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Lesson Tag: Caldwell

Challenge #4 –

Target Type R. A. Dec. Constellation Magnitudes Size NGC 4449 (Caldwell 21) Irregular Barred Dwarf Galaxy 12h 28m 11s +44° 05′ 37″ Canes Venatici +9.15 4.7 x 2.7 arcmin Overview The Box Galaxy fooled astronomers for 150 years into thinking it was a nebula. When you see the image below, it’s hard to imagine that …

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