Night in detail

Sat 20 Dec 2025 → Sun 21 Dec

Integration: 9.6 h
Frames: 97 frames
Targets: 3
Dark sky: 11.0 h
Moon: 1 % · New moon
Roof open: 14 h · 69 % imaged

Fri 19 Dec Sun 21 Dec

Sky

Moon 1%

Roof

Bubble Nebula

Horsehead Nebula

Christmas Tree Cluster

HFR

Conditions

Cloud%

Temp°C

Dew°C

-0

Humidity%

Windm/s

PressurehPa

956

957

960

961

962

963

964

965

966

967

OIIIHaSIIRedBlueGreenroof opengoodmarginalpoor

Sunset 17:39Moonrise 09:00Dark 19:06 → 06:07Moonset 18:10Sunrise 07:34

Sessions

3 targets

Bubble Nebula · Bubble Nebula19:26 → 01:005.3 h · 32 frames

Position: 23:20:41 61° 11' 24"
Filters: OIII 32 × 600 s
HFR: 1.81 mean · 1.61–2.01
Stars: 643 mean

Integration by filter
Filter	Frames	Exposure	Integration
OIII	32	600 s	5.3 h

Frames
Time	Filter	Exp	HFR	Stars	Sensor
19:26	OIII	600 s	1.67	561	-10 °C
19:36	OIII	600 s	1.68	557	-10 °C
19:47	OIII	600 s	1.66	491	-10 °C
19:57	OIII	600 s	1.61	357	-10 °C
20:07	OIII	600 s	1.95	655	-10 °C
20:20	OIII	600 s	2.01	786	-10 °C
20:31	OIII	600 s	1.89	752	-10 °C
20:41	OIII	600 s	1.79	726	-10 °C
20:52	OIII	600 s	1.74	654	-10 °C
21:02	OIII	600 s	1.82	726	-10 °C
21:13	OIII	600 s	2.01	757	-10 °C
21:25	OIII	600 s	1.89	707	-10 °C
21:36	OIII	600 s	1.87	726	-10 °C
21:46	OIII	600 s	1.80	657	-10 °C
21:57	OIII	600 s	1.76	642	-10 °C
22:08	OIII	600 s	1.91	695	-10 °C
22:18	OIII	600 s	1.97	674	-10 °C
22:30	OIII	600 s	1.77	630	-10 °C
22:41	OIII	600 s	1.84	687	-10 °C
22:51	OIII	600 s	1.76	628	-10 °C
23:01	OIII	600 s	1.75	607	-10 °C
23:12	OIII	600 s	1.83	656	-10 °C
23:23	OIII	600 s	1.84	658	-10 °C
23:33	OIII	600 s	1.87	674	-10 °C
23:46	OIII	600 s	1.73	597	-10 °C
23:56	OIII	600 s	1.79	667	-10 °C
00:06	OIII	600 s	1.74	590	-10 °C
00:17	OIII	600 s	1.73	562	-10 °C
00:27	OIII	600 s	1.77	614	-10 °C
00:37	OIII	600 s	1.84	637	-10 °C
00:49	OIII	600 s	1.84	641	-10 °C
01:00	OIII	600 s	1.82	618	-10 °C

Horsehead Nebula · Horsehead Nebula01:11 → 04:363.2 h · 38 frames

Position: 05:41:37 -02° 20' 03"
Filters: OIII 38 × 300 s
HFR: 1.72 mean · 1.63–1.88
Stars: 73 mean

Integration by filter
Filter	Frames	Exposure	Integration
OIII	38	300 s	3.2 h

Frames
Time	Filter	Exp	HFR	Stars	Sensor
01:11	OIII	300 s	1.67	62	-10 °C
01:16	OIII	300 s	1.65	69	-10 °C
01:21	OIII	300 s	1.66	64	-10 °C
01:26	OIII	300 s	1.63	66	-10 °C
01:32	OIII	300 s	1.63	60	-10 °C
01:37	OIII	300 s	1.63	61	-10 °C
01:43	OIII	300 s	1.65	69	-10 °C
01:48	OIII	300 s	1.65	66	-10 °C
01:53	OIII	300 s	1.64	68	-10 °C
01:59	OIII	300 s	1.71	75	-10 °C
02:05	OIII	300 s	1.66	70	-10 °C
02:10	OIII	300 s	1.69	66	-10 °C
02:16	OIII	300 s	1.68	74	-10 °C
02:21	OIII	300 s	1.72	76	-10 °C
02:26	OIII	300 s	1.67	71	-10 °C
02:32	OIII	300 s	1.69	61	-10 °C
02:37	OIII	300 s	1.75	79	-10 °C
02:44	OIII	300 s	1.67	66	-10 °C
02:50	OIII	300 s	1.67	72	-10 °C
02:55	OIII	300 s	1.67	74	-10 °C
03:00	OIII	300 s	1.71	80	-10 °C
03:06	OIII	300 s	1.69	75	-10 °C
03:11	OIII	300 s	1.69	69	-10 °C
03:16	OIII	300 s	1.72	77	-10 °C
03:22	OIII	300 s	1.73	77	-10 °C
03:27	OIII	300 s	1.73	72	-10 °C
03:33	OIII	300 s	1.72	77	-10 °C
03:38	OIII	300 s	1.76	80	-10 °C
03:44	OIII	300 s	1.79	81	-10 °C
03:50	OIII	300 s	1.88	86	-10 °C
03:56	OIII	300 s	1.75	78	-10 °C
04:01	OIII	300 s	1.75	78	-10 °C
04:07	OIII	300 s	1.75	78	-10 °C
04:13	OIII	300 s	1.80	82	-10 °C
04:18	OIII	300 s	1.85	78	-10 °C
04:23	OIII	300 s	1.86	80	-10 °C
04:29	OIII	300 s	1.86	79	-10 °C
04:36	OIII	300 s	1.84	77	-10 °C

