David's Astronomy Pages (Image Gallery)
Image Highlights - 2008

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Shown below are some of my favourite CCD images from 2008.  
They are taken using a ST-7E camera through an 8" LX200 unless otherwise stated

Bullet | Stars | Clusters | Nebulae | Galaxies | Moon | Planets | Comets | Asteroids/MPL | 
 

Stars

SAO 49491 / WR 140 - Wolf Rayet Star (Cygnus)
Image
Annotated CCD Image
3 x 30s exposure (average combine), 2x2 binning, C Filter 
2008-04-18 03:02hUT (#283375-77)
 
SAO 49491 / WR 140 - spectral lines
Image
Image
 
Spectral Emission Lines in P Cyg (Cygnus)
Image
Image
    CCD Spectral Profile (200%)
3 x 10s, 1x1 binning,  Original Dispersion 33.6 A/px
2008-05-08 01:16hUT (#286177-79)

 

 P Cyg (2008-05-09) 
Image
CCD Image
3 x 5s exposure (average combine), 2x2 binning, C Filter 
2008-05-09 01:50h UT (#287186-88)
 

W And (Andromeda) 
CCD Images showing 6 magnitude brightening in mira variable W And between Jan 2008 and June 2008
 

W And - near minimum
(Earlier Image, 2008-01-11 )
Image 
Annotated CCD Image
90s exposure, 
2x2 binning, CV Filter 
2008-01-11 20:07hUT (#252117)
Light Curve for W And - above images are shown by circles
Image
[ W And - more light curves ]

EV Lac (Lacerta)
A 90min time series run was conducted using a V Filter
The run successfully caught the rise and decay of a flare (0.1 mag)
Image
100 x 45s frames, 2x2 binning, V Filter
2008-10-05 01:33 to 03:08 hUT (#310395-494)
 

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 Clusters

NGC 6802 / Herschel VI-14 (Vulpecula) 
Image
CCD Image 
3 x 90 sec exposure (average combine), 2x2 binning, C Filter
2008-09-01 21:43 UT (#298049-51)
NGC 7128 / Herschel VII-40 (Cygnus) 
detail showing nebulosity
Image
CCD Image (Log Scaling)
3 x 90 sec exposure (average combine),  2x2 binning, C Filter
2008-09-20 21:47 UT (#303071-73) 

NGC 7044 / Herschel VI-24 (Cygnus) 
Image
CCD Image 
3 x 90 sec exposure (average combine),  2x2 binning, C Filter
2008-09-21 00:08 UT (#303196-200
 
NGC 6910 / Herschel VIII-56 (Cygnus) 
Image
False Colour CCD Image (Log Scale, inverse spectrum)
3 x 120 sec exposure (average combine),  2x2 binning, C Filter
2008-09-21 02:52 UT (#303341-43)

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Nebulae

IC 5067 / 5070 (Cygnus) 

 Image

 CCD Image Mosaic - 6 x10 frames (30% size )
120s exposure, 2x2 binning, C filter,
2008-10-05 22:56h UT (#311172-231) 
( 2h 35m  total time to acquire for 60 frames )
[ Larger Image 60% size ]

 

IC 5067 / 5070  - location

IC 5067 / 5070  - enhanced

Image

 Image

Annotated CCD Image Mosaic 
(15% size)
Image details as above

Enhanced CCD Image Mosaic 
(15% size)
Image details as above

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Galaxies

NGC 5394 and NGC 5395 / ARP 84  (Canes Venatici)  
Spiral galaxy with HSB companion on arm ("Heron")
Image Image
CCD Image 
5 x 120s exposure (average combine), 2x2 binning, C Filter
2008-03-13 06:19h UT (#263800-04)
[Annotated Image of NGC 5394/5395 from 2008-03-10 ]		 Negative CCD  Image (200% enlarged, cropped)
(Image details as left)
  

