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Old 01-02-2011, 11:35 PM
mongol01 (Tim)
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Join Date: Dec 2010
Location: Tara Queensland Australia
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Arrow Basic Setup for GEM

I have read the article by Trevor Hand on setting up a GEM, very informative, but he spent a lot of time on setting up the goto system. I have purchased a cheap ebay 114x1000 scope, and while limiting my viewing to only a fraction of what you guys with the better setups see, I intend to be able to use this thing properly, despite the quality! So far orienting the scope by observing sigma octanis is not an option, bad viewing, or just not possible with this gear. Will have to use the compass method. I know what right ascension is and declination, have set the lat. on the mount. My RA has to be set doesn't it? The dial moves around, not freely, like spinning, but you can move it. If I decide to view something within the meager range of this scope and use a star chart, I need declination and RA. I have aligned the finder scope to the main tube. i think I will get pretty bored gazing at the moon after a while. Any advice much appreciated.
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Old 02-02-2011, 09:01 AM
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mangrovedutch (Dutch)
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Join Date: Jan 2011
Location: North Maclean, Qld
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G'day Tim, Have a look at the Projects & Articles, where the subject is covered fairly extensively. If that doesn't help try Ozscopes, Astro shop and Astronomy forum dot com (go to the Australian section) and they describe how to get SCP really well. Be aware of the Magnetic variations when using a compass (about 11.8 degrees East when looking North). There is a difference between true South and magnetic South.

Regards, Dutch
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