Caldwell

NGC 2392, Clown Face Nebula in Gemini

Target Type R. A. Dec. Constellation Magnitude Size NGC 7092 (Caldwell 39) Planetary Nebula 07h 29m 11s +20° 54′ 37″ Gemini 9.19 0.8×0.7 arcmins Overview This is a tough challenge for any scope. Not to see it as a star – it’s bright and shows up in all scopes – but to observe the nebulosity. …

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The Box Galaxy, NGC 4449 (Caldwell 21)

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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