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
M42 plus M43, Unmodded DSLR, 



    
        

            Blackwater Skies
M42 plus M43, Unmodded DSLR
Powered byPixInsight
M42 plus M43, Unmodded DSLR, 



    
        

            Blackwater Skies
M42 plus M43, Unmodded DSLR
Powered byPixInsight

Technical card

Imaging telescopes or lenses: Sky-Watcher Evostar 80ED DS-Pro

Imaging cameras: Canon EOS 500D / Digital Rebel T1i

Mounts: Sky-Watcher NEQ6

Guiding telescopes or lenses: ST80

Guiding cameras: QHY 5

Focal reducers: Sky-Watcher 0.85x for 80ED

Software: PHD guiding  ·  PixInsight  ·  AstroTortilla  ·  APT - Astro Photography Tool  ·  EQMod

Filters: Hutech IDAS LPS P2 2"


Dates:Jan. 11, 2014

Frames:
Hutech IDAS LPS P2 2": 30x30" (15') ISO400 bin 1x1
Hutech IDAS LPS P2 2": 22x320" (1h 57' 20") ISO400 bin 1x1

Integration: 2h 12' 20"

Darks: ~109

Flats: ~102

Bias: ~330

Avg. Moon age: 10.54 days

Avg. Moon phase: 81.15%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 164884

RA center: 5h 35' 10"

DEC center: -5° 23' 52"

Pixel scale: 3.721 arcsec/pixel

Orientation: 128.498 degrees

Field radius: 1.225 degrees


Resolution: 1912x1400

Locations: Home, Colchester, Essex, United Kingdom

Description

Battling the nearly full moon again (it always seems to be raining when there are dark skies!)

Comments

Sky plot

Sky plot

Histogram

M42 plus M43, Unmodded DSLR, 



    
        

            Blackwater Skies