Cheapskate's Open Cluster Page

Open Star Clusters

These groups may contain only a few stars or as many as a thousand.
They are gravitationally bound, gradually losing members through the ages.
The sun was once a member of an open cluster but has lost all its companions.

Wide-angle starfields are also included on this page.

Learn more about open clusters here:
http://www.seds.org/messier/open.html
http://en.wikipedia.org/wiki/Open_cluster

Click on an image to enlarge.
Click on a constellation name to view a star chart (courtesy Starry Night Software).
If you download and process a raw file please send me your results. As soon as possible I will post your image.

Jump to:

Perseus / Cassiopeia
C41 Hyades
M11 Wild Duck
M29
M34
M35 / NGC 2158
M36
M37
M38
M39
M40
M44
M45
M46
M47
M48
M50
M52 Scorpion
M67
M71
M73
NGC 457 Owl
NGC 752
NGC 869 / NGC 884
NGC 2423
NGC 2244
NGC 2264
NGC 6892 Coathanger
NGC 6939
NGC 7789

Target

Raw Image

Processed Image

Number & Length of Exposures

Focal Length, f/# & ISO

Lens/Telescope & Camera Used

Download Raw Stack

Perseus and Cassiopeia.

1 frame,
208 seconds

28mm
f/6.7
ISO 400

Sigma 28-80 zoom lens
Canon 10D

C41, Hyades in Taurus.

1 frame,
242 seconds

80mm
f/5.6
ISO 400

Sigma 28-80 zoom lens
Canon 10D

M11, The Wild Duck cluster in Scutum.
6000 LY distant.
Size: 14 arc min
Mag: 6.3
Aprox. 2900 stars.

1 frame,
30 seconds

500mm
f/5
ISO 1600

Celestron C102 refractor
Canon 400D (XTi)

M29 in Cygnus.
4000 LY distant.
Size: 7 arc min
Mag: 7.1

6 frames,
60 seconds each.

500mm
f/5
ISO 800

Celestron C102 refractor
Canon 10D

Dark frames applied.

Click to download TIFF or archived ZIP

The image above, cropped and enlarged.

M34 in Perseus.
1400 LY distant.
Size: 35 arc min
Mag: 5.5

8 frames,
30 seconds each

500mm
f/5
ISO 800

Celestron C102 refractor
Canon 400D (XTi)

M35 and NGC 2158
in Gemini.
2800 LY distant.
Size: 28 arc min
Mag: 5.3
NGC 2158 is over 1 billion years old.

6 frames,
3 minutes each

500mm
f/5
ISO 1600

Celestron C102 refractor
Canon 10D

M37 in Auriga.
4400 LY distant.
Size: 24 arc min
Mag: 6.2

6 frames,
2 minutes each

500mm
f/5
ISO 400

Celestron C102 refractor
Canon 10D

M36, M38 and
NGC 1907 in Auriga.
4100 LY Distant.
Size: 12 arc min
Mag: 6.1

6 frames,
3 minutes each

200mm
f/5.6
ISO 200

Canon 55-200 mm zoom lens.
Canon 10D

M39 in Cygnus.
4400 LY distant.
Size: 24 arc min
Mag: 6.2

12 frames,
30 seconds
each

500mm
f/5
ISO 800

Celestron C102 refractor
Canon 400D (XTi)

M40 in Ursa Major.
Not a true cluster, a double star.
510 LY distant.
Mag: 8.4

1 frame,
20 seconds

500mm
f/5
ISO 800

Celestron C102 refractor
Canon 10D

M44, the Beehive cluster in Cancer.
577 LY distant.
Size: 1.5 degrees
Mag: 3.7

5 frames,
3 minutes each

100mm
f/4.5
ISO 400

Canon 55-200mm zoom lens
Canon10D

M44 photographed with a Canon XTI. The star spikes were added during processing.

20 frames,
1 minute each.

500mm
f/5
ISO 200

Celestron C102 refractor
Canon 400D (XTI)

M45, the Pleiades in Taurus.
440 LY distant.
Size: 110 arc min
Mag: 1.6
There is another image of this cluster on the Nebula page.

