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The Heart of Andromeda

Technical card

Imaging telescope or lens: Skywatcher Esprit 150ED

Mount: 10 Micron GM1000 HPS

Software: PHDStark Labs Nebulosity 3.1

Accessories: Starlight Xpress LodestarOAG

Resolution: 2749x2199

Dates: Sept. 29, 2013

Frames: 20x600"

Integration: 3.3 hours

Avg. Moon age: 23.79 days

Avg. Moon phase: 32.93%

Astrometry.net job: 85517

RA center: 10.676 degrees

DEC center: 41.272 degrees

Pixel scale: 0.870 arcsec/pixel

Orientation: -97.184 degrees

Field radius: 0.425 degrees

Description

M31, taken with mobile equipment from at a star party in eastern UK.

The site, whilst reasonably dark, is quite exposed and on a hillside just a mile from the sea, and is nearly always windy. The seeing and transparency was variable, so I used a One Shot Colour camera to try and get useful pictures in as little time as possible. The Skywatcher Esprit 150ED very nicely resolves tiny details and far distant star clusters.

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Author

Tim Jardine
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The Heart of Andromeda, Tim Jardine