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

Guiding telescopes or lenses: Individual ED70mm Individual

Guiding cameras: SBIG ST-i SBIG  ·  loadstar II Lodestar Autoguider

Focal reducers: Optec lepus 0.62 Optec reducer

Software: The SkyX Pro, CCDStack2, RegiStar, PS. Diff. SW products  ·  The Sky, CCDSoft, Atik, CCDStack2, PS Diff. products

Filters: Baader LRGB, Hubble palette filters Baader filters

Accessory: Meade on wedge


Dates:March 19, 2016March 1, 2019March 11, 2019

Frames:
Baader LRGB, Hubble palette filters Baader filters: 134x120" (4h 28') bin 1x1
Baader LRGB, Hubble palette filters Baader filters: 118x300" (9h 50') bin 1x1
Baader LRGB, Hubble palette filters Baader filters: 91x60" (1h 31') bin 1x1

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

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    Owl Nebula, a LRGB, narrowband picture, 



    
        

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



    
        

            Niels V. Christensen
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Description: Minor level adjustment performed :-)

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Owl Nebula, a LRGB, narrowband picture, 



    
        

            Niels V. Christensen