Hemisphere:  Northern  ·  Constellation: Draco (Dra)  ·  Contains:  NGC 5976  ·  NGC 5981  ·  NGC 5982  ·  NGC 5985
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Draco Triplet: NGC5985, NGC5982, NGC5981, 



    
        

            Simon Schweizer
Draco Triplet: NGC5985, NGC5982, NGC5981
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Draco Triplet: NGC5985, NGC5982, NGC5981

Technical card

Imaging telescopes or lenses: Sky-Watcher Quattro 8" f/4 Carbon (modded)

Imaging cameras: Moravian Instruments G2-8300 with external FW

Mounts: SkyWatcher NEQ6 VTSB3

Software: Fitswork 4  ·  Mischa Schirmer e.a. Theli

Filters: Baader Planetarium LRGB 50.4 mm

Accessory: Pal Gyulai GPU coma corrector


Dates:March 8, 2016May 8, 2016

Frames:
Baader Planetarium B 50.4 mm: 3x600" -25C bin 1x1
Baader Planetarium G 50.4 mm: 3x600" -25C bin 1x1
Baader Planetarium L 50.4 mm: 12x600" -25C bin 1x1
Baader Planetarium R 50.4 mm: 3x600" -25C bin 1x1

Integration: 3.5 hours

Darks: ~12

Flats: ~12

Bias: ~30

Avg. Moon age: 15.41 days

Avg. Moon phase: 2.40%

Bortle Dark-Sky Scale: 3.00


Basic astrometry details

Astrometry.net job: 1245944

RA center: 15h 38' 16"

DEC center: +59° 23' 42"

Pixel scale: 1.390 arcsec/pixel

Orientation: 176.478 degrees

Field radius: 0.348 degrees


Resolution: 620x465

Comments

Revisions

  • Draco Triplet: NGC5985, NGC5982, NGC5981, 



    
        

            Simon Schweizer
    Original
  • Final
    Draco Triplet: NGC5985, NGC5982, NGC5981, 



    
        

            Simon Schweizer
    B

Sky plot

Sky plot

Histogram

Draco Triplet: NGC5985, NGC5982, NGC5981, 



    
        

            Simon Schweizer