Hemisphere:  Southern  ·  Contains:  M 46  ·  NGC 2437
Messier 46, 


            James Schrader
Messier 46
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Messier 46

Technical card

Imaging telescopes or lenses: Orion 8" f/3.9 Newtonian Astrograph

Imaging cameras: Canon 450D EOS 450D / Digital Rebel XSi

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: Orion 50mm Guidescope

Accessory: Baader MPCC Coma Corrector

Dates:Jan. 18, 2016

Frames: 39x180"

Integration: 1.9 hours

Avg. Moon age: 9.02 days

Avg. Moon phase: 67.04%

Basic astrometry details

Astrometry.net job: 3642547

RA center: 7h 41' 47"

DEC center: -14° 50' 34"

Pixel scale: 1.329 arcsec/pixel

Orientation: 21.143 degrees

Field radius: 0.924 degrees

Resolution: 4165x2781

Locations: Home (Front Yard), Jefferson City, MO, United States

Data source: Backyard


Messier 46 is an open cluster located 5500 light years away in the constellation Puppis. The planetary nebula NGC 2438 can be seen within the cluster in this image, although it is likely not a member of the cluster itself. The small red dot up and to the left of Messier 46 is another planetary nebula cataloged as PN G 231.4+4.4.



James Schrader
License: None (All rights reserved)

Sky plot

Sky plot


Messier 46, 


            James Schrader