NGC 3193 galaxy group / ARP 316 (Leo)
NGC 3193 / NGC 3187 / NGC 3190
Image Image
Annotated CCD Image
5 x 3 min exposure (average combine), 
2x2 binning, C Filter 
2008-02-16 04:32 h UT (#264476-80)		 Negative CCD Image 
Image details as left

 
NGC 3184 (Ursa Major) NGC 3184 - detail
Image Image
 CCD Image
7 x 2 min exposure (average combine), 
2x2 binning, C Filter 
2008-02-25 01:20 h UT (#268286-92) 		False colour CCD Image
Square root scaling, False Colour (Inverse Spectrum) 
Image details as left
  
M51 (Canes Venatici)

Image 

 Image

CCD Image (Log Scale, Unsharp Masked)
5  x 180s exposure (av. combine), 2x2 binning, C Filter
2008-02-27 23:59 UT (#270263-69)

 False Colour CCD Image 
(Square Root Scaling)
Image details as left

 
  NGC 5907 (Draco)

 Image

 Image

 CCD Image
4 x 180s exposure (average combine), 2x2 binning, C Filter 
2008-03-07 23:32 hUT (#273116-19)

 Negative CCD Image 
Image details as left

 

 NGC 4567/4568 (Virgo)  

 NGC 4567/4568 - detail

 Image

 Image

 Annotated CCD Image 
5 x 180s exposure, 2x2 binning, C Filter
2008-03-10 00:31h UT (#275093-97)

 False Colour CCD  Image
Square root scaling, Inverse Spectrum
(Image details as left)

 

NGC 772 - Aries

  Image

 Image

  Annotated CCD Image - Square root scaling
5 x 180s sec exposure (average combine), 2x2 binning, C Filter
2008-11-27 21:20 h UT (#326243-47)

Negative CCD Image - Linear scaling
Image details as above

  

  M61 (Virgo)

 M61 - detail

  Image

 Image

  CD Image - Linear scaling
5 x 120s sec exposure (average combine), 2x2 binning, C Filter
2008-11-30 05:30 h UT (#328664-68)

Negative CCD Image 
Image details as left

    
Supernovae

NGC 5829 with Supernova 2008B (Bootes)
2008B is a Type 2 Supernova discovered 2008/01/02.84 by Koichi Itagaki
 at ? mag +16.6 
(Rochester Supernova site | Discovery Image | )

Image below (2008-01-06.26) was taken 3.4 days after discovery. 
Measured magnitude +16.1 (C)

Several adjacent galaxies :
 IC 4526 (catalog mag +15.8), PGC 53720 (catalog mag +16.9),
PGC 53703 (catalog mag +17.5), PGC 1685296 (catalog mag +18.1), 
PGC 53702 (catalog mag +17.6),  PGC 1684237 (catalog mag +17.7),
PGC 1684042 (catalog mag +17.0)

 NGC 5829 / SN 2008b - detail 

 
Image Image
Annotated CCD Image
5 x 120s exposure (average combine), 2x2 binning, C Filter,
2008-01-06 06:14 hUT (#250045-49)		 Annotated CCD Image (250% size, cropped)
Image details as left
 

NGC 2770 (Lynx) with SN 2007uy
2007uy (Type 1b) was discovered 2007/12/31.669 by Yoji Hirose
Magnitude at discovery was  +17.2 (C filter). 
(Rochester Supernova site | Discovery Image | Reference Image)


Image below (2008-01-12.11) was taken 11.4 days after discovery. 
Estimated magnitude of 2007uy  is  +14.8 (C filter). 

