Challenge #4 – Barred Dwarf Galaxy, NGC 4449 (Caldwell 21)
Target Type R. A. Dec. Constellation Magnitudes Size Owl Nebula Planetary Nebula 11h 14m 46s +55° 00′ 59″ Ursa Major +9.80 3.4 x 3.3 arcmin Overview This bright nebula in the ever-present form of Ursa Major – famed for its Big Dipper asterism – is called the Owl Nebula because of its reminiscence of an …
Challenge #4 – Barred Dwarf Galaxy, NGC 4449 (Caldwell 21) Read More »