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CCD Images - Session 129 (2006-06-25)

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Objects Session Notes
Bullet 61 Cygni - Star (the 'flying star')
Bullet SS Cyg - Variable Star
Bullet M3 - Globular Cluster
Bullet Barnard's Star
Bullet NGC 6905 - Planetary Nebula
Bullet HIP 67593 - Nearby star
Bullet R CrB - Variable Star
- 3 hr session 
(+ 1 hour pre session sky flats)
- bright sky due to astronomical twilight conditions
- opportunity was taken to acquire images for astrometric analysis of several nearby stars. 
- More Notes
-

61 Cygni - Star (The 'flying star')

Astrometric measurements made, as part of a ongoing study to attempt to measure proper motion and annual parallax of 61 Cygni.
( 61 Cygni Project )

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SS Cyg - Variable Star

Measurements made in B, V, R filters.   

SS Cyg (Cygnus)
Animated CCD Sequence (V Band) showing +3.5 mag brightening of SS Cyg 
Image 
 Animated CCD Image 
3 frames (3 x 30s,median combine), V filter
2006-06-15 (#128034-36), V mag +13.0
2006-06-25 (#129134-36), V Mag +  9.0
2006-07-17 (#130025-27), V Mag  +13.2
 
SS Cyg variation between 2006-05-24 and 2006-07-17 
Image 

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M3 - Globular Cluster

M3 (Canes Venatici)
Image
CCD Image (75% size)
6 x 60s exposure (Median combine), 1x1 binning, C Filter 
2006-06-25 00:46 hUT (#129142-49)
[ Full Size Image ]

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Barnard's Star (HIP 87937)

Astrometric measurements made, as part of a ongoing study to attempt to measure proper motion and annual parallax of Barnard's Star.
( Barnards Star Project )

Astrometry measurement of Barnard's Star based on 7 images 
(#129162-68), 1x1 binning, 10s exposure, C Filter
(48 to 62 UCAC2 stars solution)
Date (UT) Star RA (epoch 2000) Dec (epoch 2000)  
2006-06-25 23:50 Barnard's, HIP 97937 17h 57m 48.13s +/-0.01s +04d 42m 43.29s +/-0.04s  
Errors bars at +/-1 SD

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HIP 67593 - Nearby star 

Astrometric measurements made, as part of a ongoing study to attempt to measure proper motion and annual parallax of HIP 67593.
( HIP 67593 Project )

HIP 67593  (Bootes) - BD+24 2650B
Nearby star ?7.9 / ?9.6 light years from the Sun
Star with 6th largest proper motion
Binary Star (WD HJ 2688)
A : HIP 67594
B : HIP 67593
[ Notes : Measured Separation : 29.7 arc secs, PA 292.2 deg ]
Image
Annotated CCD Image (50% size)
5 x 60s exposure (Average median combine), 1x1 binning, C Filter 
2006-06-15 01:14 hUT (#128085-89)
 
Astrometry measurement of HIP 67593  based on 5 images (#128085-89)
1x1 binning, 60s exposure, C Filter
Date/Time (UT) Star RA (epoch 2000) Dec (epoch 2000)  
2006-06-15 01:14  HIP 67594 (A) 13h 51m 02.91s +/-0.01s +23d 45m 44.66s +/-0.12s  
2006-06-15 01:14  HIP 67593 (B) 13h 51m 00.91s +/-0.01s +23d 45m 55.85s +/-0.09s  
Average Position, Errors bars at +/-1 SD

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NGC 6905 - Planetary Nebula

NGC 6905  (in Delphinus)
Image
CCD image
3 x 60 sec exposures (average combine)
2006-06-26  00:58h UT (#129227-29)
8" LX200 + ST7
 
NGC 6905 - earlier image (2003)
Image
CCD image,  6 x 20 sec exposures (median combine)
2003-08-03  22:47 to 22:49 h UT (#48048-53)
11.4 x 7.6 arc mins 
 
Image
CCD image,  6 x 30 sec exposures (1x1 binning, summed)
2003-08-03  22:50 to 22:56 h UT (#48054-59)
4.1 x 3.3 arc mins 

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R CrB - Variable Star

R CrB (Corona Borealis)
Image
Annotated CCD Image
3 x 30s exposure (average combine), 2x2 binning, C Filter 
2006-06-15 01:21 hUT (#128092-94)

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This Web Page: CCD Images - Session 129 (2006-06-25)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site