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Last update: 2017-09-20

VdS FG

- Open Clusters & Asterisms (Cas) -

And (3) Cep (22) Cyg (22) 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 3 (OC)

DSS
© DSS II (blue) - 8×8'
Name: Berkeley 3, Stock 24
Type: OC
Constellation: Cas
Coordinates: 00h39m45.80s / +61°57'54.00"
Brightness / Size: v8.8 mag / 4.0x4.0'
80mm f/6.25, 33x, Bortle 8, NELM 4.2+, SQM-L 18.7 FAILED

Czernik43 (OC)

DSS
© DSS II (red) - 20×20'
Name: Czernik43
Type: OC
Constellation: Cas
Coordinates: 23h25m52.00s / +61°20'30.00"
Brightness / Size: - / 14.0x14.0'
8" f/6, 37x, Bortle 4
Less evident. Only few, scattered, faint stars.
MODERATE

IC166 (OC)

DSS
© DSS II (blue) - 12×12'
Name: IC166
Type: OC
Constellation: Cas
Coordinates: 01h52m22.80s / +61°51'54.00"
Brightness / Size: v11.7 mag / 7.0x7.0'
8" f/6, 100x, Bortle 6, NELM 5.0 FAILED

M52 (OC)

DSS
© DSS II (red) - 20×20'
Name: M52, NGC7654
Type: OC
Constellation: Cas
Coordinates: 23h24m48.00s / +61°35'36.00"
Brightness / Size: v6.9 mag / 13.0x13.0'
B 40mm, 8x, Bortle 5, NELM 5.5
Round, diffuse, evenly bright. A brighter star at the western edge.

EASY
80mm f/6.25, 25x, Bortle 6, NELM 5.0
The brighter star on the western edge evident. M52 itself easily visible as roundish, diffuse brightening. With averted vision many fainter stars perceptible.

EASY
8" f/6, 37x, Bortle 4
Relatively small, rich cluster with mainly moderately bright and fainter stars. Very good contrast to the surrounding. On the western edge a brighter, orange colored star.
EASY

M103 (OC)

DSS
© DSS II (blue) - 15×15'
Name: M103, NGC581
Type: OC
Constellation: Cas
Coordinates: 01h33m23.00s / +60°39'00.00"
Brightness / Size: v7.4 mag / 6.0x6.0'
4.5" f/8, 36x, Bortle 5+
One brighter and two moderately bright stars arranged in a chain, surrounded by an elongated, diffuse glow.

EASY
8" f/6, 37x, Bortle 4
Very nice cluster. Three stars form a chain, between those many fainter stars. The middle star is apparently orange colored. Northeastward in a distance of about 15' I saw a triangle of 3 stars, where one of those was also obviously orange colored.
EASY

NGC103 (OC)

DSS
© DSS II (blue) - 10×10'
Name: NGC103
Type: OC
Constellation: Cas
Coordinates: 00h25m18.00s / +61°19'00.00"
Brightness / Size: v9.8 mag / 5.0x5.0'
8" f/6, 100x, Bortle 6, NELM 5.0
Quite compact with very faint stars. On the north of NGC103 I noticed another, fairly evident group of brighter stars.
EASY

NGC129 (OC)

DSS
© DSS II (blue) - 30×30'
Name: NGC129, H8.79
Type: OC
Constellation: Cas
Coordinates: 00h30m00.00s / +60°13'06.00"
Brightness / Size: v6.5 mag / 21.0x21.0'
B 40mm, 8x, Bortle 4-, NELM 5.7+, SQM-L 20.9
Located north of a 5.94m star, somewhat apparent. About 5 stars visible with averted vision, background appeared brightened.

