Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 Ori A)  ·  41 Ori C  ·  41 Ori D  ·  42 Ori)  ·  43 Ori)  ·  44 Ori)  ·  Great Orion Nebula  ·  Lower Sword  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1982  ·  Orion Nebula  ·  The star 45 Ori  ·  The star Hatysa (ι Ori  ·  The star Mizan Batil I (c Ori  ·  The star Mizan Batil II (θ2 Ori  ·  The star Trapezium (θ1 Ori A  ·  The star θ1 Ori C  ·  The star θ1 Ori D  ·  the Running Man Nebula
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Mosaic of Great Orion Nebula region, 



    
        

            Igor Chekalin
Mosaic of Great Orion Nebula region
Powered byPixInsight

Mosaic of Great Orion Nebula region

Getting plate-solving status, please wait...
Mosaic of Great Orion Nebula region, 



    
        

            Igor Chekalin
Mosaic of Great Orion Nebula region
Powered byPixInsight

Mosaic of Great Orion Nebula region

Acquisition details

Basic astrometry details

Astrometry.net job: 5790809

RA center: 05h35m20s.2

DEC center: -05°1846

Pixel scale: 0.778 arcsec/pixel

Orientation: 180.827 degrees

Field radius: 0.925 degrees

Resolution: 4040x7551

File size: 18.8 MB

Locations: Brisbane, Toowong, QLD, Australia

Data source: Backyard

Description

3 frames mosaic combined from HDR images each one is LHaRGB composition.

Taken with TAL-250K (Klevtsov's system 10" reflector) during 23 nights between 13.11.2021 and 8.03.2022, on my balcony in Brisbane, Bortle 7 city sky.

1348 images were stacked to 15 master HDRs, total exposure time about 34 hours: 11 hours for Light, 11 hours for H-alpha, and 4 hours for each R,G,B
Sub-exposures:
10 + 120 seconds for L, R, G, B
30 + 600 seconds for H-alpha

Comments

Sky plot

Sky plot

Histogram

Mosaic of Great Orion Nebula region, 



    
        

            Igor Chekalin