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The Whale and the Hockey Stick NGC 4631 and NGC 4656

Konstantin Tihonov
611789
Category:Deep Sky
Published:
6938
The Whale and the Hockey Stick NGC 4631 and NGC 4656NGC 4627NGC 4631NGC 4656NGC 4657
Resolution:
5078x2756 px
File size:
11862 KB

Photo description / processing

 

Technical information

Telescope/Lens
Sky-Watcher 150/750
Camera
ZWO ASI 585 mm Pro
Mount
homemade harmonic mount
Guide Scope
SVBONY 60/240
Guide Camera
ZWO ASI 120 MM mini
Accessories
Asi mini. Sharpstar 0.95x
Software
Siril, Adobe Photoshop
Location
Касимов, Россия

Light pollution

Yellow, Bortle 5 zone

Date taken

Exposure

  • 101 × 60″ · ISO/Gain: 200 · R-Optolong ·
  • 101 × 60″ · ISO/Gain: 200 · G-Optolong ·
  • 101 × 60″ · ISO/Gain: 200 · B-Optolong ·
  • 28 × 120″ · ISO/Gain: 200 · R-Optolong ·
  • 28 × 120″ · ISO/Gain: 200 · G-Optolong ·
  • 28 × 120″ · ISO/Gain: 200 · B-Optolong ·

Total exposure: 7 h 51 m

Comments

IvanRu
Great, I wonder what the average RMS values are for the mount?
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Konstantin TihonovReply to IvanRu
Thank you). The average is 0.5. In good weather, from 0.35 to 0.55
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