EASY
8" f/6, 37x, Bortle 4-, NELM 5.7+, SQM-L 20.9
Some moderately bright stars loosely scattered, moderate contrast to the surrounding.
EASY

NGC225 (OC)

DSS
© DSS II (blue) - 20×20'
Name: NGC225, H8.78, Sailboat Cluster
Type: OC
Constellation: Cas
Coordinates: 00h43m39.00s / +61°46'30.00"
Brightness / Size: v7.0 mag / 12.0x12.0'
80mm f/6.25, 33x, Bortle 8, NELM 4.2+, SQM-L 18.7
Medium-sized cluster of rather evenly distributed, medium bright stars. Well noticeable as a cluster with averted vision. At the northeastern end an evident row of 5 stars.
EASY

NGC433 (OC)

DSS
© DSS II (blue) - 5×5'
Name: NGC433
Type: OC
Constellation: Cas
Coordinates: 01h15m12.00s / +60°08'00.00"
Brightness / Size: v9.0 mag / 4.0x4.0'
8" f/6, 150x, Bortle 6, NELM 5.0
South of a 9.37m star I could glimpse some very faint stars. It appeared to me partly diffuse, but not evident.
DIFFICULT

NGC436 (OC)

DSS
© DSS II (blue) - 10×10'
Name: NGC436, H7.45
Type: OC
Constellation: Cas
Coordinates: 01h15m58.00s / +58°48'42.00"
Brightness / Size: v8.8 mag / 6.0x6.0'
8" f/6, 37x, Bortle 6, NELM 5.0
Quite obvious, rather compact cluster of faint stars. At 100x I easily saw about 10 stars. Southeast two brighter stars.
EASY

NGC457 (OC)

DSS
© DSS II (blue) - 15×15'
Name: NGC457, H7.42, Owl Cluster
Type: OC
Constellation: Cas
Coordinates: 01h19m35.00s / +58°17'12.00"
Brightness / Size: v6.4 mag / 13.0x13.0'
80mm f/6.25, 15x, Bortle 8, NELM 4.2+, SQM-L 18.7
Two bright, evident stars with an elongated cluster of rather faint stars, which can be partly resolved. The background appeared diffuse. At 33x pretty well resolved, but the background still stayed brightened.

EASY
8" f/6, 37x, Bortle 6, NELM 5.0
Apparent. Moderately bright and fainter stars irregularly scattered. Southeast some brighter stars.
EASY

NGC559 (OC)

DSS
© DSS II (red) - 10×10'
Name: NGC559, H7.48
Type: OC
Constellation: Cas
Coordinates: 01h29m30.00s / +63°18'00.00"
Brightness / Size: v9.5 mag / 4.4x4.4'
8" f/6, 37x, Bortle 6, NELM 5.0
Very compact cluster of mainly fainter stars. At 100x about 5 stars visible, background appeared brightened.

EASY
8" f/6, 37x, Bortle 4
Obvious as small, compact cloud of stars. At 100x 4-5 moderately bright stars and many, partly very faint stars.
EASY

NGC609 (OC)

DSS
© DSS II (red) - 6×6'
Name: NGC609
Type: OC
Constellation: Cas
Coordinates: 01h36m25.00s / +64°32'12.00"
Brightness / Size: v11.0 mag / 3.0x3.0'
8" f/6, 37x, Bortle 6, NELM 5.0
Unfortunately too faint under these conditions.
FAILED

NGC637 (OC)

DSS
© DSS II (red) - 5×5'
Name: NGC637, H7.49
Type: OC
Constellation: Cas
Coordinates: 01h43m04.00s / +64°02'24.00"
Brightness / Size: v8.2 mag / 3.5x3.5'
8" f/6, 100x, Bortle 6, NELM 5.0
About 10 stars visible with direct vision. With averted vision the background appeared unsteady. Overall quite compact.
EASY

NGC654 (OC)

DSS
© DSS II (blue) - 10×10'
Name: NGC654, H7.46
Type: OC
Constellation: Cas
Coordinates: 01h44m00.00s / +61°53'06.00"
Brightness / Size: v6.5 mag / 5.0x5.0'
8" f/6, 37x, Bortle 6, NELM 5.0
Northwest of a 7.31m star this cluster appeared at 37x as a fairly compact star cloud. With averted vision some fainter stars were visible. At 100x well resolvable, but the background appeared still diffuse.
EASY

NGC659 (OC)

DSS
© DSS II (blue) - 10×10'
Name: NGC659, H8.65
Type: OC
Constellation: Cas
Coordinates: 01h44m24.00s / +60°40'00.00"
Brightness / Size: v7.9 mag / 5.0x5.0'
8" f/6, 37x, Bortle 6, NELM 5.0
Compact cluster, which is already slightly obvious at 37x. At 100x I could at least see 4 stars forming a semicircle.

