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Last update: 2019-03-13

VdS FG

- Planetary Nebulas (Ori) -

And (1) Cep (9) Del (3) Lac (4) Ori (4) Sgr (3)
Aql (22) Cet (1) Dra (2) Lep (1) Peg (2) Tau (1)
Aqr (2) Cnc (1) Eri (1) Lyn (1) Per (4) UMa (1)
Aur (2) Com (1) Gem (3) Lyr (5) Pup (2) Vul (3)
Cam (2) Crv (1) Her (6) Mon (1) Sct (2)
Cas (11) Cyg (20) Hya (2) Oph (1) Sge (4)

Abell 10 (PN)

DSS
Image source: DSS I - 5×5'
Name: Abell 10, K1-7, PK197-14.1
Type: PN
Constellation: Ori
Coordinates: 05h31m45.50s / +06°56'01.58"
Brightness / Size: v15.2 mag / 0.6x0.6'
152mm f/5.9, 129x + UHC, Bortle 6, SQM-L 19.2 FAILED

Abell 12 (PN)

DSS
Image source: DSS II (red) - 5×5'
Name: Abell 12, PK198-6.1
Type: PN
Constellation: Ori
Coordinates: 06h02m20.05s / +09°39'14.09"
Brightness / Size: v13.9 mag / 0.6x0.6'
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
152mm f/5.9, 100x + [OIII], Bortle 6-, SQM-L 19.2
Faint, roundish, evenly bright. Slightly outside of the halo of mu Ori.

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

Jonckheere 320 (PN)

DSS
Image source: DSS I - 5×5'
Name: Jonckheere 320, PK190-17.1
Type: PN
Constellation: Ori
Coordinates: 05h05m34.28s / +10°42'22.92"
Brightness / Size: b12.9 mag / 0.1x0.1'
152mm f/5.9, 129x, Bortle 6, SQM-L 19.2
At 33x stellar and well visible with averted vision. At 129x seen as a fuzzy 'star', at 225x obviously non-stellar, but still very compact.
EASY

NGC2022 (PN)

DSS
Image source: DSS II (blue) - 5×5'
Name: NGC2022, H4.34, Collarbone Nebula
Type: PN
Constellation: Ori
Coordinates: 05h42m06.20s / +09°05'10.30"
Brightness / Size: v11.6 mag / 0.7x0.7'
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