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Contains:  NGC 3628, M 66, NGC 3627, M 65, NGC 3623
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Leo Triplet - LRGB, 


            Simon Todd
Leo Triplet - LRGB

Leo Triplet - LRGB

Technical card

Resolution: 3193x2320

Dates:Dec. 27, 2016Jan. 5, 2017Jan. 21, 2017Feb. 24, 2017March 4, 2017

Baader Blue 36mm: 14x300" -20C bin 1x1
Baader Green 36mm: 14x300" -20C bin 1x1
Baader Luminance 36mm: 29x300" -20C bin 1x1
Baader Red 36mm: 14x300" -20C bin 1x1

Integration: 5.9 hours

Darks: ~25

Flats: ~25

Avg. Moon age: 18.44 days

Avg. Moon phase: 25.80% job: 1596269

RA center: 169.912 degrees

DEC center: 13.280 degrees

Pixel scale: 1.391 arcsec/pixel

Orientation: 89.886 degrees

Field radius: 0.762 degrees

Data source: Backyard


The Leo Triplet consists of three galaxies at a distance of around 35 million light years, M65 (top right), M66 (bottom right) and NGC3628 (left). I have always aimed at imaging the triplet since I started imaging but never got around to it.

M65 (NGC 3623) and M66 (NGC 3627) are classed as intermiediate spiral galaxies and NGC3628 is also known as the Hamburger Galaxy or Sarah's Galaxy and is classed as an Unbarred Spiral Galaxy.



Simon Todd
License: None (All rights reserved)


  • Leo Triplet - LRGB, 


            Simon Todd
  • Final
    Leo Triplet - LRGB, 


            Simon Todd

Sky plot

Sky plot


Leo Triplet - LRGB, 


            Simon Todd