Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 97  ·  NGC 3587  ·  Owl nebula  ·  PK148+57.1
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Owl Nebula, a LRGB, narrowband picture, 



    
        

            Niels V. Christensen
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Owl Nebula, a LRGB, narrowband picture

Getting plate-solving status, please wait...
Owl Nebula, a LRGB, narrowband picture, 



    
        

            Niels V. Christensen
Powered byPixInsight

Owl Nebula, a LRGB, narrowband picture

Imaging Telescopes Or Lenses
WO FLT-110 WO · Meade Lx200ACF 16" F6.2 Meade SCT 16"
Imaging Cameras
Atik 460 EX Mono Atik 460EX Mono · ZWO ASI 1600MM-Cooled ZWO mono
Mounts
Milburn Wedge Wedge mounted on a pole
Filters
Baader LRGB, Hubble palette filters Baader filters
Accessories
Meade on wedge · Optec lepus 0.62 Optec reducer
Software
The SkyX Pro, CCDStack2, RegiStar, PS. Diff. SW products · The Sky, CCDSoft, Atik, CCDStack2, PS Diff. products
Guiding Telescopes Or Lenses
Individual ED70mm Individual
Guiding Cameras
SBIG ST-i SBIG · loadstar II Lodestar Autoguider

Acquisition details

Dates:
March 19, 2016 ·  March 1, 2019 ·  March 11, 2019
Frames:
Integration:
15h 49'
Avg. Moon age:
13.50 days
Avg. Moon phase:
42.90%

RA center: 11h14m36s.16

DEC center: +55°0351.6

Pixel scale: 2.561 arcsec/pixel

Orientation: 56.583 degrees

Field radius: 0.744 degrees

More info:Open 

Resolution: 1656x1280

Locations: Home observatory, Copenhagen, DK-2270 Kastrup, Denmark

Data source: Backyard

Description

A combination of subs taken in March 2016 & 2019.

Exposure details from 1. March 2019,

WO FLT-110/ZWO 1600MM cool: L=64x120sec

16" F6.2 SCT/Atik Horizon: Ha, OIII, SII=8,7,7x300sec

Exposure details from 11. March 2019,

WO FLT-110/ZWO 1600MM cool: L=9x120sec, RGB=87x120sec

16" F6.2 SCT/Atik Horizon: L=8x60sec, RGB=38x120sec+60x60sec

Main part of the Ha, OIII, SII info. come from this picture, taken in 2016,

https://astrob.in/162408/E/

The green halo surrounding M97 is coming from OIII information that was merged into the green & blue color "channels".

My home build observatory is placed in my front yard/in the "red light" pollution zone, have a look here,

Red Zone

The different M97 LRGB, NB stacks can be shown/shared if needed, please just let me know.

CS Niels

Comments

Revisions

    Owl Nebula, a LRGB, narrowband picture, 



    
        

            Niels V. Christensen
    Original
  • Final
    Owl Nebula, a LRGB, narrowband picture, 



    
        

            Niels V. Christensen
    B

B

Description: Minor level adjustment performed :-)

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Sky plot

Sky plot

Histogram

Owl Nebula, a LRGB, narrowband picture, 



    
        

            Niels V. Christensen