COMET BRADFIELD C2004 F4

(quite faint but indeed there)

26th April 2004 4:03am

Canon 10D, 75-300mm EF zoom lens at 75mm,

ISO 800, f/9.5, 8 second image, RAW file conversion with CaptureOne and final processing in Photoshop

email gordon@mackayphotography.co.uk

© All photographs in the galleries copyright of Gordon Mackay

Please ask permission if you would like to use any of the photographs on this page, thanks.

COMET HOLMES P/17

December 13th 2007

Imaged with Canon 5D, Sigma 100-300mm APO zoom lens @300mm with IDAS light pollution reduction filter

20 x 3 minute and 10 x 5 minute exposures @ ISO1600, f/4, converted and processed in Images plus, final processing in Photoshop.

COMET HOLMES P/17

December 13th 2007

crop of original full frame image at 50% size.

NGC 1245 is the cluster of stars near by.

COMET HOLMES P/17

November 8th 2007

Imaged with Canon 10D, Sigma 100-300 APO zoom lens @ 300mm with 82mm IDAS LPR filter

18 x 1 minute and 10 x 5 minute exposures @ ISO800, f/4, combined in ImagesPlus and processed in Photoshop

COMET MACHHOLZ C/2004 Q2

26th Dec 2004 under a full moon

Orion 80ED, ST2000XM, guided on G-11

LRGB - 30/15/15/15

( L bin1x1 / RGB bin3x3) 5 min sub exposures, stacked and processed in ImagesPlus and PS

COMET NEAT C/2001 Q4

21st May 2004

Orion 80ED, Canon 10D

22 x 1 minute exposures at ISO1600, stacked and processed in ImagesPlus., cropped in PS

COMET LINEAR C2002 T7

17th Feb 2004

70mm Skywatcher Refractor, mounted on LXD55 mount

54 x 15 second images at ISO3200, stacked and processed in ImagesPlus