Antilhue - Chile

Moon on 13.02.2005
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Image Data

Designation Moon
Object type Moon
Coordinates at time of observation 01 h 55 min   +13° 15'
Object data Phase: 29.9%   -    Apparent angular size: 31'04"   -   Altitude:  34° 25' above the horizon.
Description North is up in this single shot image of the crescent moon. This image was rotated: in the southern hemisphere the appearance of waxing and waning moon is inverted.
Exposure Ha 0.4 s @  -13° C,   best frame of 10 exposures
Camera SBIG STL-11000 CCD camera with Astronomik 13nm H-Alphe filter
Optics RCOS 14.5" Ritchey-Chrétien at prime focus (f/9)
Mount Astro-Physics 1200GTO, unguided
Software MaximDL/CCD
Adobe Photoshop CS
Location - Date - Time San Esteban (Chile)  -  13Feb2005 - 23:11 UTC
Conditions Transparency 7,  Seeing 6, Temperature +18°C