20 frames,
exposures 2 to 8 minutes

200mm
f/5.6
ISO 200 to 800

Celestron C102 refractor
Canon 10D

Dark frames applied.

Click to download TIFF or archived ZIP

M46 in Puppis.
5400 LY distant.
Size: 27 arc min
Mag: 6

1 frame,
2 minutes

500mm
f/5
ISO 400

Celestron C102 refractor
Canon 10D

M46 and M47.

1 frame,
2 minutes

500mm
f/5
ISO 400

Celestron C102 refractor
Canon 10D

M47 and NGC 2423 in Puppis.
1600 LY distant.
Size: 30 arc min
Mag: 5.2

4 frames,
75 seconds each

500mm
f/5
ISO 400

Celestron C102 refractor
Canon 10D

M48 in Hydra.
1500 LY distant.
Size: 54 arc min
Mag: 5.5

3 frames,
106 seconds each

500mm
f/5
ISO 400

Celestron C102 refractor
Canon 10D

M50 in Monoceros .
3200 LY distant.
Size: 16 arc min.
Mag: 5.9

16 frames,
1 minute each

500mm,
f/5
ISO 200

Celestron C102 refractor
Canon 400D (XTi)

M52, the Scorpion cluster in Cassiopeia.
5000 LY distant.
Size: 13 arc min.
Mag: 7.3

24 frames,
30 seconds each

500mm
f/5
ISO 400

Celestron C102 refractor
Canon 400D (XTi)

Dark frames applied.

Click to download TIFF or archived ZIP

The same stack reprocessed.

M67 in Cancer.
2700 LY distant.
Size: 30 arc min.
Mag: 6.1

25 frames,
1 minute each

500mm
f/5
ISO 200

Celestron C102 refractor
Canon 400D (XTi)

M71 in Sagitta.
13000 LY distant.
Size: 7.2 arc min.
Mag: 8.2

16 frames,
30 seconds each

500mm
f/5
ISO 1600

Celestron C102 refractor
Canon 400D (XTi)

M73 in Aquarius.
13000 LY distant.
Size: 7.2 arc min.
Mag: 8.2

8 frames,
20 seconds each

500mm
f/5
ISO 800

Celestron C102 refractor
Canon 400D (XTi)

NGC 457, The Owl Cluster in Cassiopeia.
1300 LY distant.
Size: 60 arc min
Mag: 5.7

16 frames,
30 seconds each

500mm
f/5
ISO 800

Celestron C102 refractor
Canon 400D (XTi)

NGC 752 in Andromeda.
1300 LY distant.
Size: 60 arc min
Mag: 5.7

Raw image unavailable.

Exposure information unavailable.

NGC 869 and
NGC 884, the Perseus Double Cluster.
7100 LY distant.
Size: 30 arc min.
Mag: 4.3

3 frames,
2 minutes each

200mm
f/5.6
ISO 400

Canon 55-200 mm zoom lens.
Canon 10D

NGC 2264, The Chrstmas Tree Cluster in Monoceros.
2400 LY distant.
Size: 20 arc min
Mag: 3.9

10 frames,
3 minutes each

500mm
f/5
ISO 1600

Celestron C102 refractor
Canon 10D

Broadband LPR filter used.

NGC 2264 and NGC 2244 in Monoceros.

Raw image unavailable.

Exposure information
unavailable.

NGC 6892, the Coathanger Cluster in Sagitta.
400 LY distant.
Size: 1.8 degrees
Mag: 5.1

8 frames,
30 seconds
each

500mm
f/5
ISO 800

Celestron C102 refractor
Canon 400D (XTi)

NGC 6939 in Cepheus.
Size: 8 arc min
Mag: 7.8

160 frames of 60 seconds and 90 seconds.

500mm
f/5
ISO 1600

Celestron C102 refractor
Canon 400D (XTi)

Raw stack available on Galaxy page, with NGC 6946.

NGC 7789 in Cassiopeia.
Size: 16 arc min.
Mag: 6.7

29 frames of 1 minute each.

