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Contains:  NGC 5195, Whirlpool galaxy, M 51, NGC 5194, IC 4263
Getting plate-solving status, please wait...
Whirpool Galaxy (M51), 


            Radek Kaczorek
Whirpool Galaxy (M51)

Whirpool Galaxy (M51)

Technical card

Resolution: 1600x1200

Dates:May 18, 2018May 19, 2018May 20, 2018May 21, 2018

Baader Blue 36 mm: 20x120" bin 2x2
Baader Green 36 mm: 20x120" bin 2x2
Baader Luminance 36 mm: 50x300" bin 1x1
Baader Red 36 mm: 28x120" bin 2x2

Integration: 6.4 hours

Avg. Moon age: 5.04 days

Avg. Moon phase: 26.94% job: 2069306

RA center: 202.484 degrees

DEC center: 47.176 degrees

Pixel scale: 2.175 arcsec/pixel

Orientation: 181.225 degrees

Field radius: 0.604 degrees

Locations: Penthouse Observatory, Warsaw, Poland

Data source: Backyard


M51 is another object you can successfully image from light polluted cities. Believe it or not but lumination of background hit 20000 ADU at 300s. Most would give up imaging in this conditions, but not me. The final result is more than satisfactory.



Radek Kaczorek
License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


Whirpool Galaxy (M51), 


            Radek Kaczorek

In these public groups

INDI Users
Cloudy Nights