David's Astronomy Pages
CCD Images - Session 729 (2019-12-16)

Objects Session Notes
Bullet C/2017 T2 (PanStarrs) - Comet
   
Bullet M42 - Nebula (Great Nebula in Orion)
   
Bullet Variable Stars (photometric monitoring)
  - U Gem, FO Ori, U Mon, RR Tau, ER UMa
   
Bullet Nearby Stars (astrometric monitoring)
 - DX Cnc, LAMOST-HVS1, Scholz's Star
 
  
   
- Post-Midnight Session (3.8 hours)

Session operated under automated control

- Main aim of the session was to tune autoguiding and to acquire images of a selection of targets
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature:   2°C (min)
- CCD Temperature:  -20°C  (62% av. power)
- Notes from 2019-12-16 >>
    
   

C/2017 T2 (PanStarrs) - Comet

C/2017 T2 (PanStarrs) - 2019-12-17 am
(passing through Perseus)
Sun Distance 2.43 AU (approaching)
Earth Distance 1.54 AU (230.6 million km)
   C/2017 T2 (PanStarrs) - 2019-12-17 am, Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -106.31 arcsec/hr, Dec 50.19 arcsec/hr)
Image   Image
CCD Image (50% size, square root scale)
2 x 45s exposure (average combine), 3x3 binning, C Filter
2019-12-17 03:18 UT (#729054-55)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  CCD Image (100% size, log scale, cropped)
9 x 45s exposure (average combine), 3x3 binning, C Filter
2019-12-17 03:21 UT (#729054-62)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Images of C/2017 T2 (PanStarrs) on Comets 2019 Page    

False Colour Image of C/2017 T2 (PanStarrs) - 2019-12-17 am
Image
False Colour CCD Image (50% size, log scale)
9 x 45s exposure (average combine), 3x3 binning, C Filter
2019-12-17 03:21 UT (#729054-62)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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M42 - Nebula (Great Nebula in Orion)

M42 (Orion)
Image
CMOS Colour Image (20% size, cropped) 
52 x 10s, 1x1 binning,  Gain 200, Raw16
2019-12-17 02:16 UT (Set 1, SharpCap LiveStack, Stretched)
ASI178MC (OSC) + TS 80mm f/6 APO, mounted on 12" LX200R
Larger Image (50% size)
 
M42 - Detail
Image
CMOS  Image (44% size) 
Image details as above
 
M42 - Uncropped Image (Monochrome)
Image
CMOS  Image (16% size) 
Image details as above
 
M42 - Earlier Image (2007)
Image
CCD Image Mosaic (50% size, log scale)
120 sec, 2x2 binning, C Filter
2007-12-08 02:38hUT (#240241-52)
8" LX200 + ST-7E
 
M42 - Earlier Image (2017)
Image
CMOS Colour Image (33% size), Live Stacking of 222 frames
222 secs (3.7 mins), 222 x 1s, 1x1 binning, Gain 300, Raw16, ROI 3096x2080 (Full) 
2017-01-18 19:07h UT (#19_07_02Z). Non-Guided.
TS 80mm f/6 APO + ASI178MC (OSC), Mounted on 12" LX200R
Frames acquired using SharpCap, Processed using AIP4WIN
Larger Image (67% size)

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