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 CCD Images - Session 646 (2018-12-29)

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Objects Session Notes
Bullet GK Per - Variable Star
   
Bullet Photometric Monitoring - Variables
  - GK Per

- CI Cyg , AM Her attempts (failed due to cloud)
   
Bullet Astrometric Monitoring - Nearby Stars
 - None
    
   
- Short Evening Session (0.2 hours duration) .

Session caught short by developing clouds
- Main aim of the session was acquire images of a selection of nearby stars, variable stars and deep sky objects , and perform software testing.'
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature:  4°C (minimum) 
- CCD Temperature:  -20°C (79% av. power)
- Notes from 2018-12-29 >>
    

GK Per - Variable Star

GK Per (Perseus)
 
CCD Image (75% size, cropped)
8 x 180s exposure (average combine), 3x3 binning, Ha Filter
2018-12-24 17:29h UT (#644013-20)
12" LX200R  (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
GK Per - Earlier Image taken in 2010
taken with C Filter
 
CCD Image (80% size, cropped)
8 x 90s (average combine), 3x3 binning, C Filter
2010-02-20 19:44h UT (#414129-36)
12" LX200R  (at f/9.7) + ST-10XME
  

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This Web Page: CCD Images - Session 646 (2018-12-29)
Last Updated : 2019-01-02
Site Owner : David Richards
Home Page : David's Astronomy Web Site