Contains:Ring nebula in Lyra, M 57, NGC 6720, IC 1296
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Ring Nebula, 




    

        Chris Sullivan
Ring Nebula

Ring Nebula

Technical card

Resolution: 1825x1250

Dates: May 3, 2018May 25, 2018June 5, 2018June 8, 2018June 12, 2018June 15, 2018June 16, 2018June 18, 2018June 20, 2018June 25, 2018June 30, 2018July 1, 2018July 3, 2018July 10, 2018

Frames:
ZWO Blue: 108x120" (gain: 139.00)
ZWO Green: 80x120" (gain: 139.00)
ZWO H-alpha 7nm: 168x300" (gain: 139.00)
ZWO H-alpha 7nm: 8x600" (gain: 139.00)
Baader IR-Cut Moon & Skyglow Neodymium: 68x120" (gain: 139.00)
ZWO OIII: 54x300" (gain: 139.00)
ZWO Red: 95x120" (gain: 139.00)

Integration: 31.5 hours

Avg. Moon age: 15.16 days

Avg. Moon phase: 52.08%

Bortle Dark-Sky Scale: 8.00

Astrometry.net job: 2148843

RA center: 283.394 degrees

DEC center: 33.028 degrees

Pixel scale: 0.488 arcsec/pixel

Orientation: 178.639 degrees

Field radius: 0.150 degrees

Locations: Home Roof (Bortle 8 / Est. Sky Quality: 18.53), Springfield, PA, United States

Data source: Backyard

Description

It was such a PIA to get the halo to show! Special thanks to Madratter and Ron Brecher for their tutorials on deconvolution (I used both simultaneously), to J-P Metsavainio for his tone mapping technique and also to Dan Wilson who pointed out an issue I was having with my stars.

Comments

Author

Chris-PA
Chris Sullivan
License: None (All rights reserved)
2333
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Revisions

  • Ring Nebula, 




    

        Chris Sullivan
    Original
  • Ring Nebula, 




    

        Chris Sullivan
    B
  • Ring Nebula, 




    

        Chris Sullivan
    C
  • Final
    Ring Nebula, 




    

        Chris Sullivan
    D

B

Crop without the halo.

C

Full image with halo.

D

Crop with halo.

Sky plot

Sky plot

Histogram

Ring Nebula, 




    

        Chris Sullivan