Open Clusters		This page summarises observations and images of open star clusters.

Open Clusters - Messier		Other Open Clusters
M11 - Open Cluster (Wild Duck Cluster) M26 - Open Cluster M29 - Open Cluster M34 - Open Cluster M35 - Open Cluster M36 - Open Cluster M37 - Open Cluster M38 - Open Cluster M44 - Open Cluster M45 - Open Cluster (Pleiades) M48 - Open Cluster M50 - Open Cluster M52 - Open Cluster M67 - Open Cluster M71 - Open Cluster M73 - Open Cluster M103 - Open Cluster		NGC 457 - Open Cluster NGC 559 - Open Cluster NGC 659 - Open Cluster NGC 663 - Open Cluster NGC 743 - Open Cluster NGC 744 - Open Cluster NGC 1245 - Open Cluster NGC 1605 - Open Cluster NGC 1664 - Open Cluster NGC 1857 - Open Cluster NGC 1893 - Open Cluster NGC 1931 - Open Cluster NGC 1960 - Open Cluster NGC 1977 - Open Cluster with Nebulosity NGC 2126  - Open Cluster NGC 2141 - Open Cluster NGC 2158 - Open Cluster NGC 2420 - Open Cluster NGC 6802 - Open Cluster NGC 6811 - Open Cluster  NGC 6871 - Open Cluster NGC 6883 - Open Cluster NGC 6907 - Open Cluster NGC 6910 - Open Cluster  NGC 7790 - Open Cluster  IC 348 - Open Cluster with nebulosity Berk 4 - Open Cluster Biur 13 - Open Cluster King 14 - Open Cluster SAC Tr 1 - Open Cluster

M45, Pleiades (Taurus)
Photo (1999)		CCD Mosaic (2003)
Photo, 300mm, f/5.6, Fujicolor 200,  7 1/2 minutes  exposure (Image enhanced & cropped) 1999-Dec-06		Mosaic 8x9 CCD frames,  10 sec exposures 76 x 55 arc mins (1.25 x 0.92 arc deg) 2003-01-04  21:10 to 21:48h UT (#37250-321)

Perseus Double Cluster (NGC 884 & 869)
Photo (1999)		CCD Mosaic (2003)
Photo, 1999-Dec-06 300mm, f/5.6, Fujicolor 200,  11mins exposure (Image enhanced & cropped)		Mosaic 7x6 CCD frames,  20 sec exposures taken on 2003-01-04  23:03 to 23:32h UT (#37454-95) 69 x 34 arc mins

M11  (Scutum)

CCD image,  6 x 10 sec exposures (median combine) 2003-08-05  21:46 h UT (#49032-49037) 11.4 x 7.6 arc mins

M26  (Scutum)

CCD image,  5 x 20 sec exposures  (top - median combine bottom - summed combine) 2003-08-05  21:57 to 21:59 h UT (#49049-49053) 11.4 x 7.6 arc mins

M29 (Cygnus)

CCD Image 3 x 60 sec exposure (median combine), 2x2 binning, C Filter  2006-04-28 00:57 h UT (#118227-29)

M34 Open Cluster (Perseus)

2002-09-11  03:44 to 03:50h UT Mosaic of CCD Images, 5 sec exposures (4x4 Mosaic) 36.9 x 21.3 arc min  (#24006-21) [ Click on Image for Full Size ]

Mosaic of M35 (right/centre) & NGC 2158 (lower right)  (Gemini)

Mosaic 5x6 CCD frames,  20 sec exposures taken on 2003-01-04  23:33 to 23:54h UT (#37250-321) 50 x 39 arc mins

M36 (Auriga)

2002-02-16 CCD Image, 3x3 Mosaic, 15 sec exposures (#17043 et al) 29.3 x 16.8 arc min (Mosaic Construction details)

M36 (Auriga)

CCD Image Mosaic (half scale) 60 sec exposure (2x3 frames), 2x2 binning, C Filter  2006-01-31 22:47h UT (#112172-77) (Full Size Mosaic)

M36 (Auriga)

CCD Image Mosaic (central portion) detail as above (Full Size Mosaic)

M37 (Auriga)

CCD Image Mosaic (half scale) 60 sec exposure (2x3 frames), 2x2 binning, C Filter  2006-01-31 22:38h UT (#112165-71) (Full Size Mosaic)

M37 (Auriga)

Approximate Colour CCD Image  Luminance : 3 x 20s (C Filter), Red 3x30s (av, R Filter), Green 2x20s (av, V Filter), Blue 2x60s (av B Filter) 2005-09-30 22:30h UT (#95064-74)

M38 (Auriga)

CCD Image Mosaic (half scale) 60 sec exposure (3x3 frames), 2x2 binning, C Filter  2006-01-31 23:00h UT (#112179-87) (Full Size Mosaic)

