ETX-105 Astrophotography
Image Gallery Index
Sun Gallery Page 1, Whole Sun | Page 2, Sunspots

During the last week of October 2003, some of the largest sunspot groups seen in years have appeared on the face of the Sun.

I use a Scopetronix STSF105 thread-on, white light solar filter.
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Large sunspot group
Sunspot 10486

Sunspot group 10486, wide shot. In addition to the sunspots, the granules, caused by rising convection currents, can be clearly seen across the solar surface, especially in the upper right.

Telescope: Meade ETX-105 EC at f/14
Filter: Scopetronix STSF105
Camera: MI-1300 CMOS sensor
Image Processing: Composite/50 in Registax, Stretch contrast, False color

October 26, 2003
12:40pm PST
Sunspot group 10486
Sunspot 10486

Detail of sunspot 10486 cropped from the picture above.

Telescope: Meade ETX-105 EC at f/14
Filter: Scopetronix STSF105
Camera: MI-1300 CMOS sensor
Image Processing: Composite/50 in Registax, Stretch contrast, False color

October 26, 2003
12:40pm PST
Sunspot 10484
Sunspot 10484

Sunspot 10484, wide shot.

Telescope: Meade ETX-105 EC at f/14
Filter: Scopetronix STSF105
Camera: MI-1300 CMOS sensor
Image Processing: Composite/47 in Registax, Stretch contrast, False color

October 26, 2003
12:37pm PST
Sunspot group 10484
Sunspot 10484

Detail of sunspot 10484 cropped from the picture above.

Telescope: Meade ETX-105 EC at f/14
Filter: Scopetronix STSF105
Camera: MI-1300 CMOS sensor
Image Processing: Composite/47 in Registax, Stretch contrast, False color

October 26, 2003
12:40pm PST

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