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Contains:  35 nu. And, Andromeda galaxy, Great Nebula in Andromeda, M 110, M 31, M 32, M110, M31, M32, NGC 205, NGC 221, NGC 224, NGC206, The star νAnd
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Andromeda galaxy M31/NGC224 including M32/NGC221, M110/NGC205, NGC206 and Nu Andromedae (c), 



    
        

            Ram Samudrala
Powered byPixInsight

Andromeda galaxy M31/NGC224 including M32/NGC221, M110/NGC205, NGC206 and Nu Andromedae (c)

Technical card


Dates:June 27, 2019

Frames:Baader Planetarium UV/IR Cut: 600x15" (gain: 0.50) -15C bin 1x1

Integration: 2.5 hours

Darks: ~240

Avg. Moon age: 24.08 days

Avg. Moon phase: 30.07%

Bortle Dark-Sky Scale: 3.00

Mean FWHM: 4.00

Temperature: 15.00


Astrometry.net job: 2783424

RA center: 0h 42' 17"

DEC center: +41° 13' 27"

Pixel scale: 1.689 arcsec/pixel

Orientation: 170.941 degrees

Field radius: 1.693 degrees


Resolution: 6010x4000

Data source: Backyard

Description

These are my first image(s) with my QHY247C OSC. I think it turned out okay relative to the mono image which was the first one I did with the QHY163 (http://ram.org/images/space/scope/1.4.1.5/norm_m31_Stack_32bits_360frames_5400s.v6.jpg). You can see the evolution of my gear and technique since the last two years. The mono image was taken on July 15, 2017 which was purely Sharpcap based livestacking, no dark subtraction, etc. on a Celestron AVX mount. Now the OSC image is a bit longer (though the 360 frame one looks good and I processed it a bit differently which I also include here) and the mount is a Paramount MyT and the processing is all done using PixInsight.

I processed a total of 720 15 second frames (3 hours total exposure) in PixInsight stacked the best 600 or 360 frames to produce these images using SubframeSelector. Inline version of the 360 frame version (processed a bit differently) is below and full sized image of the 90m version (360x15s) is here: http://ram.org/images/space/scope/1.7.4.6//m31_c_360x15s_90m.jpg

Comments

Author

ramdom
Ram Samudrala
License: Attribution Creative Commons
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Revisions

  • Final
    Andromeda galaxy M31/NGC224 including M32/NGC221, M110/NGC205, NGC206 and Nu Andromedae (c), 



    
        

            Ram Samudrala
    Original
  • Andromeda galaxy M31/NGC224 including M32/NGC221, M110/NGC205, NGC206 and Nu Andromedae (c), 



    
        

            Ram Samudrala
    B

B

Description: This is an image processed differently using only the best 360 of the 720 frames I collected using SubframeSelector in PI.

Sky plot

Sky plot

Histogram

Andromeda galaxy M31/NGC224 including M32/NGC221, M110/NGC205, NGC206 and Nu Andromedae (c), 



    
        

            Ram Samudrala

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Suburban Astrophotography