Astrophotography by Philipp Salzgeber

 

 

Philipp
Salzgeber

Wolfurt / Austria

M57 - the ring nebula

Astrophotography by Philipp Salzgeber
M57, the ring nebula

Telescope:
Vixen R130S, 5.1" Newton Telescope on Super Polaris GEM, 20mm eyepiece, 2x Barlow
Camera
Nikon Coolpix 4500 digital camera, f:17.8mm
Exposure:
8 x ~20sec, Noise reduction
Date:
2002-09-06
Processing:
Stacking
Comments:
With the cable release the tracking is much better.
I used a Barlow lens and zoomed to 17.8 mm to enlarge the ring nebula.
On the top border you can see a soft glow which is a result of the CCD chip. It is much reduced by the Noise reduction, but still visible...

Astrophotography by Philipp Salzgeber
M57, the ring nebula

Telescope:
Vixen R130S, 5.1" Newton Telescope on Super Polaris GEM, 20mm eyepiece
Camera
Nikon Coolpix 4500 digital camera
Exposure:
2 x 27sec, Noise reduction
Date:
2002-08-18
Processing:
Averaging of the two exposures, Levels
Comments:
I hope to improve on the guiding accuracy, the first step is a cable release to literally get my hand off the scope during the exposure...
 


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