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Contains:  NGC 4725, NGC 4712
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NGC 4725, 





    
        

            Frank Colosimo
NGC 4725

NGC 4725

Technical card

Imaging telescope or lens:Meade LX 200R 14"

Imaging camera:Alta U8300

Mount:Paramount ME

Resolution: 1603x1206

Dates:May 31, 2009

Frames: 78x240"

Integration: 5.2 hours

Avg. Moon age: 7.77 days

Avg. Moon phase: 54.08%

Astrometry.net job: 2395561

RA center: 12h 50' 7"

DEC center: +25° 29' 2"

Pixel scale: 0.786 arcsec/pixel

Orientation: 181.392 degrees

Field radius: 0.219

Locations: Blue Mountain Vista Observatories, New Ringgold, Pennsylvania, United States

Data source: Backyard

Description

NGC 4725 is a magnitude 10.1 barred spiral galaxy in Coma Berenices. It has an apparent size of 11 x 8 arc minutes, and is estimated to be 40 million light years away. NGC 4712 is the smaller galaxy to the left.

Imaging data:
Date: May 21,30,31 2009 Processed Dec 2018
Location: New Ringgold PA
Optics: Meade LX200R-14 at f/7.9 28llmm
Mount: Paramount ME
Camera/Filters: Apogee Alta U8300 FLI CFW-2-7 FLI Filters
Guiding: Unguided
Exposure: Luminance: 32x4 minutes binned 2x2, R:17x4 min G:11x4 min B:18x4 min all binned 3x3 for a total of 5.2 hours - 78 subs at an avg 240 sec
Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing using Photoshop.

Comments

Author

franko
Frank Colosimo
License: Attribution-NonCommercial-NoDerivs Creative Commons
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NGC 4725, 





    
        

            Frank Colosimo

In these public groups

Cloudy Nights
Northeast Imagers