Type | Planetary Nebula |
---|---|
Magnitude | 8 |
Size | 4' x 3.8' |
Right Ascension | 0h 47' 3.4" (2000) |
Declination | 11° 52' 19" S |
Constellation | Cetus |
Classification | 3b |
Andrew Cooper
Dec 5, 2020 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 6 Transparency: 7 Moon: 0%
Large, a notable nebula encompasing at least four 11-12th magnitude stars, no color noted, no structure noted, the central BD-12 134 is easily visible at magnitude 11.8, about 5' in diameter, low surface brightness makes more magnification unusable, averted vision helps
Andrew Cooper
Jul 30, 2020 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 61x
Seeing: 7 Transparency: 6 Moon: 0%
Good sized and easy to spot, 4' across, several 11-12th magnitude stars involved, the central star BD-12 134 is quite visible at 11.8 magnitude, no annular structure, overall shape indistinct beyond a general round outline, no color noted
Andrew Cooper
Sep 28, 2003 Las Cienegas NCA, Pima Co., AZ (map)
46cm f/4.5 Deep Violet
Sublime! Large! A beautiful ring with interior detail and several involved stars, a bright star at the center, OIII required to see any detail
18 Ceti | HD 4730 | IC 41 |
IC 47 | IC 51 | IC 56 |
IC 58 | NGC 217 | NGC 255 |
NGC 263 | NGC 283 | NGC 284 |
NGC 285 | NGC 286 | |
Phi2 Ceti |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
A complete list of credits and sources can be found on the about page