Christmas Tree Cluster · Christmas Tree Cluster04:46 → 06:031.1 h · 27 frames

Position: 06:40:51 09° 42' 56"
Filters: Ha 5×300s · OIII 5×300s · SII 2×300s · Red 5×30s · Blue 5×30s · Green 5×30s
HFR: 1.81 mean · 1.72–1.93
Stars: 305 mean

Integration by filter
Filter	Frames	Exposure	Integration
Ha	5	300 s	25 min
OIII	5	300 s	25 min
SII	2	300 s	10 min
Red	5	30 s	3 min
Blue	5	30 s	3 min
Green	5	30 s	3 min

Frames
Time	Filter	Exp	HFR	Stars	Sensor
04:46	SII	300 s	1.72	303	-10 °C
04:51	SII	300 s	1.72	313	-10 °C
04:57	OIII	300 s	1.80	256	-10 °C
05:02	OIII	300 s	1.81	260	-10 °C
05:08	OIII	300 s	1.82	270	-10 °C
05:13	OIII	300 s	1.84	278	-10 °C
05:19	OIII	300 s	1.86	271	-10 °C
05:19	Blue	30 s	1.93	338	-10 °C
05:21	Blue	30 s	1.89	319	-9 °C
05:22	Blue	30 s	1.88	338	-10 °C
05:23	Blue	30 s	1.89	347	-10 °C
05:24	Blue	30 s	1.92	341	-10 °C
05:25	Green	30 s	1.81	412	-10 °C
05:26	Green	30 s	1.80	383	-10 °C
05:27	Green	30 s	1.76	389	-9 °C
05:28	Green	30 s	1.73	363	-10 °C
05:29	Green	30 s	1.76	384	-9 °C
05:30	Red	30 s	1.77	408	-10 °C
05:32	Red	30 s	1.76	405	-9 °C
05:33	Red	30 s	1.73	380	-10 °C
05:34	Red	30 s	1.73	369	-9 °C
05:35	Red	30 s	1.75	389	-10 °C
05:40	Ha	300 s	1.81	145	-10 °C
05:46	Ha	300 s	1.82	148	-10 °C
05:52	Ha	300 s	1.85	141	-10 °C
05:57	Ha	300 s	1.87	137	-10 °C
06:03	Ha	300 s	1.87	145	-10 °C

