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CCD Images - Session 268 (2008-02-24)

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Images (S269)
 
Objects Session Notes
Bullet UGC 3014 - Three-armed Spiral Galaxy (ARP 20)
Bullet Comet 46P/Wirtanen
Bullet Saturn
Bullet FU Ori - variable star (FU Ori type)
Bullet IC 575 and companions - Perculiar Galaxy (ARP 292)
Bullet IC 609 - Spiral Galaxy with LSB companion on arm (ARP 44)
Bullet NGC 3184 - Spiral Galaxy
Bullet AN Ser - Variable Star
Bullet Astrometric & Photometric Monitoring
- SS Cyg, U Gem (dwarf nova)
- U And, W And, U Her (mira variables)
- BL Lac (blazar)
- RX And, Z And, KR Aur, AQ CMi, CV CMi, SY Cnc, RZ LMi, U Mon, FU Ori, DY Per, RR Tau, SU Tau, ER UMa  (variables)





- Evening session (6.7hr)
Temperature -1 degC, later climbing to +1 degC
- CCD operation of -25 degC 
(at 65% average cooling). 
- main objective was to acquire images of certain selected stars for ongoing photometric, in particular U Gem & RX And. 

UGC 3014 - Three-armed Spiral Galaxy (ARP 20)

UGC 3014 / ARP 20 (Taurus)

UGC 3014 - enlarged (arms not resolved)

Image Image
CCD Image
5 x 3 min exposure (average combine), 
2x2 binning, C Filter 
2008-02-24 21:50 h UT (#268150-54)
CCD Image (250% size, cropped)

Image details as left

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Comet 46P/Wirtanen

Comet 46P/Wirtanen  
( passing through starfield in Aries)

Image 
Annotated CCD Image 
120s exposure , 2x2 binning, C Filter
2008-02-24 22:16h UT (#268164)
Comet 46P/ Wirtanen  - detail
Image 
Annotated CCD Image 
5 x 120s exposure (av. combine), 2x2 binning, C Filter
2008-02-24 22:18h UT (#
268163-67)

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Saturn 

Saturn 

Image
CCD Image (250% size)
0.2s exposure, 1x1 binning, V Filter
2008-02-24 23:19 hUT (#268214)

  

Saturn Moons

Image
Annotated CCD Image
30s exposure, 1x1 binning (cropped), C Filter
(with 0.2s exposure insert)
2008-02-24 21:38 hUT (#268146)

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FU Ori - variable star (FU Ori type)

FU Ori (Orion)- reference stars  

Image 
Annotated CCD Image 
3 x 60s exposure , 2x2 binning, V Filter
2008-02-24 22:40h UT (#268180-84)

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IC 575 and companions - Perculiar Galaxy (ARP 292)

IC 575 and companions / ARP 292 (Sextans)

Image Image
Annotated CCD Image
5 x 3 min exposure (average combine), 
2x2 binning, C Filter 
2008-02-24 23:44 h UT (#268231-35)
Negative CCD Image 
(250% size, cropped)

Image details as left

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IC 609 - Spiral Galaxy with LSB companion on arm (ARP 44)

IC 609 with low surface brightness companion
 ARP 44 (Sextans)

Image Image
Annotated CCD Image
5 x 3 min exposure (average combine), 
2x2 binning, C Filter 
2008-02-25 00:18 h UT (#268254-58)
Negative CCD Image 
(250% size, cropped)

Image details as left

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NGC 3184 - Spiral Galaxy

NGC 3184 (Ursa Major)
Image
 CCD Image
7 x 2 min exposure (average combine), 
2x2 binning, C Filter 
2008-02-25 01:20 h UT (#268286-92)
  
  NGC 3184 - detail
Image 
 False colour CCD Image
Square root scaling, False Colour (Inverse Spectrum) 
Image details as above

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AN Ser - RRAB Type Variable Star

AN Ser (Serpens Caput) 
RR Lyrae variables with asymmetric light curves (steep ascending branches)
GCVS catalog variation +10.40 to +11.44, period 0.52207162

Image
Annotated CCD Image
60s exposure, 2x2 binning, C Filter
2008-02-25 01:46 hUT (#268305)

  

AN Ser - Reference stars

Image
Annotated CCD Image
120s exposure, 2x2 binning, V Filter
2008-02-25 01:43 hUT (#268303)

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 268  (2008-02-24)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site