New Scope William Optics ZS 66 APO

William Optics Zenith Star 66 APO
I bought this second-hand telescope for some astrophotography and guiderscope purposes. Build quality of scope is excellent. I also like microfocuser because it´s smooth and precise.

Some specifications:
Aperature 66mm
Focal ratio F/5.9
Focal length 388mm
Tube length 300mm Fully Retracted, 360mm Fully Extended

Midnight NLC Timelapse

Koostin 3.8.2010 kuvatuista valaisevista yöpilvi -kuvista timelapsevideon. Video koostuu n.340 erillisestä kuvasta ja
panorointi on suoritettu käsin valotusten välissä.
Maasta noussut kosteus huurrutti linssin ja kesteytin kuvaukset

Camera: Canon 30D
Optics: EF 17-40 f/4L @17mm
Mount: Manfrotto 055
Exposures: 3,2s, ISO400, f/5.0-7.1
Interval: 13sec

Noctilucent Clouds

After sunset 2.-3.8.2010 in the northern sky appeared bright NLC.
Noctilucent Clouds (NLC) are the highests clouds in the Earth´s atmosphere, located in the mesosphere at altitudes of around 76 to 85 kilometers. They are made of crystals of water ice.