500mm
f/5
ISO 1600

Celestron C102 refractor
Canon 400D (XTi)

Dark frames applied.
LPR filter used.

Contact Me

Open Star Clusters These groups may contain only a few stars or as many as a thousand. They are gravitationally bound, gradually losing members through the ages. The sun was once a member of an open cluster but has lost all its companions. Wide-angle starfields are also included on this page. Learn more about open clusters here: http://www.seds.org/messier/open.html http://en.wikipedia.org/wiki/Open_cluster Click on an image to enlarge. Click on a constellation name to view a star chart (courtesy Starry Night Software). If you download and process a raw file please send me your results. As soon as possible I will post your image.						Jump to: Perseus / Cassiopeia C41 Hyades M11 Wild Duck M29 M34 M35 / NGC 2158 M36 M37 M38 M39 M40 M44 M45 M46 M47 M48 M50 M52 Scorpion M67 M71 M73 NGC 457 Owl NGC 752 NGC 869 / NGC 884 NGC 2423 NGC 2244 NGC 2264 NGC 6892 Coathanger NGC 6939 NGC 7789
Target	Raw Image	Processed Image	Number & Length of Exposures	Focal Length, f/# & ISO	Lens/Telescope & Camera Used	Download Raw Stack
Perseus and Cassiopeia.			1 frame, 208 seconds	28mm f/6.7 ISO 400	Sigma 28-80 zoom lens Canon 10D
C41, Hyades in Taurus.			1 frame, 242 seconds	80mm f/5.6 ISO 400	Sigma 28-80 zoom lens Canon 10D
M11, The Wild Duck cluster in Scutum. 6000 LY distant. Size: 14 arc min Mag: 6.3 Aprox. 2900 stars.			1 frame, 30 seconds	500mm f/5 ISO 1600	Celestron C102 refractor Canon 400D (XTi)
M29 in Cygnus. 4000 LY distant. Size: 7 arc min Mag: 7.1			6 frames, 60 seconds each.	500mm f/5 ISO 800	Celestron C102 refractor Canon 10D	Dark frames applied. Click to download TIFF or archived ZIP
	The image above, cropped and enlarged.
M34 in Perseus. 1400 LY distant. Size: 35 arc min Mag: 5.5			8 frames, 30 seconds each	500mm f/5 ISO 800	Celestron C102 refractor Canon 400D (XTi)
M35 and NGC 2158 in Gemini. 2800 LY distant. Size: 28 arc min Mag: 5.3 NGC 2158 is over 1 billion years old.			6 frames, 3 minutes each	500mm f/5 ISO 1600	Celestron C102 refractor Canon 10D
M37 in Auriga. 4400 LY distant. Size: 24 arc min Mag: 6.2			6 frames, 2 minutes each	500mm f/5 ISO 400	Celestron C102 refractor Canon 10D
M36, M38 and NGC 1907 in Auriga. 4100 LY Distant. Size: 12 arc min Mag: 6.1			6 frames, 3 minutes each	200mm f/5.6 ISO 200	Canon 55-200 mm zoom lens. Canon 10D
M39 in Cygnus. 4400 LY distant. Size: 24 arc min Mag: 6.2			12 frames, 30 seconds each	500mm f/5 ISO 800	Celestron C102 refractor Canon 400D (XTi)
M40 in Ursa Major. Not a true cluster, a double star. 510 LY distant. Mag: 8.4			1 frame, 20 seconds	500mm f/5 ISO 800	Celestron C102 refractor Canon 10D
M44, the Beehive cluster in Cancer. 577 LY distant. Size: 1.5 degrees Mag: 3.7			5 frames, 3 minutes each	100mm f/4.5 ISO 400	Canon 55-200mm zoom lens Canon10D
M44 photographed with a Canon XTI. The star spikes were added during processing.			20 frames, 1 minute each.	500mm f/5 ISO 200	Celestron C102 refractor Canon 400D (XTI)
