Hemisphere:  Northern  ·  Constellation: Vulpecula (Vul)  ·  Contains:  Dumbbell Nebula  ·  M 27  ·  NGC 6853
M27 (Dumbbell Nebula) LRGB + Ha-OIII, 



    
        

            José Manuel Taverner Torres
M27 (Dumbbell Nebula) LRGB + Ha-OIII
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M27 (Dumbbell Nebula) LRGB + Ha-OIII

Technical card

Imaging telescopes or lenses: TS Photoline 115/800

Imaging cameras: Atik 460EX

Mounts: Skywatcher AZ-EQ6 GT

Guiding telescopes or lenses: Lunatico Astronomia EZG60

Guiding cameras: ZWO Design ASI120MM-S

Focal reducers: TS Photoline 2" 0,79X

Software: Sequence Generator Pro  ·  Pleiades Astrophoto S.L. PinInsight  ·  Photoshop CS6

Filters: Baader R 1"25  ·  Baader OIII 8.5nm 1.25"  ·  Baader Ha 7nm 1.25"  ·  Baader G 1"25  ·  Baader L 1.25'' Filter  ·  Baader B 1"25

Accessory: Atik EFW2 Filter Wheel  ·  Lunatico Astronomia Seletek Armadillo


Dates:July 21, 2017July 22, 2017July 25, 2017July 26, 2017

Frames:
Baader B 1"25: 15x600" -5C bin 2x2
Baader G 1"25: 15x600" -5C bin 2x2
Baader Ha 7nm 1.25": 10x1800" -5C bin 1x1
Baader L 1.25'' Filter: 30x900" -5C bin 1x1
Baader OIII 8.5nm 1.25": 15x1800" -5C bin 1x1
Baader R 1"25: 15x600" -5C bin 2x2

Integration: 27.5 hours

Darks: ~43

Flats: ~20

Bias: ~100

Avg. Moon age: 15.38 days

Avg. Moon phase: 6.22%

Bortle Dark-Sky Scale: 1.67

Mean SQM: 21.34

Temperature: 13.33


Basic astrometry details

Astrometry.net job: 3325474

RA center: 19h 59' 37"

DEC center: +22° 41' 45"

Pixel scale: 1.443 arcsec/pixel

Orientation: 181.533 degrees

Field radius: 0.650 degrees


Resolution: 2584x1962

Locations: AstroAyna, Elche de la Sierra, Albacete, Spain

Data source: Backyard

Description

Nebulosa Dumbbell (M27) adquirida en LRGB desde Ayna (Albacente) y reforzada con datos de Ha y OIII obtenidos desde Benigembla (Alicante).

El H-alpha se ha sumado al canal rojo y el OIII al canal azul, pero en porcentaje muy bajo (20%).

Comments

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M27 (Dumbbell Nebula) LRGB + Ha-OIII, 



    
        

            José Manuel Taverner Torres