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Last update: 2017-06-28

VdS FG

- Planetary Nebulas (Ori) -

And (1) Cep (8) Dra (2) Lep (1) Peg (2) Tau (1)
Aql (17) Cet (1) Eri (1) Lyn (1) Per (4) UMa (1)
Aqr (2) Cnc (1) Gem (3) Lyr (3) Pup (2) Vul (3)
Aur (1) Crv (1) Her (5) Mon (1) Sct (2)
Cam (1) Cyg (19) Hya (1) Oph (1) Sge (3)
Cas (5) Del (3) Lac (1) Ori (2) Sgr (3)

Abell 12 (PN)

DSS
© DSS II (red) - 5×5'
Name: Abell 12, PK198-6.1
Type: PN
Constellation: Ori
Coordinates: 06h02m20.05s / +09°39'14.1"
Brightness / Size: v13.9 mag / 0.6×0.6'
120mm f/5, 75x + [OIII], Bortle 4, SQM-L 21.1
SQM-L 20.6: Not evident, rather faint, round. Brightness at the edge slightly declines, otherwise the nebula appears evenly bright.

MODERATE
8" f/6, 96x + [OIII], Bortle 4-
Filter highly recommended, otherwise the bright 4.12m mu Ori in a distance of less than 1 arcminute will outshine the nebula. With [OIII] filter well seen with averted vision, round, evenly bright.
MODERATE

NGC2022 (PN)

DSS
© DSS II (blue) - 5×5'
Name: NGC2022, H4.34, Collarbone Nebula
Type: PN
Constellation: Ori
Coordinates: 05h42m06.20s / +09°05'10.3"
Brightness / Size: v11.6 mag / 0.65×0.65'
Bright and easy to find. The surname comes from its location in the constellation Orion.

80mm f/6.25, 41x + UHC, Bortle 6, NELM 5.0, SQM-L 19.4
At 41x only visible with filter, round, evenly bright, small. At 62x without a filter barely seen with averted vision.

MODERATE
8" f/6, 100x, Bortle 4, NELM 6.0, SQM-L 20.9
Roundish, evenly bright, well defined shape. Barely visible with direct vision. Filter (UHC or [OIII]) helps. At 171x the planetary appeared slightly oval.
EASY