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Contains:  IC 444, IC 443, The star μGem, The star Propus (ηGem), Part of the constellation Gemini (Gem)
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IC 443, 





    
        

            Edoardo Perenich
IC 443

IC 443

Technical card

Imaging telescope or lens:Pentax 105 SDP

Imaging camera:SBIG STL-11000

Mount:Gemini G42 Observatory+

Guiding telescope or lens:Maxvision 80 APO

Guiding camera:Lodestar

Filter:Custom Scientific H-Alpha 4.5nm

Resolution: 3976x2632

Dates:Dec. 30, 2012

Frames: 17x1200"

Integration: 5.7 hours

Avg. Moon age: 16.65 days

Avg. Moon phase: 96.03%

Astrometry.net job: 84767

RA center: 95.113 degrees

DEC center: 22.970 degrees

Pixel scale: 2.756 arcsec/pixel

Orientation: -179.982 degrees

Field radius: 1.825 degrees

Locations: Osservatorio a casa, Chieti, Chieti, Italy

Description

G42, Pentax 105SDP, STL 11000M, H 4.5 nm, 17x1200, Chieti, 30-12-12.

Le stelle brillavano moltissimo, comunque l’FWMH era molto buono, su 10 s 3.2”

Solo che la luna vicinissima alla nebulosa ha dato molto fastidio creando un gradiente mostruoso e diminuendo il contrasto.

Il gradiente l’ho eliminato con AA5.

Comments

Author

pering
Edoardo Perenich
License: None (All rights reserved)
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IC 443, 





    
        

            Edoardo Perenich