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Lesson Tag: Gemini

Double Stars in Gemini

Target Type R. A. Dec. Constellation Magnitude Separation* Alpha Geminorium Double Star 07h 34m 36s +31° 53′ 18″ Gemini 1.6 and 3.0 5.2″ at 54° Eta Geminorum Double Star 06h 16m 53s +22° 30′ 24″ Gemini 3.3 and 6.2 1.6″ at 251° e Geminorum Double Star 06h 54m 39s +13° 10′ 34″ Gemini 4.7 and …

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Open Cluster M35

Target Type R. A. Dec. Constellation Magnitude Size M35 Open Cluster 06h 08m 54s +24° 20′ 00″ Gemini +5.09 40.0 arcmins Overview Our first challenge of the month is to see a pretty globular cluster situated 2,500 light-years from Earth. First viewed by Philippe Loys de Cheseaux in 1745, the cluster was cataloged by Charles …

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