Markarian's Chain
Photo description / processing
L channel:
Takahashi TSA 102s telescope + 0.7x reducer/flattener
QHY163m camera + IDAS NB1 filter
38x300s (gain 30, temp -15°C) + 73x120s (gain 174, temp -15°C)
RGB:
DeepSky 80/480 APO telescope + 0.79x reducer/flattener
QHY168c camera + Baader UHC-S filter
37x300s (gain 4, temp -15°C) + 75x120s (gain 10, temp -15°C)
Mount: SkyWatcher AZEQ6
Off-axis guider + QHY5L-IIm camera
Processing: calibration, alignment, stacking, post-processing – PixInsight + Photoshop.
Location: South Moscow, balcony.
Technical information
- Telescope/Lens
- Takahashi 102s, Deepsky 80/480 APO
- Camera
- Qhy163m, Qhy168c
- Mount
- Sky-Watcher AZ-EQ6 GT
- Guide Scope
- OAG
- Guide Camera
- QHY QHY5L-II-M
- Accessories
- 0.7 Reducer/Flettner, 0.79 Reducer/Flettner
- Software
- Astro Photography Tool, Pixinsight, Adobe Photoshop
- Location
- Москва, Россия
Light pollution
White, Bortle 8/9 zone
Exposure
- 38 × 300″ · ISO/Gain: 30 · Qhy163m + IDAS NB1
- 73 × 120″ · ISO/Gain: 175 · Qhy163m + IDAS NB1
- 37 × 300″ · ISO/Gain: 0 · Qhy168c + Baader UHC-S
- 75 × 120″ · ISO/Gain: 0 · Qhy168c + Baader UHC-S
Total exposure: 11 h 11 m
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