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Contains:  Sunflower galaxy, M 63, NGC 5055
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M63 and a faint supernova

Technical card

Imaging telescope or lens:Skywatcher 250/1200

Imaging camera:SBIG ST-2000XCM

Mount:SkyWatcher EQ6 belt-modded

Guiding telescope or lens:Skywatcher 250/1200

Guiding camera:SBIG ST-2000XCM

Software:MaxIm DL 5Adobe Photoshop 2 CS

Resolution: 1600x1371

Dates:April 17, 2017

Frames: 11x720"

Integration: 2.2 hours

Avg. Moon age: 20.40 days

Avg. Moon phase: 68.13% job: 1567584

RA center: 198.975 degrees

DEC center: 41.966 degrees

Pixel scale: 1.273 arcsec/pixel

Orientation: 178.652 degrees

Field radius: 0.373 degrees


M63 taken on April 17th 2017 shows a faint supernova Ia just on the right and slightly north from the center. The supernova was discovered on April 9th and confirmed on April 21st. It looks like the star exploded in a galaxy further away from M63, that's why its apparent brightness is over magnitude 18 in this image.



Daniele Gasparri
License: Attribution-NonCommercial Creative Commons


Sky plot

Sky plot


M63 and a faint supernova, 


            Daniele Gasparri