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Contains:  M 94, NGC 4736
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M94, (NGC 4736), The Croc's Eye Galaxy, 


            Steven Bellavia
M94, (NGC 4736), The Croc's Eye Galaxy

M94, (NGC 4736), The Croc's Eye Galaxy

Technical card

Resolution: 3000x2000

Dates:April 10, 2019

Frames:Optolong L: 39x180" (gain: 111.00) -15C bin 1x1

Integration: 1.9 hours

Darks: ~30

Avg. Moon age: 5.00 days

Avg. Moon phase: 25.77%

Bortle Dark-Sky Scale: 4.00

Temperature: 5.00 job: 2637383

RA center: 12h 50' 52"

DEC center: +41° 7' 15"

Pixel scale: 0.490 arcsec/pixel

Orientation: 181.620 degrees

Field radius: 0.245

Data source: Backyard


Messier 94 (NGC 4736), also known as the Croc's Eye Galaxy, is a spiral galaxy in the constellation Canes Venatici. It was discovered by Pierre Méchain in 1781,and cataloged by Charles Messier two days later. Although some references describe M94 as a barred spiral galaxy, the "bar" structure appears to be more oval-shaped. The galaxy has two ring structures, but in this image the rings appear as a nearly featureless dull halo around a brighter galaxy structure,, which in turn surrounds a very bright core.

Messier 94 can be found 3 degrees east and a little south of Chara, the second brightest star in Canes Venatici. Chara lies a little more than 5 degrees northwest of Cor Caroli, (Alpha Canum Venaticorum) a binary star and the constellation’s brightest star.



Steven Bellavia
License: None (All rights reserved)

Sky plot

Sky plot


M94, (NGC 4736), The Croc's Eye Galaxy, 


            Steven Bellavia