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Contains:  M 65, M 66, NGC 3623, NGC 3627, NGC 3628
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Leo triplet, 


            Andrew Lockwood
Leo triplet
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Leo triplet

Technical card

Imaging telescope or lens:ASA 16N

Imaging camera:QSI 683wsg-8

Mount:ASA Astrosysteme ASA DDM85

Guiding telescope or lens:ASA 16N

Focal reducer:ASA Astrosysteme ASA 3" Wynne Reducer Corrector 0,95x


Filters:Astrodon 31mm Ha 5nmAstrodon 31mm RedAstrodon 31mm Blue

Dates:Feb. 4, 2019

Frames: 80x300"

Integration: 6.7 hours

Avg. Moon age: 29.20 days

Avg. Moon phase: 0.13%

Basic astrometry details job: 2538983

RA center: 11h 19' 47"

DEC center: +13° 16' 37"

Pixel scale: 0.382 arcsec/pixel

Orientation: 3.444 degrees

Field radius: 0.559 degrees

Resolution: 6012x8652

Locations: home, perth, western australia, Australia

Data source: Backyard


This is a well-known trio of galaxies in Leo, clockwise from top NGC 3628 (sometimes known as the hamburger or hot-dog galaxy), and M65, then M66, the two much brighter galaxies discovered by Charles Messier in 1780. All three are about 35 million light years away and show considerable evidence of tidal warping, indicating that they have been pulling at each other.



Andrew Lockwood
License: None (All rights reserved)

Sky plot

Sky plot


Leo triplet, 


            Andrew Lockwood

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