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M101 - Pinwheel galaxy

Category:Deep Sky
Published:
418
M101  - Pinwheel galaxyNGC 5447NGC 5449NGC 5450NGC 5453NGC 5458NGC 5451NGC 5455NGC 5457NGC 5461NGC 5462NGC 5471NGC 5477
Resolution:
3537x1889 px
File size:
31959 KB

Photo description / processing

I always have difficuties to do a correct picture of M101.
Here my last attempt but it's still not fine.
Any comment / advice are welcome.

Technical information

Telescope/Lens
Sky-Watcher 150/750PDS
Camera
SVBONY SV705C
Mount
EQ5 (OnStep Kit V4)
Guide Scope
SVBONY SV165
Guide Camera
Orion StarShoot AutoGuider
Accessories
SVBONY UV/IR-Cut Filter
Software
SharpCap, Siril, GIMP
Location
Marseille, France

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 13 × 300″ · ISO/Gain: 265 · CLS ·
  • 24 × 360″ · ISO/Gain: 265 · CLS ·
  • 13 × 360″ · ISO/Gain: 300 · CLS ·
  • 19 × 480″ · ISO/Gain: 265 · CLS ·
  • 18 × 480″ · ISO/Gain: 280 · CLS ·

Total exposure: 9 h 43 m

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