Red

120 s

1.90

-10 °C

03:46

Red

120 s

1.86

-10 °C

03:49

Green

120 s

1.88

-10 °C

03:51

Green

120 s

1.93

-10 °C

03:53

Green

120 s

1.89

100

-10 °C

03:55

Green

120 s

1.85

-10 °C

03:58

Green

120 s

1.88

-10 °C

04:00

Blue

120 s

1.97

-10 °C

04:02

Blue

120 s

1.88

-10 °C

04:04

Blue

120 s

1.93

-10 °C

04:07

Blue

120 s

1.92

-10 °C

04:10

Blue

120 s

1.89

-10 °C