- Asterisms (UMi) -

Aql (2) Cap (1) Cyg (1) Her (2) UMi (1)
Aqr (1) Cep (2) Del (1) Peg (1) Vir (1)
Cam (1) Crv (1) Dra (1) Sct (1) Vul (3)

Diamond Ring (AST)

../dss/dss2red_025000.00_+885000.00_90_web.jpg
Image source: DSS II (red) - 90×90'
Name: Diamond Ring, Engagement Ring
Type: AST
Constellation: UMi
Coordinates: 02h50m00.00s / +88°50'00.00"
Brightness / Size: - / 60.0x60.0'
Several faint stars form the ring and alpha UMi is the diamond. Very nice view in telescopes at low magnification. Visually much more apparent than on photographs.

B 40mm, 8x, Bortle 8, NELM 4.3+, SQM-L 18.9
Alpha UMi was easily seen, but the ring itself was fairly faint.

MODERATE
B 40mm, 8x, Bortle 7, NELM 5.0, SQM-L 19.0
Well visible with averted vision. The typical ring form was quite easily seen.

EASY
80mm f/6.25, 33x, Bortle 8, NELM 4.3+, SQM-L 18.9
Quite evident. Nice view when consciously seen the diamond ring.
EASY