Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Nebula in Orion  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
The Great Orion Nebula, 



    
        

            Vincent KH Cheng
The Great Orion Nebula
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The Great Orion Nebula

The Great Orion Nebula, 



    
        

            Vincent KH Cheng
The Great Orion Nebula
Powered byPixInsight

The Great Orion Nebula

Equipment

Acquisition details

Basic astrometry details

Astrometry.net job: 545260

RA center: 05h35m23s.0

DEC center: -05°2450

Pixel scale: 1.971 arcsec/pixel

Orientation: 90.618 degrees

Field radius: 1.315 degrees

Resolution: 3873x2844

File size: 2.5 MB

Description

Location : MeiZhou, CHINA (RGB)

Sai Kung, Hong Kong (Ha)

Date : 13,Nov,2012 (RGB)

Dec,2013-Jan,2014 (Ha)

Ha:

Camera : SBIG STF-8300M (cooled at-10C)

Telescope/Lens : Takahashi FSQ-85ED (450mm f/5.3)

Filter : Astrodon 5nm Ha

Tracking Mount : iOptron ZEQ-25

Autoguide : SBIG STi OAG set

Total Exposure Time : 10mins X 48frames (Core 20s x 10)

w Dark Frames, Bias Frames

process w CCD stack,PI, PS5

RGB (DSLR):

Camera : Astro 60D (cooled at-12C)

Telescope/Lens : Takahashi FSQ-85ED (450mm f/5.3)

Filter : none

ISO:800

Tracking Mount : Takahashi EM-11

Autoguide : SBIG SG-4

Total Exposure Time : 5mins X 21frames, 3mins X 24frames (Core 30s x 10)

w Dark Frames, Bias Frames

process w PI, PS5

Comments

Sky plot

Sky plot

Histogram

The Great Orion Nebula, 



    
        

            Vincent KH Cheng