Integration by filter

Filter

Frames

Exposure

Integration

OIII

600 s

5.3 h

Frames

Time

Filter

Exp

HFR

Stars

Sensor

19:26

OIII

600 s

1.67

561

-10 °C

19:36

OIII

600 s

1.68

557

-10 °C

19:47

OIII

600 s

1.66

491

-10 °C

19:57

OIII

600 s

1.61

357

-10 °C

20:07

OIII

600 s

1.95

655

-10 °C

20:20

OIII

600 s

2.01

786

-10 °C

20:31

OIII

600 s

1.89

752

-10 °C

20:41

OIII

600 s

1.79

726

-10 °C

20:52

OIII

600 s

1.74

654

-10 °C

21:02

OIII

600 s

1.82

726

-10 °C

21:13

OIII

600 s

2.01

757

-10 °C

21:25

OIII

600 s

1.89

707

-10 °C

21:36

OIII

600 s

1.87

726

-10 °C

21:46

OIII

600 s

1.80

657

-10 °C

21:57

OIII

600 s

1.76

642

-10 °C

22:08

OIII

600 s

1.91

695

-10 °C

22:18

OIII

600 s

1.97

674

-10 °C

22:30

OIII

600 s

1.77

630

-10 °C

22:41

OIII

600 s

1.84

687

-10 °C

22:51

OIII

600 s

1.76

628

-10 °C

23:01

OIII

600 s

1.75

607

-10 °C

23:12

OIII

600 s

1.83

656

-10 °C

23:23

OIII

600 s

1.84

658

-10 °C

23:33

OIII

600 s

1.87

674

-10 °C

23:46

OIII

600 s

1.73

597

-10 °C

23:56

OIII

600 s

1.79

667

-10 °C

00:06

OIII

600 s

1.74

590

-10 °C

00:17

OIII

600 s

1.73

562

-10 °C

00:27

OIII

600 s

1.77

614

-10 °C

00:37

OIII

600 s

1.84

637

-10 °C

00:49

OIII

600 s

1.84

641

-10 °C

01:00

OIII

600 s

1.82

618

-10 °C

Integration by filter

Filter

Frames

Exposure

Integration

OIII

300 s

3.2 h

Frames

Time

Filter

Exp

HFR

Stars

Sensor

01:11

OIII

300 s

1.67

-10 °C

01:16

OIII

300 s

1.65

-10 °C

01:21

OIII

300 s

1.66

-10 °C

01:26

OIII

300 s

1.63

-10 °C

01:32

OIII

300 s

1.63

-10 °C

01:37

OIII

300 s

1.63

-10 °C

01:43

OIII

300 s

1.65

-10 °C

01:48

OIII

300 s

1.65

-10 °C

01:53

OIII

300 s

1.64

-10 °C

01:59

OIII

300 s

1.71

-10 °C

02:05

OIII

300 s

1.66

-10 °C

02:10

OIII

300 s

1.69

-10 °C

02:16

OIII

300 s

1.68

-10 °C

02:21

OIII

300 s

1.72

-10 °C

02:26

OIII

300 s

1.67

-10 °C

02:32

OIII

300 s

1.69

-10 °C

02:37

OIII

300 s

1.75

-10 °C

02:44

OIII

300 s

1.67

-10 °C

02:50

OIII

300 s

1.67

-10 °C

02:55

OIII

300 s

1.67

-10 °C

03:00

OIII

300 s

1.71

-10 °C

03:06

OIII

300 s

1.69

-10 °C

03:11

OIII

300 s

1.69

-10 °C

03:16

OIII

300 s

1.72

-10 °C

03:22

OIII

300 s

1.73

-10 °C

03:27

OIII

300 s

1.73

-10 °C

03:33

OIII

300 s

1.72

-10 °C

03:38

OIII

300 s

1.76

-10 °C

03:44

OIII

300 s

1.79

-10 °C

03:50

OIII

300 s

1.88

-10 °C

03:56

OIII

300 s

1.75

-10 °C

04:01

OIII

300 s

1.75

-10 °C

04:07

OIII

300 s

1.75

-10 °C

04:13

OIII

300 s

1.80

-10 °C

04:18

OIII

300 s

1.85

-10 °C

04:23

OIII

300 s

1.86

-10 °C

04:29

OIII

300 s

1.86

-10 °C

04:36

OIII

300 s

1.84

-10 °C

Integration by filter

Filter

Frames

Exposure

Integration

300 s

25 min

OIII

300 s

25 min

SII

300 s

10 min

Red

30 s

3 min

Blue

30 s

3 min

Green

30 s

3 min

Frames

Time

Filter

Exp

HFR

Stars

Sensor

04:46

SII

300 s

1.72

303

-10 °C

04:51

SII

300 s

1.72

313

-10 °C

04:57

OIII

300 s

1.80

256

-10 °C

05:02

OIII

300 s

1.81

260

-10 °C

05:08

OIII

300 s

1.82

270

-10 °C

05:13

OIII

300 s

1.84

278

-10 °C

05:19

OIII

300 s

1.86

271

-10 °C

05:19

Blue

30 s

1.93

338

-10 °C

05:21

Blue

30 s

1.89

319

-9 °C

05:22

Blue

30 s

1.88

338

-10 °C

05:23

Blue

30 s

1.89

347

-10 °C

05:24

Blue

30 s

1.92

341

-10 °C

05:25

Green

30 s

1.81

412

-10 °C

05:26

Green

30 s

1.80

383

-10 °C

05:27

Green

30 s

1.76

389

-9 °C

05:28

Green

30 s

1.73

363

-10 °C

05:29

Green

30 s

1.76

384

-9 °C

05:30

Red

30 s

1.77

408

-10 °C

05:32

Red

30 s

1.76

405

-9 °C

05:33

Red

30 s

1.73

380

-10 °C

05:34

Red

30 s

1.73

369

-9 °C

05:35

Red

30 s

1.75

389

-10 °C

05:40

300 s

1.81

145

-10 °C

05:46

300 s

1.82

148

-10 °C

05:52

300 s

1.85

141

-10 °C

05:57

300 s

1.87

137

-10 °C

06:03

300 s

1.87

145

-10 °C