David's Astronomy Pages
CCD Images - Session 548 (2013-10-12)

Objects Session Notes
Bullet NGC 2366 - Spiral Galaxy
Bullet BL Lac - Active Extragalactic Object (Blazer)
Bullet NGC 7610 - Spiral Galaxy with SN 2013fs
Bullet 154P/Brewington - Comet
Bullet NGC 6742 - Planetary Nebula (Abell 50)
Bullet C/2012 F6 (Lemmon) - Comet
Bullet NGC 3718 - Spiral Galaxy
Bullet NGC 3729 - Spiral Galaxy
 
Bullet Variable Stars
Bullet Photometric Monitoring - Variables
- RX And, Z And, TT Ari, R CrB, S Cyg, SS Cyg, AM Her, U Her, BL Lac, RU Peg, GK Per, FG Sge, U Sge, V Sge, WZ Sge
Bullet Astrometric Monitoring - Nearby Stars
- Barnards Star, Groombridge 34, EV Lac, Teegardens Star
- Evening session (3.9 hrs duration). 
- Session operated under semi-automated control, with remote monitoring from indoors computer.  
- Ambient Temperature:  3 - 5 degC minimum
- CCD operation -25 degC (at 77% average cooling).  
- main objectives of the session were to acquire images selected project stars for ongoing photometric and astrometric analysis.
-

NGC 2366 - Spiral Galaxy (M81 Galaxy Group)

NGC 2366 (Camelopardalis)
Image
CCD Image (50% size)
7 x 120 sec exposure (average combine), 3x3 binning, C Filter
2013-10-12 19:04hUT (#548001-07)
12" LX200R  (at f/9.7) + ST-10XME
 
NGC 2366- detail 
The smaller galaxy to the lower left is NGC 2363
Image
CCD Image (cropped)
Image details as above

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BL Lac - Active Extragalactic Object (Blazer)

BL Lac (Lacerta)
BL Lac variable : red cross-hairs
comparison & check stars  : yellow cross-hairs

Image

2013-10-12

BL Lac :  +13.04 (R)

Annotated CCD Image (cropped)
2 x 60 sec exposure (average combine), 
3x3 binning, R Filter
2013-10-12 20:01hUT (#548077-78)
12" LX200R  (at f/9.7) + ST-10XME

  

Image

Earlier Image : 2012-12-26 

BL Lac :  +14.83 (R)

Annotated CCD Image (cropped)
2 x 60 sec exposure (average combine), 
3x3 binning, R Filter
2012-12-26 20:04hUT (#535103-04)
12" LX200R  (at f/9.7) + ST-10XME

  

 

Image

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NGC 7610 - Spiral Galaxy with SN 2013fs

NGC 7610 with supernova SN 2013fs (Pegasus)
SN 2013f (Type IIn) was discovered 2013/10/06.739 by Koichi Itagaki
(Rochester Supernova site | Discovery Image )

The image below was taken 6.1 days after discovery when the nova was at magnitude  +15.2
The nova is the indicated by white markers.
Image
Annotated CCD Image (cropped)
5 x 120 sec exposure (average combine), 3x3 binning, C Filter
2013-10-12 20:29hUT (#548117-21)
12" LX200R  (at f/9.7) + ST-10XME
NGC 7610 - detail
Image
Negative CCD Image (cropped)
Image details as above
NGC 7610 - wider view
Image
CCD Image (50% size)
Image details as above

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154P/Brewington - Comet

154P/Brewington- 2013-10-12
(Passing through starfield in Aquarius. Sun Distance 1.74 AU)
Bright star is HIP 108506 (mag +6.2)

Estimated magnitude of comet is +14

Image

CCD Image (50% size)
5 x 60 sec exposure (average combine), 3x3 binning, C filter, 
2013-10-12 20:39hUT (#548123-27)
12" LX200R  (at f/9.7) + ST-10XME

Image

CCD Image (cropped)
Image details as above

154P/Brewington - Earlier Image 2013-10-11
(Passing through starfield in Aquarius. Sun Distance 1.74 AU)

Image

CCD Image (cropped)
4 x 60 sec exposure (average combine), 3x3 binning, C filter, 
2013-10-11 20:23hUT (#547250-53)
12" LX200R  (at f/9.7) + ST-10XME

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NGC 6742 - Planetary Nebula (Abell 50)

NGC 6742 / Abell 50 / PLN 78+18.1  (Draco)

Image

CCD Image  (Wide View)
5 x 90 sec exposure (average combine), 3x3 binning, C Filter 
2013-10-12  22:07 h UT  (#548210-14)
12" LX200R  (at f/9.7) + ST-10XME

 

Image

Annotated CCD Image (cropped)
Image details as above

 

NGC 6742 - detail

Image

CCD Image (200% size, cropped)
Image details as above

 

NGC 6742 - Earlier Image

Image

CCD Image (cropped)
3 x 20 sec exposure (average combine), 3x3 binning, C Filter 
2011-11-01 20:28 h UT  (#482084-88)
12" LX200R  (at f/9.7) + ST-10XME

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C/2012 F6 (Lemmon) - Comet

C/2012 F6 (Lemmon) - 2013-10-12
(Passing through starfield in Draco. Sun Distance 3.22 AU)
Est. Mag +13.5

Image

CCD Image ( cropped)
4 x 60 sec exposure (average combine), 3x3 binning, C filter, 
2013-10-12 21:18hUT (#548174-78)
12" LX200R  (at f/9.7) + ST-10XME

C/2012 F6 (Lemmon) - Earlier Image, 2013-10-11
(Passing through starfield in Draco. Sun Distance 3.20 AU)

Image

CCD Image ( cropped)
5 x 60 sec exposure (average combine), 3x3 binning, C filter, 
2013-10-11 20:35hUT (#547266-70)
12" LX200R  (at f/9.7) + ST-10XME

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NGC 3718 - Spiral Galaxy 

NGC 3718 (Ursa Major)
Image
Annotated CCD Image (cropped)
5 x 120 sec exposure (average combine), 3x3 binning, C Filter
2013-10-12 22:19hUT (#548217-21)
12" LX200R  (at f/9.7) + ST-10XME

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NGC 3729 - Spiral Galaxy 

NGC 3729 (Ursa Major)
Image
CCD Image (50% size)
5 x 120 sec exposure (average combine), 3x3 binning, C Filter
2013-10-12 22:32hUT (#548224-28)
12" LX200R  (at f/9.7) + ST-10XME
 
NGC 3729- detail 
Image
CCD Image (cropped)
Image details as above

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Variable Stars

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