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Lesson Tag: Spring

M59 & M60, Elliptical Galaxies

Target Type R. A. Dec. Constellation Magnitude Size M59 (NGC 4621) Elliptical Galaxy 12h 42m 02s +11° 38′ 50″ Virgo +9.6 4.5×3.2 arcmin M60 (NGC 4649) Elliptical Galaxy 12h 43m 40s +11° 33′ 10″ Virgo +8.8 6.8×5.5 arcmin Overview We’re tackling these two galaxies together because they are so close to each other that we …

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M49, Elliptical Galaxy

Target Type R. A. Dec. Constellation Magnitude Size M49 (NGC 4472) Elliptical Galaxy 12h 29m 46s +07° 59′ 59″ Virgo +8.3 10.2×8.4 arcmins Overview This massive elliptical galaxy is near the center of the Virgo Coud of galaxies which itself lies at the heart of the Virgo Cluster. It is the brightest galaxy galaxy in …

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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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