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Thursday, July 23, 2009

Measuring the drift of a telescope mount


This is the drift of a telescope mount as recorded by WCS (Special edition for DBK Cameras). The spikes are due to bad local seeing.

Tuesday, July 21, 2009

The double star Gamma Andromeda


..just 20 minutes ago! I've used a DBK21 webcam at 2415mm focal length (f/29) to capture this photo of Almach.

Sunday, July 19, 2009

Setup PEMPro with AstroDigital.Net

PEMPro is a state-of-the-art software to measure/optimize the periodic error of telescope mounts. Initially during its setup some parameter values concerning the used telescope/camera are required. AstroDigital.Net -the free telescope calculator- can deliver them (see screenshot below)!

Monday, July 13, 2009

Vixen GP/DX - A high quality telescope mount

This is one of the most popular telescope mounts ever produced. The high quality Vixen GP-DX is designed to carry over 10 kg of photographic equipment. It is really portable and it is designed to work for a lifetime. It is made in Japan.

Saturday, July 11, 2009

a Scorpius in Greece ;-)

Scorpius is one of the most impressive constellations of the greek summer sky.
Panagiotis used a Nikon Coolpix 4500 (30sec @ ISO 1600) in a site near Athens/Greece to make this photo.