Antilhue - Chile

Jupiter on 26.01.2003
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Image Data

Designation Jupiter
Object type Outer planet
Description My first attempt at planetary work to get a feel for image scale, exposure times, etc. The jovian day lasts less than 10 hours, so all individual exposures must be taken within 2-3 minutes to avoid blurring due to rotational movement. Jupiter's apparent equatorial diameter was 45.4 arcseconds covered by 220 pixels on the ST-10XE chip. This experience showed that planetary work needs different processing software and skills.
Exposure L 0.1 s @ -15C, average of 7 selected exposures
Camera SBIG ST-10XE + SBIG CFW-8 + Astronomik IR-reject clear filter
Optics Astro-Physics AP155EDFS + projection by Baader FFC to approx. f/44
Mount Astro-Physics AP1200GTO
Software MaxIm DL/CCD, CCDOPS, AIP4WIN, Adobe Photoshop 6.0
Location - Date - Time San Esteban (Chile) - 26Jan2003 - 04:30 UTC
Conditions Transparency 6,  Seeing 5, Temperature +17C