Hemisphere:  Southern  ·  Constellation: Serpens (Ser)  ·  Contains:  Eagle Nebula  ·  IC 4703  ·  M 16  ·  NGC 6611  ·  Sh2-49  ·  Star Queen  ·  Star Queen nebula
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M16 - The Eagle Nebula - My second attempt.., 



    
        

            Patrick Cosgrove
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M16 - The Eagle Nebula - My second attempt..

Getting plate-solving status, please wait...
M16 - The Eagle Nebula - My second attempt.., 



    
        

            Patrick Cosgrove
Powered byPixInsight

M16 - The Eagle Nebula - My second attempt..

Imaging telescopes or lenses: William Optics FLT 132 Triplet APO f/7

Imaging cameras: ZWO ASI294CC Pro

Mounts: iOptron Cem60

Guiding telescopes or lenses: William Optics 50mm Guidescope

Guiding cameras: ZWO 290MM Mini

Software: IDEIKI Astro Photography tool  ·  phd2

Filters: Optolong UV-IR Cut Filter

Accessory: Pegasus Astro FocusCube 2  ·  QHYCCD Polemaster


Dates:June 18, 2020

Frames: 79x120" (2h 38')

Integration: 2h 38'

Avg. Moon age: 26.86 days

Avg. Moon phase: 7.84%


RA center: 18h18m56s.66

DEC center: -13°4727.1

Pixel scale: 1.046 arcsec/pixel

Orientation: 8.117 degrees

Field radius: 0.496 degrees

More info:Open 


Resolution: 2822x1922

Locations: Home Observatory (My Driveway), HONEOYE FALLS, NY, United States

Data source: Backyard

Description

Messier 16 - The Eagle Nebula.

M16, known most commonly as the Eagle Nebula, it is also known as the Star Queen Nebula and the Spire. It is a rich open cluster of about 8100 stars surrounded by a rich region of gas and dust. Located towards the south during the summer season, M16 can be seen in the constellation Serpens, and is located about 5100 light years away. The names have to do the darker structures in the center of the nebula. This area has been made famous by the Hubble Space Telescope classic image: The Pillars of Creation.

The first time I shot this was last October, when I was just starting out in Astrophotography. I was eager to try this one again to see if I was able to improve on it.

I have been working on my automation and I was all set to have the scope acquire the target, center on it, focus the camera and startup the guider all on its own. I went to bed! I set a timer to check on it and it was a good thing I did - as my Sequence Generator Pro software was failing to plate solve the star field. Hmmm - this had not happened before - but it caused the start of my series to be late. I restarted the software and suddenly all was good. I was aiming for 2+ hours of exposure integration but instead ended up with 29 2-minute exposures - Less than half of what I wanted - before M16 set into the trees at my location. UPDATE: I went back on 6-18-20 and added another 50 2 minute subs to the image now shown).

So I worked with this data - call it preliminary - to produce this image. My plan is to go out tonight and get another couple of hours of data and see how far I can take it!

Summary: This image resulted from 29 x 120 second captures. Captured with a William Optics 132 mm FLT APO scope on an IOptron CEM60 mount. Camera was a ZWO ASI294MC-Pro. Capture was done using Sequence Generator Pro and PHD2 Guiding. Processing was with DeepSky Stacker, Pixinsight, and Photoshop.

Comments

Revisions

  • M16 - The Eagle Nebula - My second attempt.., 



    
        

            Patrick Cosgrove
    Original
  • M16 - The Eagle Nebula - My second attempt.., 



    
        

            Patrick Cosgrove
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  • M16 - The Eagle Nebula - My second attempt.., 



    
        

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  • Final
    M16 - The Eagle Nebula - My second attempt.., 



    
        

            Patrick Cosgrove
    D

B

Description: I went back and took another night's data bringing the number of 2-minute subs up to 80. I am not happy with how the stars came out here so I will experiment with PI and see if I can improve them. I will also update the stats on the capture of this image.

Uploaded: ...

C

Description: With more data, I have explored some addition processing methods leveraging Stasrnet++ and came up with this version which I like better.

Uploaded: ...

D

Description: some modest artifact cleanup.

Uploaded: ...

Sky plot

Sky plot

Histogram

M16 - The Eagle Nebula - My second attempt.., 



    
        

            Patrick Cosgrove