ETX-105 Astrophotography
 Image Gallery Index
Globular clusters are great deep sky objects for the smaller telescopes.
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M5
 M5
One of the brightest globular clusters, visual magnitude 5.8. Composite of 53 (out of 230) 40-second exposures. Click image for large version.

Telescope: Meade ETX-105 EC at f/7.5
Camera: MI-1300 CMOS sensor
Image Processing: Composite in Registax, Stretch contrast in GIMP

May 2, 2004
M3 - Click to Enlarge
 M3
One of the objects that inspired Messier to create his catalog. Visual magnitude 6.3. Composite of 60 (out of 282) 40-second exposures. Click image for large, color version.

Telescope: Meade ETX-105 EC at f/7.5
Camera: MI-1300 CMOS sensor
Image Processing: Composite in Registax, Stretch contrast, Unsharp mask in GIMP

May 7, 2004
M13
 M13
Hercules Cluster

The great globular cluster in Hercules. Magnitude 5.9. Composite of 129 (out of 311) 40-second exposures. Click image for large, full color view. Note the lone bright blue star on the SE edge.

Telescope: Meade ETX-105 EC at f/7.5
Camera: MI-1300 CMOS sensor
Image Processing: Composite in Registax, Convert to B&W, Stretch contrast, Unsharp Mask

May 13, 2004
M92
 M92
Another great, but more compact globular in Hercules. Magnitude 6.4. Composite of 63 (out of 300) 40-second exposures. Color capture converted to B&W.

Telescope: Meade ETX-105 EC at f/7.5
Camera: MI-1300 CMOS sensor
Image Processing: Composite in Registax, Adjust levels, Stretch contrast, Unsharp Mask in GIMP

May 30, 2004
M53
 M53
A dimmer (magnitude 7.6) globular cluster. Composite of 40-second exposures. Full color.

Telescope: Meade ETX-105 EC at f/7
Camera: MI-1300 CMOS sensor
Image Processing: Composite in Registax, Adjust levels, Stretch contrast

February 12, 2004
M13
 M13
Hercules Cluster

The great globular cluster in Hercules. (This was my first deep sky photo that showed the object.) Composite of 34, 10-second exposures.

Telescope: Meade ETX-105 EC at f/7
Camera: MI-1300 CMOS sensor
Image Processing: Composite/34 in Registax, Convert to B&W, Stretch contrast

August 26, 2003 9:42pm PDT

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