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Hemisphere:  Northern  ·  Contains:  M 94, NGC 4736
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M94 Croc's Eye, 


M94 Croc's Eye
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M94 Croc's Eye

Technical card

Imaging telescopes or lenses: Celestron 9.25 SCT

Imaging cameras: ZWO ASI1600MM-C

Mounts: Orion Atlas AZ/EQ Pro

Guiding telescopes or lenses: Celestron 9.25 SCT

Guiding cameras: ZWO ASI290MM mini

Focal reducers: Starizona SCT Corrector III - 0.63X

Software: Pleiades Astrophoto PixInsight  ·  Seqence Generator Pro

Filters: Astronomik L3 Luminance Filter  ·  Astronomik Deep-Sky Green 36mm  ·  Astronomik Deep-Sky Blue 36mm  ·  Astronomik Deep-Sky Red 36mm

Dates:April 25, 2020April 29, 2020

Astronomik Deep-Sky Blue 36mm: 32x120" (gain: 0.00) -10C bin 1x1
Astronomik Deep-Sky Green 36mm: 35x120" (gain: 0.00) -10C bin 1x1
Astronomik Deep-Sky Red 36mm: 35x120" (gain: 0.00) -10C bin 1x1
Astronomik L3 Luminance Filter: 323x60" (gain: 0.00) -10C bin 1x1

Integration: 8.8 hours

Avg. Moon age: 4.10 days

Avg. Moon phase: 20.49%

Bortle Dark-Sky Scale: 6.00

Basic astrometry details job: 3549714

RA center: 12h 50' 57"

DEC center: +41° 7' 44"

Pixel scale: 0.506 arcsec/pixel

Orientation: 274.158 degrees

Field radius: 0.310 degrees

Resolution: 3580x2580

Data source: Backyard


Messier 94, aka The Croc's Eye. I was able to capture some of the outer halo, but not very distinctly. I like the contrast between the well-defined inner spiral and the our spiral clouds-like structure.



License: None (All rights reserved)

Sky plot

Sky plot


M94 Croc's Eye,