April 2008

available March 27th

 

 

In this issue:

Deconvolution - Sharper or Artefacts?
Used properly, deconvolution can sharpen astro-photos - but is it sharp or is it an artefact?

At the Zenith

We have an in depth look at the constellation of Coma Berenices
See the Phases of Mercury
Late April and early May offers an excellent opportunity to follow the phases of Mercury
Observing Planetary Nebula
The gas shells cast off from dying stars are suitable for all telescopes
A 10 inch f/26 Cassegrain
A home made long focal length telescope ideal for planetary observing
Readers Gallery
Your glorious backyard astro-photos
Limb Darkening, Faculae, Granulation and the Chromoshperic Network
What are they and how to observe them
Your Letters
Got something to say?  This is the place to air your views.
Look North/Look South
The month ahead
Close Approach 'Asteroid' is Rosetta
Spacecraft is temporarily assigned an asteroid designation.