Hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  Sh2-274
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Abell 21 LRGBHOO, 



    
        

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Abell 21 LRGBHOO

Getting plate-solving status, please wait...
Abell 21 LRGBHOO, 



    
        

            Big_Dipper
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Abell 21 LRGBHOO

Technical card

Imaging telescopes or lenses: Orion Optics UK CT10

Imaging cameras: Atik 4000

Mounts: Skywatcher AZ EQ6 GT

Guiding telescopes or lenses: Omegon Modul Finder 50/230

Guiding cameras: Lacerta M-Gen

Focal reducers: Tele Vue Parracor 1.15

Software: Guide 9.0  ·  Artemis Capture  ·  Pixinsight 1.8

Filters: Astronomik LRGB 1.25" Type IIc  ·  Astronomik O III 12nm 1.25"  ·  Astronomik H Alpha 12 nm 1.25"

Accessory: Atik EFW2-1 9x1.25"


Dates:Dec. 3, 2019

Frames:
Astronomik Ha 12nm CCD EOS Clip Filter: 54x480" -20C bin 1x1
Astronomik LRGB 1.25" Type IIc: 60x240" -20C bin 1x1
Astronomik O III 12nm 1.25": 54x480" -20C bin 1x1

Integration: 18.4 hours

Darks: ~20

Flats: ~120

Bias: ~150

Avg. Moon age: 6.68 days

Avg. Moon phase: 42.56%


Astrometry.net job: 3367213

RA center: 7h 29' 3"

DEC center: +13° 16' 24"

Pixel scale: 1.148 arcsec/pixel

Orientation: 0.986 degrees

Field radius: 0.420 degrees


Resolution: 1863x1861

Locations: Homeobservatory , Roding, Bayern, Germany

Data source: Backyard

Description

Data fom 30.Nov and 03.Dez 2019

Comments

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Abell 21 LRGBHOO, 



    
        

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