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NGC 281 (Pacman Nebula) - HOO

mishanya9876
921068
Category:Deep Sky
Published:
544
NGC 281 (Pacman Nebula) - HOOIC 11NGC 281IC 1590
Resolution:
4466x3160 px
File size:
16999 KB

Technical information

Telescope/Lens
Sky-Watcher 200PDS
Camera
ZWO ASI 1600MM Pro
Mount
UMi 17
Guide Scope
SVBONY 50mm Guide Scope
Guide Camera
ZWO ASI120MM Mini
Accessories
0.85x SW Quattro coma corrector, ZWO ASIAir Pro
Software
Siril, StarNet++, GraXpert, Adobe Photoshop
Location
Переславль-Залесский, Россия

Light pollution

Yellow, Bortle 5 zone

Date taken

Exposure

  • 98 × 120″ · ISO/Gain: 200 · Ha ·
  • 98 × 120″ · ISO/Gain: 200 · O-III ·

Total exposure: 6 h 32 m

Photo versions

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Comments

Buzzard
Comment on photo: NGC 281 (Pacman Nebula) - SHOfrom
Very cool!

How does the Umi17 perform with the 200PDS?
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mishanya9876Reply to Buzzard
Comment on photo: NGC 281 (Pacman Nebula) - SHOfrom
It performs very well, handling winds up to 2 m/s without any issues on a standard CG-4 tripod. RMS is consistently below 0.8", which is just slightly below the upper guiding limit for this focal length and camera combination. However, I use a corrector from Quattro, which gives an actual focal length of 865 mm instead of 1000.
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