Hemisphere:  Northern  ·  Constellation: Leo (Leo)  ·  Contains:  M 65  ·  M 66  ·  NGC 3623  ·  NGC 3627  ·  NGC 3628
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Leo Triplet, 


Leo Triplet
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Leo Triplet

Technical card

Imaging telescopes or lenses: TS-Optics N-ag8

Imaging cameras: Atik 16200M

Mounts: Software Bisque Paramount MX

Software: PixInsight

Filters: Baader Planetarium B 2"  ·  Baader Planetarium R 2"  ·  Baader Planetarium G 2"  ·  Baader Planetarium L 2"  ·  Baader Planetarium Ha 2" 7nm

Dates:Dec. 23, 2019Jan. 1, 2020Jan. 3, 2020Jan. 5, 2020Feb. 21, 2020

Baader Planetarium B 2": 30x600" bin 1x1
Baader Planetarium G 2": 23x600" bin 1x1
Baader Planetarium Ha 2" 7nm: 21x900" bin 1x1
Baader Planetarium L 2": 60x600" bin 1x1
Baader Planetarium R 2": 9x600" bin 1x1

Integration: 25.6 hours

Avg. Moon age: 15.46 days

Avg. Moon phase: 34.29%

Basic astrometry details

Astrometry.net job: 3302702

RA center: 11h 19' 41"

DEC center: +13° 19' 55"

Pixel scale: 1.340 arcsec/pixel

Orientation: 273.481 degrees

Field radius: 1.073 degrees

Resolution: 4499x3599

Locations: Observatorio remoto Tomas Lopez en AstroCamp, Nerpio, Albacete, Spain

Data source: Own remote observatory

Remote source: AstroCamp


The Leo Triplet (also known as the M66 Group) is a small group of galaxies about 35 million light-years away[5] in the constellation Leo. This galaxy group consists of the spiral galaxies M65, M66, and NGC 3628.


Sky plot

Sky plot


Leo Triplet,