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Abell 21 - Medusa Nebula - Two Nights - Bresser AR102-XS - Ha, 



    
        

            altazastro
Abell 21 - Medusa Nebula - Two Nights - Bresser AR102-XS - Ha
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Abell 21 - Medusa Nebula - Two Nights - Bresser AR102-XS - Ha

Technical card


Dates:April 16, 2020April 18, 2020

Frames:
Homemade Ha 35 nm: 74x20" (gain: 200.00) 26C bin 2x2
Homemade Ha 35 nm: 65x30" (gain: 200.00) 28C bin 2x2

Integration: 1.0 hours

Darks: ~20

Flats: ~20

Avg. Moon age: 24.50 days

Avg. Moon phase: 26.48%

Bortle Dark-Sky Scale: 9.00

Mean SQM: 17.80

Temperature: 17.00


Basic astrometry details

Astrometry.net job: 3429226

RA center: 7h 29' 2"

DEC center: +13° 15' 54"

Pixel scale: 2.151 arcsec/pixel

Orientation: 311.778 degrees

Field radius: 0.485 degrees


Resolution: 1395x828

Locations: Home, Turin, Italy

Data source: Backyard

Description

Almost one hour of integrated light collected on two nights with the same scope for this challenging but rewarding object.

Comments

Author

altazastro
altazastro
License: Attribution Creative Commons
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Abell 21 - Medusa Nebula - Two Nights - Bresser AR102-XS - Ha, 



    
        

            altazastro