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Contains:  NGC 7640
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NGC7640 , 





    
        

            Alberto Tomatis
NGC7640

NGC7640

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:photoshopPixInsightMaxim DL

Filters:BlueGreenRedLuminance

Accessories:Televue BARLOW X2FLI PDF Focuser

Resolution: 1600x1056

Dates:Sept. 30, 2011

Frames:
Blue: 6x600" -15C bin 2x2
Green: 6x600" -15C bin 2x2
Luminance: 11x1200" -15C bin 1x1
Red: 6x600" -15C bin 2x2

Integration: 6.7 hours

Darks: ~8

Flats: ~11

Bias: ~22

Avg. Moon age: 3.51 days

Avg. Moon phase: 13.30%

Bortle Dark-Sky Scale: 2.50

Mean FWHM: 2.95

Temperature: 12.00

Astrometry.net job: 93737

RA center: 350.529 degrees

DEC center: 40.852 degrees

Pixel scale: 0.750 arcsec/pixel

Orientation: 80.100 degrees

Field radius: 0.200 degrees

Description

NGC7640 :
Questa è una galassia a spirale barrata molto debole in Andromeda, di magnitudine 11,5,
la distanza da noi è stimata in circa 28 milioni di anni luce.

Comments

Author

Alto-Observatory
Alberto Tomatis
License: None (All rights reserved)
1530
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Histogram

NGC7640 , 





    
        

            Alberto Tomatis