Hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224
M31 in LRGBHa, 



    
        

            Jim McPherson
M31 in LRGBHa
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M31 in LRGBHa

M31 in LRGBHa, 



    
        

            Jim McPherson
M31 in LRGBHa
Powered byPixInsight

M31 in LRGBHa

Technical card

Imaging telescopes or lenses: SkyWatcher Esprit-80ED f/5

Imaging cameras: ZWO ASI1600MM-C

Mounts: CEM60

Guiding telescopes or lenses: SkyWatcher Esprit-80ED f/5

Guiding cameras: ZWO Optical asi290mm-mini

Software: Pixinsight

Filters: ZWO Optical ZWO Blue  ·  ZWO Green  ·  ZWO Red  ·  ZWO Lum  ·  ZWO Optical ZWO Ha 31mm 7nm

Accessory: Orion Thin Off Axis Guider (TOAG)


Frames:
ZWO Green: 300x30" (2h 30') bin 1x1
ZWO Lum: 300x30" (2h 30') (gain: 0.00) -18C bin 1x1
ZWO Optical ZWO Blue: 300x30" (2h 30') (gain: 0.00) bin 1x1
ZWO Optical ZWO Ha 31mm 7nm: 20x300" (1h 40') (gain: 200.00) -18C bin 1x1
ZWO Red: 300x30" (2h 30') (gain: 0.00) -18C bin 1x1

Integration: 11h 40'

Darks: -18

Bortle Dark-Sky Scale: 6.80


Basic astrometry details

Astrometry.net job: 1912064

RA center: 00h43m07s

DEC center: +41°1445

Pixel scale: 1.903 arcsec/pixel

Orientation: 274.980 degrees

Field radius: 1.329 degrees


Resolution: 1824x1451

Locations: Home Observatory, Fairfax, Virginia, United States

Description

This is an LRGBHa image taken from my backyard in a red light pollution zone.

Comments

Revisions

  • M31 in LRGBHa, 



    
        

            Jim McPherson
    Original
  • M31 in LRGBHa, 



    
        

            Jim McPherson
    B
  • Final
    M31 in LRGBHa, 



    
        

            Jim McPherson
    C

B

Description: Changed the white balance to be "more bluer"

Uploaded: ...

C

Description: I think I like this the best. A compromise between the previous two. Which do you prefer?

Uploaded: ...

Sky plot

Sky plot

Histogram

M31 in LRGBHa, 



    
        

            Jim McPherson

In these public groups

NOVAC