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Contains:  NGC 7741
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NGC 7741, 





    
        

            Alberto Tomatis
NGC 7741

NGC 7741

Technical card

Imaging telescope or lens:Takahashi BRC 250

Imaging camera:SBIG ST-10 XE

Mount:10Micron GM2000 QCI

Guiding telescope or lens:Takahashi BRC 250

Guiding camera:Lodestar

Software:photoshopMaxim DL

Filters:BlueGreenRedLuminance

Accessories:Televue BARLOW X2FLI PDF Focuser

Resolution: 1600x1046

Dates:Aug. 31, 2011

Frames:
Blue: 7x600" -15C bin 2x2
Green: 2x600" -15C bin 2x2
Luminance: 15x1200" -15C bin 1x1
Red: 4x600" -15C bin 2x2

Integration: 7.2 hours

Darks: ~8

Flats: ~11

Bias: ~22

Avg. Moon age: 2.73 days

Avg. Moon phase: 8.18%

Bortle Dark-Sky Scale: 3.00

Mean FWHM: 3.10

Temperature: 15.50

Astrometry.net job: 94542

RA center: 355.983 degrees

DEC center: 26.075 degrees

Pixel scale: 0.764 arcsec/pixel

Orientation: 80.097 degrees

Field radius: 0.203 degrees

Locations: Alto-Observatory - Canino (VT), Canino (VT), Lazio, Italy

Description

NGC 7741 è una galassia a spirale barrata del tipo SB nel senso che ha una barra centrale
concentrata, evidente qui, e dei bracci a spirale abbastanza aperti.

NGC 7741è molto vicina, e si sta allontanando da noi a soli 1,7 milioni di chilometri all'ora.
(Distanza: 30 milioni di anni luce)

Comments

Author

Alto-Observatory
Alberto Tomatis
License: None (All rights reserved)
2070
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NGC 7741, 





    
        

            Alberto Tomatis