Home

About

Observations - Hints

Observations

Worthwhile Regions of the Sky

Skyguide

Contact

deDeutsch

Last update: 2017-07-26

VdS FG

- Globular Clusters (Oph) -

And (1) Boo (1) Del (2) Lyr (1) Sct (1) Vir (1)
Aql (2) Cap (1) Her (3) Oph (7) Ser (4)
Aqr (2) Com (3) Lep (1) Peg (1) Sge (1)
Aur (1) CVn (1) Lyn (1) Sco (2) Sgr (4)

M9 (GC)

DSS
© DSS II (red) - 12×12'
Name: M9, NGC6333
Type: GC
Constellation: Oph
Coordinates: 17h19m11.78s / -18°30'58.5"
Brightness / Size: v8.4 mag / 12.0×12.0'
4.5" f/8, 28x, Bortle 6+
Bright, compact center, not resolvable. Barely seen with direct vision.
EASY

M10 (GC)

DSS
© DSS II (red) - 20×20'
Name: M10, NGC6254
Type: GC
Constellation: Oph
Coordinates: 16h57m09.05s / -04°06'01.1"
Brightness / Size: v6.6 mag / 20.0×20.0'
B 40mm, 8x, Bortle 5, NELM 5.5
Very evident. Round, diffuse with much brighter center.

EASY
4.5" f/8, 28x, Bortle 6+
Very bright, compact center. Glimpsed a few scattered stars at 72x in the edge regions.
EASY

M12 (GC)

DSS
© DSS II (red) - 16×16'
Name: M12, NGC6218
Type: GC
Constellation: Oph
Coordinates: 16h47m14.18s / -01°56'54.7"
Brightness / Size: v6.1 mag / 16.0×16.0'
B 40mm, 8x, Bortle 5, NELM 5.5
Evident. Round, diffuse with brighter center.

EASY
4.5" f/8, 28x, Bortle 6+
Center much brighter than outer regions. At 28x an evident star at the edge of the cluster. Not resolvable. Glimpsed some scattered stars at 100x in the outermost regions, otherwise the cluster seemed more granulous.
EASY

M14 (GC)

DSS
© DSS II (red) - 11×11'
Name: M14, NGC6402
Type: GC
Constellation: Oph
Coordinates: 17h37m36.15s / -03°14'45.3"
Brightness / Size: v8.3 mag / 11.0×11.0'
B 40mm, 8x, Bortle 5, NELM 5.5
Round, diffuse, more faint without distinct center. Barely visible with direct vision.

EASY
8" f/6, 37x, Bortle 4
Diffuse brightening with slightly brighter center. Also at 133x not resolvable.
EASY

M107 (GC)

DSS
© DSS II (red) - 13×13'
Name: M107, NGC6171, H6.40
Type: GC
Constellation: Oph
Coordinates: 16h32m31.86s / -13°03'13.6"
Brightness / Size: v8.8 mag / 13.0×13.0'
4.5" f/8, 72x, Bortle 6+
Already visible at 28x with averted vision. At 72x brightening toward the middle. Not resolvable.

EASY
8" f/6, 37x, Bortle 3, NELM 6.5
Apparent with moderately bright center. Not resolvable even at 150x.
EASY

NGC6325 (GC)

DSS
© DSS II (red) - 5×5'
Name: NGC6325
Type: GC
Constellation: Oph
Coordinates: 17h17m59.27s / -23°45'57.7"
Brightness / Size: v10.2 mag / 4.3×4.3'
4.5" f/8, 72x, Bortle 6+ FAILED

NGC6517 (GC)

DSS
© DSS II (red) - 5×5'
Name: NGC6517, H2.199
Type: GC
Constellation: Oph
Coordinates: 18h01m50.38s / -08°57'34.4"
Brightness / Size: v10.1 mag / 4.0×4.0'
B 40mm, 8x, Bortle 4, SQM-L 20.9 FAILED