David's Astronomy Pages (Sky Tours)
Nov (1) - Autumn Star Clusters

Image collection based on the sky tour "Open nights for star clusters" featured in the Nov 2012 edition of Astronomy Now. Comprising star clusters in Cassiopeia, Perseus and Taurus.

Bullet  1. NGC 7789 - Open Cluster
Bullet  2. NGC 457 - Open Cluster (Caldwell 13)
Bullet  3. NGC 663 - Open Cluster (Caldwell 10)
Bullet  4. NGC 884 / NGC 869   (Double Cluster in Perseus)
Bullet  5. NGC 1528 - Open Cluster
Bullet  6. M34 - Open Cluster
Bullet  7. M45 Pleiades (Open Cluster in Taurus)
Bullet  8. NGC 1647 - Open Cluster
 

1.  NGC 7789 - Open Cluster

NGC 7789 (Cassiopeia) 
Image
CCD Image (50% size)
3 x 30 sec exposure (average combine), 3x3 binning, C Filter 
2009-11-30 22:34 h UT  (#401294-96)
12" LX200R  (at f/5.7) + ST-10XME
[larger image, 75% size]
 
NGC 7789
Image
CCD Image (50% size)
10 x 15 sec exposure (median combine), 3x3 binning, C Filter 
2009-11-30 22:38 h UT  (#401298-307)
12" LX200R  (at f/5.7) + ST-10XME

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2.  NGC 457 - Open Cluster (Caldwell 13)

NGC 457 / Caldwell 13 (Cassiopeia)
Image
  CCD Image (75% size, cropped) 
7 x 10 sec (average combine),  3x3 binning, C Filter
2009-12-11 20:47 h UT  (#404281-87)
12" LX200R  (at f/5.7) + ST-10XME
[Full Size Image, 100% size]
 
NGC 457 - earlier image (2006, 8" LX200/ST7)
Image
 CCD Image
3 x 1 min exposure (average combine), 2x2 binning, C Filter 
2006-01-30 23:39h UT (#111135-37)
8" LX200 Classic + ST-7E

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3.  NGC 663 - Open Cluster (Caldwell 10)

NGC 663 / Caldwell 10 (Cassiopeia)  
Image
CCD Image (75% size) 
3 x 45 sec (average combine),  3x3 binning, C Filter
2009-12-11 20:34 h UT  (#404268-70)
12" LX200R  (at f/5.7) + ST-10XME

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4.   NGC 884 / NGC 869   (Double Cluster In Perseus)

Mosaic of NGC 884 (left) & NGC 869 (right)  (Perseus)
Image
CCD Mosaic (7x6 frames, 69 x 34 arc mins)
,  20 sec exposures taken on
2003-01-04  23:03 to 23:32h UT (#37454-95)
8" LX200 Classic + ST-7E
(Full Size Image)
 
NGC 869 (Perseus)
Image
Approximate Colour CCD Image (75% size)
3 x 45s exposure (average combine), 3x3 binning, B Filter 
3 x 30s exposure (average combine), 3x3 binning, V Filter 
3 x 30s exposure (average combine), 3x3 binning, R Filter 
2011-01-12 23:15 hUT (#444515-23)
12" LX200R  (at f/9.7) + ST-10XME
 

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5.  NGC 1528 - Open Cluster

NGC 1528 (Perseus)
Dark grey area shows position of a missing frame due to slewing error
(slewing discrepency recognised by script, but slew not reattempted nor flagged up to user to intervene)
Image 
CCD Image Mosaic (3x4, 30% size)
30s sec exposure, 3x3 binning, C Filter
2012-10-18 20:50 h UT (#516147-58)
12" LX200R  (at f/9.7) + ST-10XME
 
NGC 1528 - detail
Image 
CCD Image Mosaic (3x4, 60% size, cropped to main area of cluster)
Image details as above

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6.   M34 - Open Cluster

M34 (Perseus)
Image
CCD Image Mosaic (40%)
60 sec exposure, 2x2 binning, C Filter 
2008-10-21 23:30 h UT (#317361-76)
8" LX200 classic + ST-7e
[ Full size Image ]
 
M34 (Perseus)
central part of cluster
Image
Colour CCD Image 
Red : av 3 x 20s exposure, R Filter 
Green : av 3 x 20s exposure, V Filter 
Blue : av 3 x 30 exposure, B Filter 
Frames:  3x3 binning
2010-12-25 18:22 hUT (#439097-105)
12" LX200R  (at f/9.7) + ST-10XME

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7.   M45 Pleiades   (Open Cluster in Taurus)

Mosaic of M45  (Taurus)
Image
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)
[ Full size image ]

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8.  NGC 1647 - Open Cluster

NGC 1647 (Taurus)
Image 
CCD Image Mosaic (4x5, 25% size)
30s sec exposure, 3x3 binning, C Filter
2012-10-21 23:19 h UT (#517223-42)
12" LX200R  (at f/9.7) + ST-10XME
[larger size, 50%]

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