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NGC 6302 (also known as the Bug Nebula, Butterfly Nebula, or Caldwell 69) is a bipolar planetary nebula in the constellation Scorpius. The structure in the nebula is ...
Caldwell number NGC number Common name Image Type Distance (1000 ly) Constellation Apparent magnitude; C1 NGC 188: Polarissima Cluster: Open Cluster: 4.8 Cepheus: 8.1 C2 NGC 40: Bow-Tie Nebula: Planetary Nebula: 3.5 Cepheus: 11 C3 NGC 4236 Barred Spiral Galaxy: 7,000 Draco: 9.7 C4 NGC 7023: Iris Nebula: Open Cluster and Nebula: 1.4 Cepheus: 7 ...
The Rosette Nebula (also known as Caldwell 49) is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter.
Sh 2-155 (also designated Caldwell 9, Sharpless 155 or S155, or LBN529) is a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity. It is widely known as the Cave Nebula, though that name was applied
NGC 3132 (also known as the Eight-Burst Nebula, [2] the Southern Ring Nebula, [2] or Caldwell 74) is a bright and extensively studied planetary nebula in the constellation Vela. Its distance from Earth is estimated at 613 pc or 2,000 light-years .
NGC 3195 (also known as Caldwell 109) is a planetary nebula located in the southern constellation of Chamaeleon.Discovered by Sir John Herschel in 1835, [3] this 11.6 apparent magnitude [3] planetary nebula is slightly oval in shape, with dimensions of 40×35 arc seconds, and can be seen visually in telescopic apertures of 10.5 centimetres (4.1 in) at low magnifications.
NGC 6826 (also known as Caldwell 15) is a planetary nebula located in the constellation Cygnus. It is commonly referred to as the "Blinking Planetary", although many other nebulae exhibit such "blinking". When viewed through a small telescope, the brightness of the central star overwhelms the eye when viewed directly, obscuring the surrounding ...
IC 405 (also known as the Flaming Star Nebula, SH 2-229, or Caldwell 31) is an emission and reflection nebula [1] in the constellation Auriga north of the celestial equator, surrounding the bluish, irregular variable star AE Aurigae. It shines at magnitude +6.0. Its celestial coordinates are RA 05 h 16.2 m dec +34° 28′. [2]