David's Astronomy Pages CCD Images - Session 71 (2004-09-07) Images (S70)   Images (Main)   Home Page   Images (S72)

Notes (S00071)

- Imaging session was with a focal reducer bringing 8" f/10 LX200 to f/7. 
- Images were recorded with ST7 CCD camera. Filter Wheel with CBVRI filters
- Cloud rapidly build up and cut short the 1.6 hour session.
[ More notes ]

Back to Top

Albireo - Double Star

Albireo - Double Star (Cygnus) Albireo (β1 Cyg): Orange (mag +3.0),  Companion (β2 Cyg): Blue (mag + 5.1) Separation 34 arc secs

CCD Colour Composite Blue (B 1.0s), Green (V 0.3s), Red (R 0.3s) 2004-09-07 21:30 hUT (# 71026,34,36)

Star field around Albireo (Cygnus) Enhanced Image Display Magnitude Limit  = +12.5

CCD Image, 10s exposure, C Filter Logarithmic Scaling, Range 105 - 40000 ADU 2004-09-07 21:31h UT (# 71039) [ What is the Magnitude Limit of an Image - discussion  on this Image of a Starfield around Albireo  ]

Back to Top

'Star Chains' near Alshain

Star Chains near Alshain (Aquila) (Image Centre is 13 arc min NE of Alshain)

CCD Image, 3x60s exposure (median combine) C Filter 2004-09-07 21:59h UT (#71057-59)

Back to Top

NGC 70 - Galaxy Group

NGC 70 Galaxy Group (Andromeda) NGC 67 (catalog mag +14.8), NGC 68 (catalog mag +14.4), NGC 69 (catalog mag +15.8),  NGC 70 (catalog mag +14.2), NGC 71 (catalog mag +13.3), NGC 72 (catalog mag +13.8), NGC 74 (catalog mag +15.6), PGC 1891312 (catalog mag +17.7),  PGC 1889183 (catalog mag +17.4), PGC 1889390 (catalog mag +16.8), PGC 1887599 (catalog mag +16.9), PGC 138159 (catalog mag +16.5)

CCD  Image, 9 x 60s (summed) , C Filter 2004-09-07  21:35 to 21:45h UT (#71041-49)

NGC 70  Galaxy Group

Negative CCD Image (details as above)

NGC 70  Galaxy Group (Note : Spiral nature of NGC 72 Galaxy is visible in this display)

False Colour CCD Image (Square root brightness scaling) (Image details as above)

Back to Top

NGC 7814 - Spiral Galaxy

NGC 7814 (Andromeda)  Edge on Spiral Galaxy, Dust Lane Prominant

CCD Image, 5x60s exposure (average combine) C Filter 2004-09-07  21:52 h UT (#71051-55)

NGC 7814 (Andromeda)  also visible are galaxies  PGC 259 (catalog mag 15.3), PGC 1500064 (catalog mag 17.6) plus several other suspected faint 'uncatalogued' galaxies

CCD Image as above (annotated)

NGC 7814 (Andromeda)

CCD Image as above (smaller black-white range)

Back to Top

NGC 7479 - Spiral Galaxy

NGC 7479 Barred Spiral Galaxy (Pegasus)

CCD Image, 3x60s exposure (median combine) C Filter 2004-09-07 21:59h UT (#71057-59)

Back to Top