M38 (Auriga)

2002-02-16 CCD Image, 5x6 Mosaic, 15 sec exposures (#17060 et al) 48.3 x 34.3 arc min (larger,  full size) (Mosaic Construction details)

M44

2002-04-08  21:23hUT CCD Image, 5x30 sec exposure  1.3 x 2.0 arc deg  (#20021-25) 200mm focal length lens

M44 (Cancer)

Central portion of a CCD Image Mosaic (8x5,  40 Frames) 20 sec exposure,  C Filter 2005-10-09 03:50 h UT  (#99115-59 {S98}) (Full Extent (1/2 size) /  Original Full Size)

Mosaic of M45  (Taurus)

Mosaic 8x9 CCD frames,  10 sec exposures taken on 2003-01-04  21:10 to 21:48h UT (#37250-321) 76 x 55 arc mins (1.25 x 0.92 arc deg)

M48 (Hydra)

CCD Image 3 x 30 sec (median combine),  C Filter 2004-12-08 00:59 h UT (#78083-85)

M50 (Monoceros)

CCD Image 3 x 30 sec (median combine),  C Filter 2004-12-08 00:55 h UT (#78079-81)

M52 (Cassiopeia)

CCD Image Mosaic (2x2 frames) 20 sec exposure, R filter 2005-09-02  22:07 h UT (#93029-32)

M67 (Cancer)

Colour CCD Image,   Red 20s, Green 20s, Blue 30s 2004-02-19, 22:42 to 22:44 h UT (#58208-10)

M67 (Cancer)

CCD Image Mosaic (central portion) 60 sec exposure (3x3 frames), 2x2 binning, C Filter  2006-02-03 03:09h UT (#113115-23) (Full Size Mosaic)

M67 (Cancer)

CCD Image Mosaic (half scale) 60 sec exposure (3x3 frames), 2x2 binning, C Filter  2006-01-31 23:35h UT (#112189-97) (Full Size Mosaic)

M71  (Sagitta)

CCD Image,  3 x 10s exposure 2003-07-13  00:44h UT (#45045-47) 11.4 x 7.6 arc mins

M73 (Aquarius)

CCD Image  5 x 20 sec exposure (average), clear filter 2005-08-14  22:40 h UT (#92120-24)

M103 (Cassiopeia)

Central portion of CCD Image Mosaic (3x3 frames) 20 sec exposure, C filter 2005-09-02  22:32 h UT (#93039-49) (Full Size)

NGC 457 (Cassiopeia)

CCD Image 3 x 1 min exposure (average combine), 2x2 binning, C Filter  2006-01-30 23:39h UT (#111135-37)

NGC 559 (Cassiopeia)

CCD Image 3 x 1 min exposure (median combine), 2x2 binning, C Filter  2006-01-30 23:35h UT (#111131-33)

NGC 659 (Cassiopeia)

CCD Mosaic (2 x 3), 75% size 30sec exposure, 2x2 binning, C Filter 2006-01-11 22:18h UT (#110080-85)

Detailed Image of NGC 659

CCD Image (75% size) 2 x 2 min (average combine), 1x1 binning, clear filter 2006-01-11 22:18h UT (#110073-74)

NGC 663 (Cassiopeia)

Central portion of CCD Mosaic (2 x 3) 30sec exposure, 2x2 binning, C Filter 2006-01-11 22:35h UT (#110086-91)  [ Full Size ]

NGC 743 (Cassiopeia)

CCD Mosaic (2 x 3), 75% size 30sec exposure, 2x2 binning, C Filter 2006-01-11 22:41h UT (#110092-97)  [ Full Size ]

NGC 744 (Perseus)

CCD Image,  10s exposure 2003-12-07  21:33 h UT (#55077)  11.6 x 7.8 arc sec

NGC 1245  (Perseus)

Composite Colour CCD Image Luminance (C av 3x30s), Blue 300% (B av 2 x 60s), Green (V av 2 x 30s), Red (R av 2 x 30s) 2004-09-19  00:25 h UT (#72091-101)

NGC 1605 (Perseus)

CCD  Image  3 x 60s exposure (average combine), C Filter 2005-09-02  23:31 h UT (#93096-98) (Full Size Image)

NGC 1664 (border of Auriga & Perseus)

CCD Image Mosaic (2x3 frames, 50% size) 60 sec exposure, 2x2 binning, C Filter  2006-02-10 23:11h UT (#114223-46) [ Full Size Mosaic ]

NGC 1664 - detail, approximate colour

Approximate Colour CCD Image  - central portion of 2x3 mosaic Red - 60sec (R Filter), Green - 60sec (V Filter),  Blue - 60s (B Filter), 2x2 binning 2006-02-10 23:11h UT (#114223-46) [ Full Size Mosaic ]

NGC 1857 (Auriga)

