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M94 Cat's Eye Galaxy
Published in Astronomy Now Magazine May 2019, April 2020 and April 2022
M94 is a spiral galaxy in the constellation Canes Venatici. It is 16 million light years from Earth.
Picture






TARGET
Nomenclature
:  M94, Messier 94, Cat's Eye Galaxy, Croc's Eye Galaxy, NGC 4736
Right Ascension: 12:50:53.1
Declination: +41:07:14
Size: 11 arc min
Discovery: Pierre Méchain in 1781

EQUIPMENT USED
APM TMB LZOS 152 refractor
10Micron GM2000 HPS mount
QSI6120 CCD camera
Astrodon filters
IMAGE CAPTURE
Luminance: 52x600 bin 1x1
Red: 20x300 bin 1x1
Green: 20x300 bin 1x1
Blue: 20x300 bin 1x1
Total integration: 13.7 hours
Pixel scale: 0.534 arcsec/pixel
Field radius: 0.363 degrees
Capture dates: 17-23 March 2018
Capture location:  Alcalali, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Click here for a larger version
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