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Contains:  NGC 5229, NGC 5195, Whirlpool galaxy, M 51, NGC 5194
Getting plate-solving status, please wait...
M51 - Whirlpool Galaxy, 


            Marc Leatham
M51 - Whirlpool Galaxy

M51 - Whirlpool Galaxy

Technical card

Resolution: 2129x1817

Dates:March 21, 2015

Frames: 15x601"

Integration: 2.5 hours

Avg. Moon age: 1.27 days

Avg. Moon phase: 1.81% job: 582802

RA center: 202.476 degrees

DEC center: 47.207 degrees

Pixel scale: 4.109 arcsec/pixel

Orientation: 87.741 degrees

Field radius: 1.597 degrees


Subject - The Whirlpool Galay - M51
Camera - Sony A7
Scope - Orion ED80
Fstop - 7.5
Focal Length: 600mm
Corrector - Orion Field Flattener for Short Refractors
Mount - Celestron AVX
Autoguider - Orion Starshoot (50mm Guide Scope)
ISO - 2500
Exposures - 15 x 601" lights (2.5 hours of integration), 12 darks, 23 flats, 21 Bias
Location - Salome Airfield, AZ (Gray on the Bortle scale)
Processing: Pixinsight & Photoshop



Marc Leatham
License: None (All rights reserved)

Sky plot

Sky plot


M51 - Whirlpool Galaxy, 


            Marc Leatham