CCD  Colour Image,  Red 60s, Green 60s, Blue 60s, Clear 60s  (LRGB combine) 2004-03-28  21:55 h UT (#64034-37)

NGC 1893 - left centre (Auriga) Mosaic covering 59 x 48 arc min Nebulosity associated with cluster (IC410) is not visible due to short exposure

CCD  Mosaic [ 4 x 5 frames],  30 sec exposures, 30% resize 2004-03-21  22:13 to 22:26 h UT (#63060-79)

NGC 1931 (Auriga)

CCD Image 5 min,  C Filter (autoguided) 2004-11-18 20:43 h UT (#74027)

False Colour CCD Image  (details above) Logarithmic Scaling

NGC 1960  / M36 (Auriga)

CCD Image, 30s exposure, C Filter 2004-09-19  01:07 h UT (#72121)

NGC 1977 (Orion)

CCD Image  30 sec exposure,  C Filter 2004-12-29  01:03 h UT (#81108)

NGC 2126 (Auriga)

CCD Image 5 x 20 sec (average combine),  C Filter 2004-11-18 20:20 h UT (#74016-20)

NGC 2141 (Orion)

CCD Image  3 x 60s (average combine), clear filter 2006-01-01 23:44h UT (#108009-11)

NGC 2158

Colour CCD Image,   Red 2x60s (av), Green 2x60s, Blue 2x90s 2004-02-19, 22:53 to 23:04 h UT (#58216-23)

NGC 2420 (Gemini)

CCD Image Mosaic (central portion) 60 sec exposure (3x3 frames), 2x2 binning, C Filter  2006-02-03 02:09h UT (#113074-82) (Full Size Mosaic)

NGC 6802  (in Vulpecula)

CCD image,  3 x 20 sec exposures (summed) 2003-08-03  22:42- 22:43 h UT (#48044-46) 11.4 x 7.6 arc mins

NGC 6811 (Cygnus)

CCD Image Mosaic (central portion) 20s, clear filter 2005-06-07  00:25 h UT (#88085-95) [ Full Size]

NGC 6871 (Cygnus)

CCD Image Mosaic (3 x 4), (50% size) 60s exposure (average combine), 2x2 binning, C Filter  2006-05-12 23:57 hUT (#126106-17) [ Full Size ]

NGC 6871 (Cygnus) - detail

Part of CCD Image Mosaic (3 x 4) 60s exposure (average combine), 2x2 binning, C Filter  2006-05-12 23:57 hUT (#126106-17)

NGC 6883 (Cygnus)

Part of CCD Image Mosaic (3 x 4), (75% size) 60s exposure (average combine), 2x2 binning, C Filter  2006-05-10 23:25 hUT (#125150-16) [ Full Mosaic/Full Size ]

NGC 6907 (Aquila)

CCD  Colour Composite, L 1x20s,  B 1x60 sec,  V 1x30s,  R 1x30s 2004-09-02  22:47 to 22:53h UT (#70013-18)

NGC 6910 (Cygnus)  (no nebulosity is visible)

CCD Image  3 x 60s (average combine), clear filter 2005-06-07  00:45 h UT (#88105-07)

NGC 7790 (Cassiopeia)

CCD Image 3 x 30s exposure (average exposure), 2x2 binning, C Filter  2006-08-09 02:27hUT (#133398-406)

IC 348 (Perseus)

CCD Image  2 x 60s (average combine), clear filter 2006-01-02 00:17h UT (#108099-103)

Approximate Colour CD Image  Luminance : 2 x 60s (C filter), Red : 2 x 60s Blur R filter), Blue 120s Blur (B Filter) Green : 2 x 60s Blur (V Filter) 2006-01-02 00:20h UT (#108099-106)

Berk 4 (Cassiopeia)

CCD Image (50% size) 5 x 20 sec exposure (average combine), 3x3 binning, C Filter 2014-11-30 22:28hUT (#572261-65) 12" LX200R  (at f/10.4) + ST-10XME

SAC Biur 13 (Monoceros) Open Cluster - Saguaro Astronomy Club Database

CCD Image 60s exposure C Filter 2004-12-19 01:12h UT (#80149)

SAC King 14 (Cassiopeia)

CCD Image  3 x 60 sec exposure (average), V filter 2005-08-14  22:40 h UT (#92159-61)

SAC Tr 1 (Cassiopeia) Catalog = Saguaro Astronomy Club Database (SAC)

CCD Mosaic (2 x 3), 75% size 30sec exposure, 2x2 binning, C Filter 2006-01-11 22:46h UT (#110098-103)  [ Full Size ]

Detailed Image of SAC Tr 1

Central portion of CCD Image 6 x 30sec exposure (average combine), 1x1 binning, C Filter 2006-01-11 22:55h UT (#110106-111)  [ Full Size ]