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Contains:  NGC 7331, NGC 7335, NGC 7337
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Deer Lick Group - NGC 7331, 


            Chad Adrian
Deer Lick Group - NGC 7331
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Deer Lick Group - NGC 7331

Technical card

Astronomik Blue 36mm: 64x300" (gain: 75.00)
Astronomik Green 36mm: 45x300" (gain: 75.00)
Astronomik Lum 36mm: 503x90" (gain: 75.00) -20C
Astronomik Red 36mm: 70x300" (gain: 75.00)

Integration: 27.5 hours

Darks: ~50

Flats: ~50

Flat darks: ~50

Bortle Dark-Sky Scale: 5.00

Mean SQM: 20.00

Basic astrometry details job: 2284643

RA center: 22h 37' 7"

DEC center: +34° 25' 1"

Pixel scale: 0.746 arcsec/pixel

Orientation: 328.332 degrees

Field radius: 0.276 degrees

Resolution: 2148x1580

Data source: Backyard


The main galaxy NGC 7331 is about 40 million light years away. The other galaxies, known as fleas, are over 250 million light years away and are not gravitationally bound to NGC 7331.

This was my first time imaging in LRGB. I was oversampled at .38"/pixel. I plan to image this target again someday when I have more acquisition and processing experience.



Chad Adrian
License: None (All rights reserved)

Sky plot

Sky plot


Deer Lick Group - NGC 7331, 


            Chad Adrian

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