Observation by Tim Haymes: delta Herculis

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Tim Haymes

Observer

Tim Haymes

Observed

2024 Jul 07 - 23:01

Uploaded

2024 Jul 08 - 14:08

Objects

Sarin

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Constellation

Hercules

Field centre

RA: 17^h15^m
Dec: +24°50'
Position angle: -0°07'

Field size

0°23' × 0°14'

Equipment

C11 F5.8
QHY174mGPS

Exposure

200ms

Location

Steeple Aston

Target name

delta Her

Title

delta Herculis

About this image

I was focusing on this star and noticed a companion. I measured the image roughly as mag 3/8 sep 18" in PA 290. Delta is a double: BNU 5 (sep 0.1") but this pair is actually physical. I found the explanation in Burnham's Celestial Handbook. Two stars passing each other. The pairing is now widening.
Observation over say 10 years should see a change. I have no previous observation.

Files associated with this observation

delta Her_00012 23_01_21Z_.jpg (235.8 kB)

Like this image

James Weightman

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