Nebulae - Event Horizon

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Most viewed - Nebulae

NGC281 - PacMan Nebula, narrowband version671 viewsA narrowband version of the PacMan, obtained with a one-shot color CMOS camera and an IDAS NBZ nebula enhancement filter, with H-alpha mapped to red and O-III to blue.

NGC1499 - The California Nebula, narrowband version 670 viewsA more conventional narrowband rendition of the California Nebula, mapping H-alpha to gold and O-III to blue

Sh2-290 - Planetary Nebula in Cancer670 viewsAlso known as Abell 31 and PK 219+31.1. Ancient planetary nebula, about 2000 light-years away, one of the largest in the sky but very dim.

Sharpless2-313 - Planetary Nebula in Hydra669 viewsAbout 400 light-years away. Also known as Abell 35 or PN G303.6+40.0.

IC405 - The Flaming Star Nebula in Auriga668 viewsNarrowband view of an emission and reflection nebula in the constellation Auriga north of the celestial equator, surrounding the bluish, irregular variable star AE Aurigae. About 1500 light-years away.

Sharpless2-9 - Emission nebula in Scorpius667 viewsThere is also an area of reflection nebula (blue) around the star Sigma Scorpii, but the processing of this version doesn't reveal it very well. The globular cluster M4 is also in the field of view.

IC2118, the Witch Hunt Nebula667 viewsFaint reflection nebula in Eridanus, usually known as the Witch Head Nebula, but it doesn't look much like a witch's head in this view, shot with an IDAS NBZ nebula enhancement filter, so maybe this version is best titled the "Witch Hunt Nebula." About 900 light-years away; illuminated by the nearby supergiant blue-white star Rigel in Orion.

Sharpless 2-82 - The Little Cocoon nebula in Sagitta664 viewsAlso known as the Little Trifid Nebula, LBN 129 and DG 159. Ionized by the B0.5V star HD 231616.

NGC 7023 - the Iris Nebula in Cepheus663 viewsA bright reflection nebula in the constellation Cepheus, about 1300 light-years away. Actually NGC 7023 is the star cluster inside the nebula, which is properly designated LBN 487.

IC2177 - The Parrot Nebula663 viewsUsually known as the Seagull Nebula, but to me it looks more like a parrot. An HII region lying along the border between Canis Major and Monoceros.

NGC7000 - The North American Nebula662 viewsNarrowband image of an H-II emission nebula in the constellation Cygnus; only part of the nebula is visible since it is too large to fit entirely in the field of view of the telescope. 2,590 light-years distant and 90 light-years across.

NGC6960 - The Western Veil Nebula662 viewsPart of the Cygnus Loop, a supernova remnant in Cygnus. Also known as the Witches’ Broom.

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Event Horizon - Astronomical and Terrestrial Images