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Contains:  Bubble nebula, IC 1470, M 52, NGC 7510, NGC 7538, NGC 7635, NGC 7654
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Bubble and Lobster Claw, 



    
        

            Andreas Dietz
Bubble and Lobster Claw
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Bubble and Lobster Claw

Technical card


Dates:Sept. 25, 2018Sept. 27, 2018Sept. 30, 2018

Frames:
Baader Planetarium Ha 36mm 7nm: 400x60" (gain: 270.00) bin 1x1
Baader Planetarium OIII 36mm 8.5nm: 750x60" (gain: 270.00) bin 1x1
Baader Planetarium SII 36mm 8nm: 350x60" (gain: 270.00) bin 1x1

Integration: 25.0 hours

Avg. Moon age: 17.45 days

Avg. Moon phase: 88.25%


Basic astrometry details

Astrometry.net job: 2985582

RA center: 23h 16' 18"

DEC center: +60° 48' 18"

Pixel scale: 3.834 arcsec/pixel

Orientation: 1.331 degrees

Field radius: 1.835 degrees


Resolution: 2935x1806

Locations: Home Observatory, Regensburg, Bavaria, Germany

Data source: Backyard

Description

Hi again,

this is a widefield view into Cassiopeia, to the famous Bubble Nebula and the quite unknown Lobster Claw Nebula Sh2-157. I really like the Claw as it has some nice prominent OIII regions.
I had to deal with large star halos in the SII channel, and I came accidentally to that quite unusual color mapping. The details are as follows:

R = MAX (Ha, SII)
G = MAX (SII, OIII)
B = OIII

Enjoy!

Comments

Author

dakloifarwa
Andreas Dietz
License: Attribution-ShareAlike Creative Commons
1340
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Bubble and Lobster Claw, 



    
        

            Andreas Dietz