NGC 2770 with SN 2007uy and possibly SN 2008D
2008D (Type 1c) was discovered 2008/01/11.42 
by Lick Observatory Supernova Search
Magnitude at discovery was  +17.5 (C filter). 
(Rochester Supernova site | Discovery Image | Reference Image)

Image below (2008-01-12.11) was taken 16.5 hours after 2008D discovery 
Object at position of 2008D  is too faint to measure a magnitude 
but it appears to be > +16.8 

Image Image
Annotated CCD Image
3 x 180s exposure (average combine), 2x2 binning, C Filter 
2008-01-12 02:39 hUT (#252431-35)		 Annotated CCD Image (200% size)
Image details as left

 
 

NGC 4490 with SN 2008ax (Canes Venatici)
2008ax (Type II) was discovered 2008/03/03.45 by LOSS; Koichi Itagaki
Magnitude at discovery +16.1 (C)
(Rochester Supernova site | LOSS Discovery Image
 | Itagaki Discovery Image | Reference Image)

Image below (2008-03-08.03) was taken 4.6 days after discovery.
Estimated Magnitude +15.2 (C)

 

NGC 4490 before SN2008ax
(Feb 2008)

 

Image

 Image

Annotated CCD Image
7 x 120s exposure (average combine), 2x2 binning, C Filter 
2008-03-08 00:48 hUT (#273136-42)

 Annotated CCD Image
7 x 120s exposure (average combine), 
2x2 binning, C Filter 
2008-02-14 04:00 hUT (#263704-10

  
Light Curve for BL Lac 
showing magnitude variation -  Nov 2007 to March 2008
Dataset comprising observations from 32 nights between 2007-11-15 and 2008-03-12
Note 0.5 mag brightening between 2008-02-19 & 2008-02-24, which seems to have lasted for 4-7 days.
Image 
   

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Moon

 

Moon - February 2008
(Phase 79.8%)
 Image
CCD Image Mosaic
0.11s exposure, 2x2 binning, B Filter
2008-02-16 22:24h UT (#265180-99)
 
Moon (NNW area)
Image
  CCD Image (75% scale)
0.2s exposure, 1x1 binning, B Filter
2008-02-23 00:54h UT (#266215)

 

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Planets

Saturn Moons

Image
Annotated CCD Image
30s exposure, 1x1 binning (cropped), C Filter
2008-02-16 22:47 hUT (#265216)

  

Saturn Moons / Hyperion
( Hyperion, mag +14.3, is normally difficult to image due to
 its relative faintness and bright glare from Saturn. 
Hyperion is just visible in this 60s exposure with contrast turned up )
Image
Annotated Negative CCD Image
60s exposure, 1x1 binning (cropped), C Filter
2008-02-16 22:49 hUT (#265217)

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Comets

 

Comet 8P/Tuttle  - Jan 2008
(passing through starfield in Andromeda)

Image
Approximate Colour CCD Image  (CBVR)
Luminance : av 3x 30s (C),
Red : av 3 x 30s (R), Green : av 3 x 30s (V), Blue : av 3 x 60s (B)
2008-01-07 19:56h UT (#251042-53)
     

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Asteroids / Minor Planets

2005 WJ56 passing through star field in Eridanus
2005 WJ56 is a 1.2km  diameter asteroid which passed by the earth on 
2008-01-10 at a distance of 10.9 lunar distance (LD). 
A sequence of images of 2005 WJ56 were recorded as it passed by.

Image showing motion over an 18 minute period
 Image
Annotated CCD Image 
30 x 30 sec, 2x2 binning, C Filter
2008-01-11 20:33 to 20:51hUT (#252176-205) 
   
2005 WJ56 
 Image
CCD Image 
(Image details as above)

 
1685 Toro passing through star field in Cetus
1685 Toro is a 6.2km  diameter asteroid which is passing by the earth on 2008-01-24
 at a distance of 76 lunar distance (LD). 
A short sequence of images showed its relatively rapid apparent motion.
Image
Stacked CCD Image (aligned on stars)
15 x 20s exposure (average combine), 2x2 binning, C Filter
2008-01-24 19:30hUT (#257067-81) 
   
1685 Toro - detail
Image
Stacked CCD Image (aligned on asteroid)
Image details as above
   

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This Web Page: Image Highlights - 2008
Last Updated : 2015-05-15
Site Owner : David Richards
Home Page : David's Astronomy Web Site