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Last update: 2017-09-24

VdS FG

- Open Clusters & Asterisms (Ori) -

And (3) Cep (23) Cyg (23) Lyr (2) Sct (4) Vir (1)
Aql (7) CMa (3) Del (1) Mon (7) Ser (2) Vul (8)
Aqr (1) CMi (1) Dra (1) Oph (3) Sge (1)
Aur (6) Cnc (3) Gem (8) Ori (11) Sgr (5)
Cam (4) Com (1) Her (3) Peg (1) Tau (6)
Cap (1) Crv (1) Hya (1) Per (13) Tri (1)
Cas (21) CVn (1) Lac (6) Pup (6) UMi (1)

Berkeley 21 (OC)

DSS
© DSS II (blue) - 8×8'
Name: Berkeley 21
Type: OC
Constellation: Ori
Coordinates: 05h51m45.00s / +21°48'30.00"
Brightness / Size: v11.1 mag / 3.5x3.5'
8" f/6, 80x, Bortle 4-, SQM-L 20.8
Quite faint, roundish, slightly condensed. I will observe this cluster again to ensure this sighting.
DIFFICULT

Berkeley 22 (OC)

DSS
© DSS II (blue) - 5×5'
Name: Berkeley 22
Type: OC
Constellation: Ori
Coordinates: 05h58m27.00s / +07°45'30.00"
Brightness / Size: - / 2.0x2.0'
8" f/6, 150x, Bortle 4-, SQM-L 20.8
SQM-L 20.4: Difficult to hold. Very faint, rather compact brightening. I will observe this cluster again to ensure this sighting.
DIFFICULT

Berkeley 72 (OC)

DSS
© DSS II (blue) - 8×8'
Name: Berkeley 72
Type: OC
Constellation: Ori
Coordinates: 05h50m13.00s / +22°15'00.00"
Brightness / Size: - / 5.0x5.0'
8" f/6, 150x, Bortle 4-, SQM-L 20.8
I only saw 3 stars with averted vision. But I'm not sure if they are members of the cluster.
DIFFICULT

Dolidze 17 (OC)

DSS
© DSS II (blue) - 20×20'
Name: Dolidze 17
Type: OC
Constellation: Ori
Coordinates: 05h22m12.00s / +07°06'00.00"
Brightness / Size: - / 12.0x12.0'
8" f/6, 37x, Bortle 4+, NELM 6.0+, SQM-L 21.1
SQM-L 20.4: Slightly evident group of 5 brighter stars. Hardly recognizable as cluster.
EASY

NGC1662 (OC)

DSS
© DSS II (blue) - 20×20'
Name: NGC1662, H1.7
Type: OC
Constellation: Ori
Coordinates: 04h48m27.00s / +10°56'12.00"
Brightness / Size: v6.4 mag / 20.0x20.0'
8" f/6, 37x, Bortle 3, SQM-L 21.3
Moderately evident. Group of about 10-15 loosely scattered stars.
EASY

NGC1981 (OC)

DSS
© DSS II (red) - 35×35'
Name: NGC1981
Type: OC
Constellation: Ori
Coordinates: 05h35m09.00s / -04°25'54.00"
Brightness / Size: v4.2 mag / 25.0x25.0'
B 40mm, 8x, Bortle 4, SQM-L 21.0
Somewhat evident group of several medium bright stars. Resolved.

EASY
8" f/6, 37x, Bortle 4
Overall about 15-20 scattered brighter and medium bright stars. For a cluster less evident, but sufficient contrast to the surrounding.
EASY

NGC2143 (OC)

DSS
© DSS II (blue) - 15×15'
Name: NGC2143
Type: OC
Constellation: Ori
Coordinates: 06h03m06.00s / +05°46'00.00"
Brightness / Size: - / 11.0x11.0'
8" f/6, 37x, Bortle 4-, SQM-L 20.8
SQM-L 20.4: Less evident, loose. About 8 stars visible.
MODERATE

NGC2169 (OC)

DSS
© DSS II (blue) - 10×10'
Name: NGC2169, H8.24
Type: OC
Constellation: Ori
Coordinates: 06h08m24.00s / +13°58'00.00"
Brightness / Size: v5.9 mag / 7.0x7.0'
The cluster looks like the number '37' ;-)

80mm f/6.25, 41x, Bortle 6, NELM 5.0, SQM-L 19.4
Relatively small group of moderately bright and fainter stars, conspicuous to some extend. The number '37' was not noticeable.

EASY
8" f/6, 37x, Bortle 5+, SQM-L 20.9
Relatively small, evident group of about 15 moderately bright and fainter stars. After a few moments i could saw at 80x the number '37' upside down.
EASY

NGC2175 (OC)

DSS
© DSS II (blue) - 25×25'
Name: NGC2175
Type: OC
Constellation: Ori
Coordinates: 06h09m39.00s / +20°29'12.00"
Brightness / Size: v6.8 mag / 18.0x18.0'
The cluster is embedded in NGC2174, the Monkey Head Nebula.

8" f/6, 37x, Bortle 4-, NELM 5.6+
Appeared rather poor and less evident.
MODERATE

NGC2186 (OC)

DSS
© DSS II (blue) - 8×8'
Name: NGC2186, H7.25
Type: OC
Constellation: Ori
Coordinates: 06h12m07.00s / +05°27'30.00"
Brightness / Size: v8.7 mag / 4.0x4.0'
8" f/6, 80x, Bortle 4-, SQM-L 20.8
SQM-L 20.4: At 37x near two moderately bright stars I saw just a small, slightly diffuse brightening. At 80x a few faint stars popped out with averted vision.
EASY

NGC2194 (OC)

DSS
© DSS II (blue) - 20×20'
Name: NGC2194, H6.5, Melotte 43
Type: OC
Constellation: Ori
Coordinates: 06h13m46.00s / +12°49'06.00"
Brightness / Size: v8.5 mag / 10.0x10.0'
8" f/6, 37x, Bortle 4+, NELM 6.0+, SQM-L 21.1
At 37x round, well concentrated, rich. Evident, but overall rather faint. Some stars visible with averted vision. At 100x partly resolved. Consists of mainly fainter stars.
EASY