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
Getting plate-solving status, please wait...
M 42, M 43 and NGC 1977, 



    
        

            Hermann Mühlichen
M 42, M 43 and NGC 1977
Powered byPixInsight

M 42, M 43 and NGC 1977

Getting plate-solving status, please wait...
M 42, M 43 and NGC 1977, 



    
        

            Hermann Mühlichen
M 42, M 43 and NGC 1977
Powered byPixInsight

M 42, M 43 and NGC 1977

Technical card

Imaging telescopes or lenses: Teleskop-Service Triplet Apo 80/480

Imaging cameras: Canon EOS 5D

Mounts: Skywatcher NEQ 3

Software: Fitswork  ·  Adobe Photoshop Lightroom 5.7  ·  Adobe Photoshop CS 2

Accessory: Teleskop-Service 2" Flattener


Dates:Jan. 26, 2017

Frames: 85x12" (17') ISO3200

Integration: 17'

Darks: ~54

Flats: ~25

Flat darks: ~25

Bias: ~30

Avg. Moon age: 28.07 days

Avg. Moon phase: 2.40%

Bortle Dark-Sky Scale: 5.00


Basic astrometry details

Astrometry.net job: 3208507

RA center: 5h 35' 4"

DEC center: -5° 18' 32"

Pixel scale: 3.487 arcsec/pixel

Orientation: 7.652 degrees

Field radius: 1.501 degrees


Resolution: 1718x2581

Data source: Traveller

Description

M 42, M 43 and NGC 1977 taken with my old and trusty Canon EOS 5D on an unguided Skywatcher NEQ 3 mount.

The exact exposure times are:

35 x 20 s

19 x 10 s

31 x 4 s

(in average numbers: 85 x 12 s)

The image has been cropped a little bit.

Comments

Sky plot

Sky plot

Histogram

M 42, M 43 and NGC 1977, 



    
        

            Hermann Mühlichen