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M27 Dumbbell Nebula

Evgeniy Sergeev
962372
Category:Deep Sky
Published:
2091
M27 Dumbbell NebulaNGC 6853
Resolution:
3700x2700 px
File size:
4899 KB

Technical information

Telescope/Lens
Sky-Watcher 200PDS
Camera
ZWO ASI294MM Pro
Mount
Sky-Watcher EQ6-R Pro
Guide Scope
SVBONY SV106
Guide Camera
ZWO ASI178MM
Accessories
Sharpstar 0.95x MPCC, ZWO ASIAIR Plus, ZWO EFW
Software
Pixinsight, Adobe Photoshop
Location
Kolomna, Russia

Light pollution

Yellow, Bortle 5 zone

Date taken

Exposure

  • 18 × 300″ · ISO/Gain: 120 · Optolong Ha 7nm, Bin2, -20C ·
  • 14 × 300″ · ISO/Gain: 120 · Optolong Oiii 6.5nm, Bin2, -20C ·

Total exposure: 2 h 40 m

Comments

Bootlegger
Working on the outer regions of M27 for under 3 hours at f/5 from the city... But how, Holmes?
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Evgeniy SergeevReply to Bootlegger
I didn't expect such a result myself. I shoot in the suburbs, about 4km from the city. There was no moon at all. And processing the outer regions, oddly enough, was the easiest part here. I struggled with refining the main area.
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