M45, the Pleiades in Taurus. 440 LY distant. Size: 110 arc min Mag: 1.6 There is another image of this cluster on the Nebula page.			20 frames, exposures 2 to 8 minutes	200mm f/5.6 ISO 200 to 800	Celestron C102 refractor Canon 10D	Dark frames applied. Click to download TIFF or archived ZIP
M46 in Puppis. 5400 LY distant. Size: 27 arc min Mag: 6			1 frame, 2 minutes	500mm f/5 ISO 400	Celestron C102 refractor Canon 10D
M46 and M47.			1 frame, 2 minutes	500mm f/5 ISO 400	Celestron C102 refractor Canon 10D
M47 and NGC 2423 in Puppis. 1600 LY distant. Size: 30 arc min Mag: 5.2			4 frames, 75 seconds each	500mm f/5 ISO 400	Celestron C102 refractor Canon 10D
M48 in Hydra. 1500 LY distant. Size: 54 arc min Mag: 5.5			3 frames, 106 seconds each	500mm f/5 ISO 400	Celestron C102 refractor Canon 10D
M50 in Monoceros . 3200 LY distant. Size: 16 arc min. Mag: 5.9			16 frames, 1 minute each	500mm, f/5 ISO 200	Celestron C102 refractor Canon 400D (XTi)
M52, the Scorpion cluster in Cassiopeia. 5000 LY distant. Size: 13 arc min. Mag: 7.3			24 frames, 30 seconds each	500mm f/5 ISO 400	Celestron C102 refractor Canon 400D (XTi)	Dark frames applied. Click to download TIFF or archived ZIP
	The same stack reprocessed.
M67 in Cancer. 2700 LY distant. Size: 30 arc min. Mag: 6.1			25 frames, 1 minute each	500mm f/5 ISO 200	Celestron C102 refractor Canon 400D (XTi)
M71 in Sagitta. 13000 LY distant. Size: 7.2 arc min. Mag: 8.2			16 frames, 30 seconds each	500mm f/5 ISO 1600	Celestron C102 refractor Canon 400D (XTi)
M73 in Aquarius. 13000 LY distant. Size: 7.2 arc min. Mag: 8.2			8 frames, 20 seconds each	500mm f/5 ISO 800	Celestron C102 refractor Canon 400D (XTi)
NGC 457, The Owl Cluster in Cassiopeia. 1300 LY distant. Size: 60 arc min Mag: 5.7			16 frames, 30 seconds each	500mm f/5 ISO 800	Celestron C102 refractor Canon 400D (XTi)
NGC 752 in Andromeda. 1300 LY distant. Size: 60 arc min Mag: 5.7	Raw image unavailable.				Exposure information unavailable.
NGC 869 and NGC 884, the Perseus Double Cluster. 7100 LY distant. Size: 30 arc min. Mag: 4.3			3 frames, 2 minutes each	200mm f/5.6 ISO 400	Canon 55-200 mm zoom lens. Canon 10D
NGC 2264, The Chrstmas Tree Cluster in Monoceros. 2400 LY distant. Size: 20 arc min Mag: 3.9			10 frames, 3 minutes each	500mm f/5 ISO 1600	Celestron C102 refractor Canon 10D	Broadband LPR filter used.
NGC 2264 and NGC 2244 in Monoceros.	Raw image unavailable.				Exposure information unavailable.
NGC 6892, the Coathanger Cluster in Sagitta. 400 LY distant. Size: 1.8 degrees Mag: 5.1			8 frames, 30 seconds each	500mm f/5 ISO 800	Celestron C102 refractor Canon 400D (XTi)
NGC 6939 in Cepheus. Size: 8 arc min Mag: 7.8			160 frames of 60 seconds and 90 seconds.	500mm f/5 ISO 1600	Celestron C102 refractor Canon 400D (XTi)	Raw stack available on Galaxy page, with NGC 6946.
NGC 7789 in Cassiopeia. Size: 16 arc min. Mag: 6.7			29 frames of 1 minute each.	500mm f/5 ISO 1600	Celestron C102 refractor Canon 400D (XTi)	Dark frames applied. LPR filter used.