M44, Beehive Cluster (Praesepe)
This open star cluster contains approximately 1,000 stars, including a mixture of main-sequence stars, red giants and white dwarfs. Its estimated age is 700 million years.
General information
- Constellation
- Cancer
- Category
- Clusters and stars
- Date
- 29 January 2022
Capture
- Total time
- 1h
- Subframes
- 300s (L: 12x) ISO 800
- Gain / Offset
- 0 / 0
- Calibration
- 20 dark frames, 50 flat frames, 50 dark-flat frames, 50 bias frames
Equipment
- Telescope
- TS102 f/5.6
- Camera
- modified Nikon D90
- Filters
- UV/IR
- Mount
- HEQ-5 Pro belt drive
- Guiding
- Guide scope 60mm f/4 + ASI224MC with PHD2
Processing and environment
- Processing
- Stacked with DSS, post-processed with PixInsight
- Location
- l'Ampolla, Tarragona
- Sky
- Bortle 4