Aurora Pictures from Gordon Bradbury (thanks to Brian Brooks for the slide scanning
and John Hoad for the notes, references and matching times to slides).
Date of event - Saturday 22nd January 2005
Location - Guisborough.
Film - Kodak Ektachrome 200ASA transparencies 35mm
Lens - 24mm @ f3.6 @ 40sec./pic
Brief history. Gordon was asked by his nieces to take them,
their friends and a teacher to look through a telescope at Saturn and the Moon.
However, the evening had a suprise in store. By 1830 an Aurora had started to build.
The likely source of this Aurora was the X7 class solar flare Jan 20 (see Astronomy Now March 2005 page 13, and July 2005 page 9).
The latest selection from Gordon Bradbury in Yorkshire.
M13 - 5th February at 01:30. 30x180 second images taken through a 200mm telephoto lens at f15
piggy-backed to telescope stacked together using Astorart and enhanced using Adobe Photoshop.
M51 - 10th March 2005 at 01:30. MXC5 colour camera and 8inch LX200 at f6.3.
20x120 second images stacked together using Astroart and enhanced using Adobe Photoshop.
M57 - 10th March 2005 at 02:30. MXC5 colour camera and 8inch LX200
at f10. 30x120 second images. Astroart used for darkframe subtraction, bias frame,
& stacking the images, Adobe Photoshop used to alter the contrast and colour balance.
Mag 15 galaxy IC1296 at top right of image again 30x120 second images
stacked together using Astorart then stitched together using Adobe Photoshop.
M57 + M51 scaled up in size by 125%, M13 scaled up by 150%
By John Knight - Handheld digital camera and 6" reflector, Sept 7th 2003.
Brian Brooks' deep space collection from
CDEPA near
Tavira in the Algarve (early May 2002). All images about 20 seconds with MX9 ccd and F6.3
focal reducer.
Let the mouse hover over the picture for NGC / Messier numbers, and click for the
full size image in a new window.
More from Gordon Bradbury (Jan 27 2002)
Gordon Bradbury's Moon selection:
(8" Meade LX50 with CCD.) with annotation by Brian Brooks.
Gordon Bradbury's Jupiter & Saturn pictures:
(8" Meade LX50 at f10 and x2 Barlow with CCD.)
All images had dark frame and flat frame correction before converting to colour.
Working top to bottom the exposure time decreases, and left to right shows the
effect of chromatic adjustment and sharp/smooth filters.
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