Onehouse Observatory

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Mars

Best sketches of 2003

 

2nd September 2003, 22.30 UT

CM 254, Ls 253, diameter 24.9 arc sec, altitude 20.0°

Helios Evostar 150mm achromatic refractor (f/16), 300x, filter #23a (light red). Seeing Ant. II, transparency 5/6

 

6th September 2003, 22.25 UT

CM 218, Ls 256, diameter 24.6 arc sec, altitude 20.3°

Helios Evostar 150mm achromatic refractor (f/8), 179x, filter #23a (light red). Seeing Ant. III, transparency 4/6

 

Best images of 2005

 

4th November 2005, 22.33 UT

CM 140, Ls 318, diameter 20.0 arc sec, altitude 50.5°, phase 99.9%. Seeing Ant III, transparency 5/6

Helios 150mm refractor at f/38, Baader Fringe Killer and Neodymium filters, ToUcam Pro. 700/1001 frames captured at 5 fps and 1/25th second

12th November 2005, 23.18 UT

CM 87, Ls 322, diameter 19.4 arc sec, altitude 53.5°, phase 99.8%. Seeing Ant II, transparency 3/6

Helios 150mm refractor at f/44, Baader Fringe Killer, ToUcam Pro. 700/1800 frames captured at 10 fps and 1/25th second

 

Best images of 2007

 
16th December 2007, 21.34 UT

CM 254, Phase 99.6%, Altitude 47°, Seeing IV, Transparency 3/6

Orion Optics OMC200 at f/40, DMK 21AF04.AS, Astronomik IR Pro (742nm). 1500/3000 frames captured at 15 fps

 
19th December 2007, 21.10 UT

CM 222, Phase 99.8%, Altitude 46°, Seeing IV, Transparency 3/6

Orion Optics OMC200 at f/40, DMK 21AF04.AS, Astronomik IR Pro (742nm). 1200/3000 frames captured at 15 fps