David's Astronomy Pages
Images - Session 666 (2019-02-21)

Objects Session Notes
Bullet Gallery Objects
  - None
   
Bullet Variable Stars (photometric monitoring)
  - TV Cas, RZ LMi, RR Leo, ER UMa
   
Bullet Nearby Stars (astrometric monitoring)
 - None
    
   
- Post-Midnight Session (2019-02-22 calender date),  Duration 3.9hr

Session operated in unattended, fully automated mode, apart from the initial session star-up

Sky conditions  poor (bright sky due to moon)  and high cloud.

- Main aim of the session was to continue acquiring  light curve data for selected  variables over the course of a few hours with aim of detecting variation associated with eclipsing binary stars , RR Lyr stars and dwarf nova
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature:  7°C (minimum)
- CCD Temperature:  -20°C  / 78% av. power)
- Notes from 2019-02-21 >>