David's Astronomy Pages (Image Gallery) Image Highlights - 2003

Highlights 2002

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Highlights 2004

Shown below are some of my favourite CCD images from 2003.  They are taken using a ST-7E camera through an 8" LX200

	| Stars | Clusters | Nebulae | Galaxies | Planets | Asteroids |

Stars

Struve 817 (Orion) Star Pair, Mag 8.8 and 8.9, separation 18"

CCD Image 20s exposure 2003-01-17, 22:38h UT (#39002)

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 Clusters

NGC 6802 Open Cluster (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

M15 Globular Cluster (Pegasus)

CCD Image,  10s exposure 2003-07-13  00:49h UT (#45057) 11.4 x 7.6 arc mins

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Nebulae

NGC 2392 / PLN 197+17.1 (Gemini)  Planetary Nebula (Eskimo or Clown Face Cluster) Detailed view  (diameter of planetary nebula is 45 arc secs)

Portion of CCD image,  3 x 60 sec exposure 2003-01-24  00:21 to 00:25h UT (#41285-87) 5.2 x 4.3 arc mins

M57  (Lyra)

CCD image,  10 x 30 sec exposures (summed) 2003-08-03  00:56 to 01:05 h UT (#47146-55) 4.5 x  3.8 arc mins

M16  (Eagle Nebula in Serpens Caput)

CCD image,  5 x 120 sec exposures (summed) 2003-08-02  22:37- 22:47 h UT (#47035-39) Altitude 24 deg 11.4 x 7.6 arc mins

NGC 2261  Hubble's Variable Nebula (Monoceros) GCVS R Mon  - INa Variable

CCD image,  5 x 60 sec exposure 2003-01-24  00:01  to 00:06h UT (#41267-71) 11.3  x 7.6 arc mins

M17  (Swan Nebula,  Serpens Caput)

CCD image,  24 x 20 sec exposures (median) 2003-08-02  22:57 to 23:09 h UT (#47043-67) Object lying at altitude 21 deg 11.4 x 7.6 arc mins

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Galaxies

Deer Lick Group  (in Pegasus) comprising NGC 7331 (catalog mag +10.3 ),  NGC 7335 (+14.3), NGC 7337 (+15.2)

CCD image,  7 x 300 sec exposures (average combine) 2003-08-08  23:41 to 2003-08-09  00:25 h UT (#50026-35) 11.4 x 7.6 arc mins

NGC 708 (Andromeda) NGC 708 (catalog mag +13.7), NGC 703 (catalog mag +14.2), NGC 705 (catalog mag +14.6),  NGC 704 (catalog mag +14.1), CGCG 522-33 (catalog mag +15.5)

CCD Image, 41 x 20 sec exposure (average) 2003-12-07  23:34 to 23:56h UT (#55078-118) arc sec

Negative

CCD Image details as above

NGC 7320 Galaxy Cluster (Stephan's Quintet, Andromeda)

CCD Image, 10 x 20 sec exposure (median) 2003-10-17  22:12 to 22:17h UT (#53131-40)

M108 Spiral Galaxy (Ursa Major)

CCD Image, 5 x 30 sec exposure (summed) 2003-12-08  00:34 to 00:40h UT (#55260-69) 11.6 x 7.8 arc sec

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Planets

Mars  (processed to show surface features)

CCD Image,  3 x 0.12s exposure,  (average combined, unsharped masked, sharpened) 2003-07-13  02:46h UT (#45147-49)

Mars - close to Opposition (phase 99.6%, 25.0 arc min diameter)

2003-08-23  00:32:04 h UT  0.25 sec exposure  (#52117)

8" SCT operating at F/29 through eyepiece projection Unfiltered. Images unsharp masked. Image Scale 0.31 arc sec/pixel  (equivalent to surface scale of 85 km/pixel)

Jupiter ( Io and Ganymede are just visible)

CCD image,  0.1s exposure, Unsharp-Masked 2003-01-24 00:45h UT (#41314) 3.5 x 2.0 arc mins

Saturn

CCD image,  0.1s exposure, Unsharp-Masked 2003-01-24 01:04h UT (#41360)

Pluto   (marked by cross-hair)

CCD Image,  7 x 10s exposure (median) Altitude 20deg. 2003-07-13  00:00h UT (#45031-37)

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Asteroids/Minor Planets

216 Kleopatra

CCD Image,  105 x 20s exposures (summed) Exposures at approximately 1min 7sec intervals.  The white steak records 58 arc sec motion of the  minor planet over a period of 1 hr 56 min (= 30 arc sec/hour) The image records stars down to Mag +16 (2003-08-12  22:56h to 2003-08-13 00:52h UT (#51041- 45147) (See Animated Sequence of CCD Images - 10 minute intervals, 0.4 MB)

Composite montage, showing rapid (15.4 arc min/hour) movement of Illapa  through starfield in Aquarius over 2 hours (click on image to see at full size 0.4 MB)

CCD images,  60 sec exposures (unfiltered) 2003-08-13  01:02 to 03:04h UT (#51152, 173, 199, 224, 242, 260) 11.4 x 7.6 arc mins

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