EASY
8" f/6, 37x, Bortle 4
Quite evident as compact star cloud.
EASY

NGC663 (OC)

DSS
© DSS II (blue) - 25×25'
Name: NGC663, H6.31
Type: OC
Constellation: Cas
Coordinates: 01h46m09.00s / +61°14'06.00"
Brightness / Size: v7.1 mag / 16.0x16.0'
B 40mm, 8x, Bortle 5
Obvious, fairly bright, diffuse, round.

EASY
80mm f/6.25, 25x, Bortle 6-, NELM 5.0
Conspicuous. 4 brighter stars at the edge of the cluster, which contains rather faint members. Good contrast to the surrounding. Looks like a star cloud.

EASY
8" f/6, 37x, Bortle 6, NELM 5.0
Relatively large, moderately bright and fainter stars loosely scattered. South of the cluster two stars of 8.54m & 9.16m are apparently orange colored. Very nice.
EASY

NGC7788 (OC)

DSS
© DSS II (blue) - 15×15'
Name: NGC7788
Type: OC
Constellation: Cas
Coordinates: 23h56m38.00s / +61°24'02.00"
Brightness / Size: v9.4 mag / 9.0x9.0'
8" f/6, 37x, Bortle 6, NELM 5.0
Relatively large, obvious cluster with bright and faint, scattered members. The brighter stars are located more at the edge and are probably not real members of the cluster. Southeast is the cluster NGC7790.
EASY

NGC7789 (OC)

DSS
© DSS II (blue) - 25×25'
Name: NGC7789, H6.30, The White Rose, Caroline's Rose
Type: OC
Constellation: Cas
Coordinates: 23h57m24.00s / +56°42'30.00"
Brightness / Size: v6.7 mag / 16.0x16.0'
B 40mm, 8x, Bortle 6-, NELM 5.3, SQM-L 19.3
Relatively large, faint, nearly evenly bright.

MODERATE
B 40mm, 8x, Bortle 5+, SQM-L 20.8
Barely visible with direct visible, but overall quite faint, relatively large, diffuse with slight brightening toward the middle.

EASY
80mm f/6.25, 33x, Bortle 8, NELM 4.3+, SQM-L 18.9
SQM-L 18.5: Relatively large, faint, granulous with averted vision.
MODERATE

NGC7790 (OC)

DSS
© DSS II (blue) - 15×15'
Name: NGC7790, H7.56
Type: OC
Constellation: Cas
Coordinates: 23h58m24.00s / +61°12'30.00"
Brightness / Size: v8.5 mag / 8.0x8.0'
8" f/6, 37x, Bortle 6, NELM 5.0
At 37x evident, but pretty faint, rich cluster. Partly resolved. At the western end two brighter stars. At 80x many faint members with averted vision, background slightly diffuse. The shape of the cluster appeared more oval.
EASY

Stock 2 (OC)

DSS
© DSS I - 80×80'
Name: Stock 2, The Muscleman Cluster
Type: OC
Constellation: Cas
Coordinates: 02h14m43.00s / +59°29'06.00"
Brightness / Size: v4.4 mag / 60.0x60.0'
Nice, large cluster near the prominent Double Cluster (NGC 869 & NGC 884). Best view in binoculars due to its angular size. Its sobriquet comes from the similarity to a muscleman. I have never seen this strong man consciously.

B 40mm, 8x, Bortle 4-, NELM 5.7+, SQM-L 20.9
Large with many rather faint stars of similar brightness, evenly distributed. An evident, slightly curved star chain between Stock 2 and NGC 869.

EASY
8" f/6, 37x, Bortle 4-, NELM 5.7+, SQM-L 20.9
Too large for the 1.8° field of view. Widely scattered without any concentration.
EASY