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Last update: 2018-09-23

VdS FG

- Open Clusters & Asterisms (Lyr) -

And (3) Cep (25) Cyg (24) Lyr (2) Sct (4) UMi (1)
Aql (7) CMa (3) Del (1) Mon (7) Ser (2) Vir (1)
Aqr (1) CMi (1) Dra (1) Oph (3) Sge (1) Vul (8)
Aur (8) 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 (25) CVn (1) Lac (6) Pup (6) UMa (1)

NGC6791 (OC)

DSS
Image source: DSS I - 25×25'
Name: NGC6791, Berkeley 46
Type: OC
Constellation: Lyr
Coordinates: 19h20m53.00s / +37°46'18.00"
Brightness / Size: v9.5 mag / 16.0x16.0'
At the northwestern edge you can find the quite evident carbon star U Lyr (v8.3-13.5m).

B 40mm, 8x, Bortle 5, NELM 5.5

FAILED
80mm f/6.25, 33x, Bortle 5, NELM 5.8, SQM-L 20.7
Quite faint, diffuse, slightly concentrated.

MODERATE
120mm f/5, 23x, Bortle 4-, SQM-L 20.8
Rather faint, round, slightly condensed at an angular size of about 5 arcminutes. At 40x about 5 stars (probably foreground stars) are visible within the cluster.

MODERATE
8" f/6, 37x, Bortle 4
Evident, quite large, diffuse. At 100x some stars visible, background still nebulous.
EASY

Steph1 (OC)

DSS
Image source: DSS II (blue) - 20×20'
Name: Steph1, Delta Lyrae Cluster
Type: OC
Constellation: Lyr
Coordinates: 18h54m30.00s / +36°54'00.00"
Brightness / Size: v3.8 mag / 20.0x20.0'
80mm f/6.25, 25x, Bortle 6-, NELM 5.0
Some scattered moderately bright stars around delta2 Lyra.
EASY