Images taken on Meade LX-50 telescope using SBIG ST-7 camera

Jupiter
Average of 20 exp of 0.1 s

Saturn
Average of 16 exp of 0.1 s

M51 Whilrpool Galaxy
Exposure = 1000 s

M64 Blackeye Galaxy
Average of 11 exp of 25 s

M81 Bode's Galaxy
Exposure = 250 s

M82 Exploding Galaxy
Exposure = 100 s

M104 Sombrero Galaxy
Average of 22 exp of 10 s

Mosaic of 6 images taken through a Meade LX-50 telescope.

The exposure of each image was 0.1 s.

The mosaic was constructed using the image processing application Image SXM.

Images taken with SBIG ST-7 camera and 28-200 mm SLR zoom lens

M42 Great Nebula in Orion
Average of 10 exp of 100 s

Horsehead Nebula in Orion
Average of 20 exp of 50 s

Specification of Meade LX-50 telescope

  • Mirror diameter = 200 mm
  • Focal length = 2000 mm
  • Focal ratio = f/10

Specification of SBIG ST-7E CCD camera

  • CCD chip resolution = 768 x 512
  • Pixel size = 9 x 9 microns
  • Typically cooled to -25 C

Steve Barrett    June 2003

S.D.Barrett@liv.ac.uk

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