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Contains:  Sombrero galaxy, M 104, NGC 4594
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M104 Sombrero Galaxy

Technical card

Resolution: 4380x5137

Dates:Aug. 1, 2019

Frames:Baader L RGB Baader: 119x120" -10C bin 1x1

Integration: 4.0 hours

Darks: ~101

Flats: ~20

Bias: ~1001

Avg. Moon age: 0.44 days

Avg. Moon phase: 0.21%

Bortle Dark-Sky Scale: 1.00

Mean SQM: 22.00

Mean FWHM: 2.20

Temperature: 15.00 job: 2877533

RA center: 189.998 degrees

DEC center: -11.603 degrees

Pixel scale: 0.468 arcsec/pixel

Orientation: 354.515 degrees

Field radius: 0.438 degrees

Locations: Obstech (El Sauce Observatory), Rio Hurtado, Chile

Data source: Backyard


L= 119x120s= 4Hours /// Fwhm: 2.0">>2.5" /// Drizzle x2

RGB= 20x300sx3

A little disappointed, we had a very bad winter here in all Chile, hope that next year it is better.

So very few images kept, I would do it again next year!

This image is made from a commercial observatory (Obstech) where I work and life, however I take advantage of the very good seeing and make my images for personally fun. my telescope is 5m from me among 25 others.



Jonathan FERTIL
License: Attribution-NonCommercial Creative Commons

Sky plot

Sky plot


M104 Sombrero Galaxy, 


            Jonathan FERTIL