David's Astronomy Pages (Sky Tours)
Mar (2) - Spring Galaxies (b)

Image collection based on the sky tour "Fertile ground for spring galaxies" featured in the Mar 2009  edition of Astronomy Now. 
Comprising spring galaxies in Canes Venatici and Coma Berenices.

Bullet  1. M51 - Spiral Galaxy (Whirlpool Galaxy)
Bullet  2. M106 - Spiral Galaxy
Bullet  3. M94 - Spiral Galaxy
Bullet  4. M63 - Spiral Galaxy (Sunflower Galaxy)
Bullet  5. Hickson 61 - Galaxy Cluster (NGC 4169 et al, "The Box")
Bullet  6. NGC 4559 - Spiral Galaxy (Caldwell 36)
Bullet  7. NGC 4565 - Spiral Galaxy (Needle Galaxy)
Bullet  8. NGC 4889 - Elliptical Galaxy / Abell 1656 Galaxy Cluster (Caldwell 35)
 

1.   M51 - Spiral Galaxy (Whirlpool Galaxy)

M51 (Canes Venatici)
Image
  CCD Image (Linear Scale)
5  x 180s exposure (av. combine), 2x2 binning, C Filter
2008-02-27 23:59 UT (#270263-69)
8" LX200 classic + ST-7e
 
M51 - detail
Image
CCD Image (Log Scale)
Unsharp Masked
Image details as above

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2.   M106 - Spiral Galaxy

M106 (Canes Venatici)
Image 
 CCD Image (50% size)
8 x 90s sec exposure (average combine), 3x3 binning, C Filter
2011-01-29 21:33 h UT (#451138-46)
12" LX200R  (at f/9.7) + ST-10XME
 
M106 - extended view of arms
Image
  CCD Image (50% size, log scale)
Image details
[Full Size image (log scale)]

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3.   M94 - Spiral Galaxy

M94 (Canes Venatici)
Image
CCD Image 
3 x 180s, 2x2 binning, C Filter
Square Root brightness scaling
2007-04-27 21:59 hUT (#192103-05)
 
Image
CCD Image
4 x 60s exposure (average combine), 2x2 binning, C Filter
Log Scale 
2006-05-25 00:57 hUT (#127128-32)
8" LX200 classic + ST-7e

 

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4.   M63 - Spiral Galaxy (Sunflower Galaxy)

M63 (Canes Venatici)
Image
False Colour CCD Image
5 x 2 min exposure (summed combine), 2x2 binning, C Filter 
Log brightness scaling
2006-04-28 00:44 h UT (#118215-19)
8" LX200 classic + ST-7e
 
Image
CCD Image,  4 x 1 min exposure 
2004-03-22  00:06 to 00:12 h UT (#63158-62)
Mid range Brightened
8" LX200 classic + ST-7e

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5.   Hickson 61 - Galaxy Cluster (NGC 4169 et al, "The Box")

Hickson 61 / NGC 4169 et al  (Coma Berenices)
Image 
Annotated CCD Image,  
3 x 1 min exposure (average), Clear filter
2004-03-21  23:30 to 23:34 h UT (#63127-29)

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6.   NGC 4559 - Spiral Galaxy (Caldwell 36)

NGC 4559 / Caldwell 36  (Coma Berenices) 
Image 
CCD Image 
5 x 180s exposure (average combine), 2x2 binning, C filter,  
2007-03-03  23:46h UT (#180385-89)
8" LX200 Classic + ST-7E
 
NGC 4559- detail
Image 
CCD Image (200% size)
Linear brightness scaling, Cropped
Image details as above

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7.    NGC 4565 - Spiral Galaxy (Needle Galaxy)

NGC 4565 / Caldwell 38  (Coma Berenices) 
Image 
CCD Image 
5 x 180s exposure (average combine), 2x2 binning, C filter,  
2007-03-03  23:46h UT (#180385-89)
8" LX200 Classic + ST-7E
 
NGC 4565 - detail
Image 
CCD Image (200% size)
Linear brightness scaling, Rotated & Cropped
Image details as above

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8.   NGC 4889 - Elliptical Galaxy  /  Abell 1656 Galaxy Cluster  (Caldwell 35)

NGC 4889 and surrounding galaxies  / Caldwell 35 (Coma Berenices)
Part of Abell 1656 Galaxy Cluster
 Image
CCD Image  (75% size)
3 x 120s exposure (median combine), 3x3 binning, C filter,  
2010-03-10  00:04h UT (#416363-65)
12" LX200R  (at f/9.7) + ST-10XME
 
NGC 4489 + numerous surrounding galaxies of Abell 1656 (part)
Image 
Annotated CCD Image (200% size)
3 x 2 min exposure (average combine),  2x2 binning, C filter
2006-12-02 06:35h UT (#156066-68)
8" LX200 Classic + ST-7E

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