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Contains:  IC 783, M 100, NGC 4312, NGC 4321, NGC 4322, NGC 4328
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M100 (containing supernova SN 2019ehk), 


            Frank Kane
M100 (containing supernova SN 2019ehk)
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M100 (containing supernova SN 2019ehk)

Technical card

Dates:June 3, 2019

Frames: 133x120"

Integration: 4.4 hours

Avg. Moon age: 0.07 days

Avg. Moon phase: 0.01%

Basic astrometry details job: 2727019

RA center: 12h 22' 34"

DEC center: +15° 43' 8"

Pixel scale: 1.114 arcsec/pixel

Orientation: 84.999 degrees

Field radius: 0.429 degrees

Resolution: 2238x1632

Data source: Backyard


The "star" closest to the core of M100 is actually supernova SN 2019ehk, discovered on April 29 by one of our fellow amateur observers, Jaroslaw Grzegorzek. Zoom in and see if you can spot it . Revison "B" of the image includes an inset pointing out where it is.



Frank Kane
License: None (All rights reserved)

Sky plot

Sky plot


M100 (containing supernova SN 2019ehk), 


            Frank Kane