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Lesson Tag: Spring

NGC 2903, Galaxy in Leo

Target Type R. A. Dec. Constellation Magnitude Size NGC 2903 Mixed Spiral Galaxy 09h 32m 10s +21° 30′ 06″ Leo +8.8 11.9 x 5.3 arcmins Overview We’re finishing our Leo galaxy-fest with this beautiful little world near the head of the Sickle asterism. Yet another William Herschel discovery, this galaxy was first viewed through a …

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M105 and Leo I Galaxies

Target Type R. A. Dec. Constellation Magnitude Size M105 Elliptical Galaxy 10h 47m 50s +12° 34′ 54″ Leo +9.3 4.9 x 4.3 arcmins NGC 3384 Elliptical Galaxy 10h 48m 17s +12° 37′ 46″ Leo +9.9 5.2 x 2.4 arcmins NGC 3389 Spiral Galaxy 10h 48m 28s +12° 31′ 59″ Leo +12.0 2.7 x 1.2 arcmins …

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Interacting Galaxies in Leo

Target Type R. A. Dec. Constellation Magnitude Size NGC 3226 Elliptical Galaxy 10h 23m 27s +19° 53′ 55″ Leo +11.4 3.1 x 2.3 arcmins NGC 3227 Spiral Galaxy 10h 23m 31s +19° 51′ 54″ Leo +10.7 4.0 x 1.9 arcmins Overview After challenge #1, you should have your ‘eye in’ for seeing galaxies, so we’ll …

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M83, Southern Pinwheel Galaxy

Target Type R. A. Dec. Constellation Magnitude Size M83 Spiral Galaxy 13h 37m 01s -29° 51′ 56″ Hydra +7.1 13.6×13.2 arcmin Overview In this challenge, we’re hunting for M83, which is a beautiful, archetypal, spiral galaxy. The brightest galaxy in the snake constellation is also known as the Southern Pinwheel Galaxy, and is located a …

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