niteskys.com - 73P (Schwassmann-Wachmann)
 

 

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Image Data

LRGB - 05/13/2006

22 minutes luminance
22 minutes red
22 minutes green
22 minutes blue

Equipment Used

Takahashi Sky90
f4.5 field flattener
Takahashi NJP Mount
SBIG ST-2000XM w/CFW8A
Tru-Balance Filters

Processing Tools

CCDSoft
Sigma Beta 11
AIP4WIN
Photoshop CS
GradientXTerminator

 
<click on image for full resolution - 900K>


The above image shows the B fragment of 73P at 7:28 UT on 5/13/06.  This image was taken when Fragment B was located in the constellation Cygnus at RA 20h 30m and Declination +35° 53'.

 

      
 
 

 

Image Data

LRGB - 05/13/2006

12 minutes luminance
12 minutes red
12 minutes green
12 minutes blue

Equipment Used

Takahashi Sky90
f4.5 field flattener
Takahashi NJP Mount
SBIG ST-2000XM w/CFW8A
Tru-Balance Filters

Processing Tools

CCDSoft
Sigma Beta 11
Photoshop CS
GradientXTerminator


The above image shows the C fragment of 73P at 9:05 UT on 5/13/06.  This image was taken when Fragment C was located in the constellation Vulpecula at RA 21h 11m and Declination +24° 07'.

 

      
 
 

 

Image Data

LRGB - 04/16/2006

16 minutes luminance
14 minutes red
14 minutes green
14 minutes blue

Equipment Used

Takahashi Sky90
f4.5 field flattener
Takahashi NJP Mount
SBIG ST-2000XM w/CFW8A
Tru-Balance Filters

Processing Tools

CCDSoft
Sigma Beta 11
AIP4WIN
Photoshop CS
GradientXTerminator

 
<click on image for full resolution - 800K>


The above image shows the B and G fragments of 73P at 5:13 UT on 4/17/06.  Fragment B is the brightest of the two fragments. Fragment G is much fainter and is located towards the upper right edge of the image.  This image was taken when Fragment B was located in the constellation Boötes at RA 14h 59m and Declination +26° 40'.

This image was selected as  Astronomy Magazine Picture Of the Day  for April 24, 2006. 

 
  Unless otherwise noted, images and site content copyright © 2006, 2007 Richard McCoy
 
09/03/2007
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