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NGC 4725



NGC 4725- Barred Galaxy in Coma Berenices

RA= 12hrs 50 min; Dec = 25 deg 30 min

Date & Site:

Imaged on 4/21/17; Little Blair Valley, CA

Conditions: temps in the low 40's; calm; very good seeing


Telescope: DSI RC10c

Guider: Internal guider

Mount: AP 1100 CP3
Camera: ST-10XME; CFW10; Astrodon L RGB Gen II filters


Exposures: 120 minutes of lum and 40 minutes each RGB (10 min subexposures) for total of 4 hours

NGC 4725 is a Seyfert Galaxy, a class of galaxies characterized by an active nucleus typically containing a supermassive black hole. Also classified as an intermediate barred galaxy of type SBa according to the Hubble scheme.

NGC 4725 is 40 million light years away.

(image reduced to 60% of original size)

FOV = 23 x 15 arc minutes

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