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Contains:  NGC 4438, The Eyes, NGC 4435, NGC 4425, IC 3355, NGC 4413, M 86, NGC 4406, NGC 4402, NGC 4388, NGC 4387, IC 3303, M 84, NGC 4374
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M86 - Virgo Cluster of galaxies, 


            Jerry Macon
M86 - Virgo Cluster of galaxies

M86 - Virgo Cluster of galaxies

Technical card

Resolution: 4492x3408

Dates:May 24, 2019

Astrodon Gen 2 L 36mm: 108x100" (gain: 99.00) -15C bin 1x1
Astrodon Gen 2 RGB 36mm: 161x60" (gain: 99.00) -20C bin 1x1

Integration: 5.7 hours

Avg. Moon age: 20.19 days

Avg. Moon phase: 70.22%

Bortle Dark-Sky Scale: 4.00

Temperature: 5.00 job: 2704696

RA center: 186.629 degrees

DEC center: 12.889 degrees

Pixel scale: 0.701 arcsec/pixel

Orientation: 177.601 degrees

Field radius: 0.549 degrees

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Images from the following two scopes (piggybacked) contributed to this image:
AG12+ASI1600MM at .70 asec/pix
TV127is+ASI183MM at .75 asec/pix.
They were all registered to the best R image taken on the AG12.
Using L from the TV NP127is refractor effectively eliminates the spikes from the AG12.

All the subs for the Original of this target were LRGB taken on a full moon night.

The Final Version B uses the same settings for this target on a moonless night, 5/24/2019, for comparison. No moon definitely gives better results with more detail, but not what I would call dramatic. However, much of the improvement is due to B being stretched a little more than the original.

Messier 86 (also known as M86 or NGC 4406) is an elliptical or lenticular galaxy in the constellation Virgo. It was discovered by Charles Messier in 1781. M86 lies in the heart of the Virgo Cluster of galaxies and forms a most conspicuous group with another large galaxy known as Messier 84. It displays the highest blue shift of all Messier objects, as it is approaching the Milky Way at 244 km/s. This is due to its falling towards the center of the Virgo cluster from the opposite side, which causes it to move in the direction of the Milky Way.
Messier 86 is linked by several filaments of ionized gas to the severely disrupted spiral galaxy NGC 4438 and shows some gas and interstellar dust that may have been stripped of it like the one present in those filaments.It is also suffering ram-pressure stripping as it moves at high speed through Virgo's intracluster medium, losing its interstellar medium and leaving behind a very long trail of X ray-emitting hot gas that has been detected with the help of the Chandra space telescope.

Messier 86 has a rich system of globular clusters, with a total number of around 3,800. Its halo also has a number of stellar streams interpreted as remnants of dwarf galaxies that have been disrupted and absorbed by this galaxy.



Jerry Macon
License: Attribution Creative Commons


  • M86 - Virgo Cluster of galaxies, 


            Jerry Macon
  • Final
    M86 - Virgo Cluster of galaxies, 


            Jerry Macon

Sky plot

Sky plot


M86 - Virgo Cluster of galaxies, 


            Jerry Macon