Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Orion Nebula  ·  Lower Sword  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1982  ·  Orion Nebula  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri  ·  the Running Man Nebula
M42 Core, 


M42 Core
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M42 Core

Technical card

Imaging telescopes or lenses: Meade LXD 55 SN6

Imaging cameras: Pentax K-3 II

Mounts: Vixen GP-DX with SkySensor 2000 PC

Dates:Sept. 15, 2018

Frames: 7x4" ISO1600

Integration: 0.0 hours

Avg. Moon age: 6.01 days

Avg. Moon phase: 35.63%

Bortle Dark-Sky Scale: 3.00

Basic astrometry details

Astrometry.net job: 3320992

RA center: 5h 35' 14"

DEC center: -5° 24' 46"

Pixel scale: 2.250 arcsec/pixel

Orientation: 327.478 degrees

Field radius: 0.621 degrees

Resolution: 1179x1600

Data source: Traveller


This is a small stack of 4-second exposures taken in order to get detail in the Trapezium as part of a larger HDR stack. There is quite a bit of noise, of course, but it is rather amazing what a DSLR can capture in less than 30 seconds.

The Meade LXD55 SN6 is a 6-inch f/5 Schmidt-Newtonian.


Sky plot

Sky plot


M42 Core,