Archive for September, 2009
Mars on Sept. 29, 2009
by Vern on Sep.29, 2009, under Astronomy, Planetary
Below image on the left is of Mars at 5:11 mdt this morning. Its now only 6.6 arc sec across — only about 40 pixels across even at F25 (fl 7000mm). Some features are visible, Syrtis Major and Mare Tyrrehenum form the “check mark” shape. North polar cap faintly visible? (North approximately up, east to the left in the image).
Celestron Nexstar 11 telescope, Televue 2.5X Powermate, DMK 21AU04.AS video camera (monochrome), 1/110 sec, 60 fps, aligned and stacked with Registax5. Sky partly cloudy, temperature 45 deg. F, 3-5 mph wind, transparency good, turbulence about 5/10, location Louisville, CO.
Sky this Week for Sept. 27 to Oct. 3, 2009
by Vern on Sep.28, 2009, under Sky this Week, Video
Moon on Sept 25 – lunation 7.3
by Vern on Sep.26, 2009, under Astronomy, Lunar
Image of the moon from Friday, Sept. 25 at 8:32 pm mdt (lunation 7.3).
Taken with Celestron Nexstar 11, F6.3 focal reducer, and Cannon Xti camera 1/250 sec shutter, ISO 400. Clear, turbulence 5/10, 5-10 mph wind, transparency very good. Location Louisville, CO. Aligned and stacked with Registax5, enhanced with Photoshop CS4.
Sky this Week Sept. 20 to 26, 2009
by Vern on Sep.21, 2009, under Sky this Week, Video
