2022-07-20

• Condition: E6
• Location: Home, Spearfish: 44.49, -103.87

9:45PM

• Target: β Scorpii
• Const: Scorpius
• RaDec: 16h05m -19.48
• Type: Star (Double)
• Scope: ST80
• Setting: 57x
• Double: AB: 20°

Nice and easy split. Took a while to find Scorpius since I’m unfamiliar with it. Had to catch this session while the top of Scorpius was between a tree and Butch’s house. Primary appears yellow.

9:50PM

• Target: ν Scorpii
• Const: Scorpius
• RaDec: 16h12m -19.28
• Type: Star (Double)
• Scope: ST80
• Setting: 57x
• Double: AB: 350°

Easy split. Primary looks white / blue.

10:05PM

• Target: ξ Scorpii
• Const: Scorpius
• RaDec: 16h04m -11.22
• Type: Star (Double)
• Scope: ST80
• Setting: 150x
• Double: AB: 45°

• Target: Struve 1999

• Const: Scorpius

• RaDec: 16h04m -11.27

• Type: Star (Double)

• Scope: ST80

• Setting: 150x

• Double: AB: 90°

A double-double! ξ Scorpii’s sibling is faint and hard to see. Struve 1999 has both stars appear at very similar magnitudes.

10:15PM

• Target: M 4
• Const: Scorpius
• RaDec: 16h23m -26.32
• Type: Globular Cluster
• Scope: ST80
• Setting: 40x

Faint. This is likely from being so low on the horizon. AV is helping discern the shape, but I’m noticing more variation from AV than usual. Depending on where I look using AV, the target appears either circular, or a sharp vertical oval. I’ve seen variation when using AV before, but nothing like this!