IC434, Horsehead Nebula
The Horsehead Nebula, also known as Barnard 33, is a small dark nebula silhouetted against the glow of the IC434 emission nebula. It lies 820 light-years away from us.
General information
- Constellation
- Orion
- Category
- Nebulae
- Date
- 25 January 2024
Capture
- Total time
- 8h 55min
- Subframes
- (10xHalfa+10xOIII) x 360s bin1 + (25xHalfa+32xOIII+26xSII)x300s bin1
- Gain / Offset
- 125 / 30
- Calibration
- 50 flat frames, 50 dark-flat frames and 50 library dark frames, without bias frames
Equipment
- Telescope
- TS102 f/5.6
- Camera
- ASI294MM at -10ºC
- Filters
- H-alpha, OIII, SII Astronomik, 6 nm
- Mount
- HEQ-5 Pro belt drive
- Guiding
- PHD2, OAG ZWO + ASI224MC + PegasusAstro UCH + PPBMicro
- Focuser
- ZWO EAF focuser
- Filter wheel
- ZWO EFW 7pos
Processing and environment
- Processing
- PixInsight 1.8.9-2
- Acquisition
- NINA+CDC
- Location
- L'Ampolla, Tarragona
- Sky
- Bortle 4