NGC2237, Rosette Nebula
The Rosette Nebula is a large, circular emission nebula surrounding a cluster of young, hot stars known as the Rosette Cluster, NGC2244. It has an apparent size of 80.0 × 60.0 arcminutes and lies approximately 5,500 light-years away.
General information
- Constellation
- Monoceros
- Category
- Nebulae
- Date
- 29 December 2024
Capture
- Total time
- 13 h 20 min
- Subframes
- SHO: 40 × Ha, 40 × OIII and 40 × SII at 240 s, bin 1; HOO: 5 h 20 min with the corresponding light frames
- Gain / Offset
- N/A / N/A
- 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 -10 ºC
- Filters
- Ha, OIII and SII Astronomik, 6 nm
- Mount
- Sky-Watcher Wave 150i
- Guiding
- Guide scope 60 mm f/4 + ASI224MC + PegasusAstro UCH + PPBMicro with PHD2
- Focuser
- ZWO EAF
- Filter wheel
- ZWO EFW 7pos
Processing and environment
- Processing
- Stacked and post-processed with PixInsight 1.9.2
- Acquisition
- NINA
- Location
- l'Ampolla, Tarragona
- Sky
- Bortle 4