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Lesson Tag: Sagittarius

Omega Nebula M17

Target Type R. A. Dec. Constellation Magnitude Size Omega Nebula Diffuse Nebula 18h 20m 48s -16° 11′ 00″ Sagitarius +6.0 46.0′ x 37.0′ Overview After the Orion nebula, the Omega nebula is the brightest nebula visible to those of us living in mid-northern latitudes. Also known as the Swan, Horseshoe, or Lobster Nebula, this object …

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The Crescent Nebula, NGC 6445

Target Type R. A. Dec. Constellation Magnitude Size Crescent Nebula Planetary Nebula 17h 50m 06s -20° 21′ 56″ Sagitarius +10.9 0.6′ x 0.5′ Overview The first two challenges this month are relatively easy, so I thought I’d balance things out with a trickier observing challenge. The crescent nebula can be glimpsed with smaller scopes under …

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