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This image was taken on Jan. 26 & 29 in Tucson and consists of 47 4-minute exposures. The Heart nebula is located in Cassiopeia and is 7,500 ly from Earth. The open cluster Melotte 15 lies at the nebula centre and its radiation drives the nebula's colour.
This image consists of 25 4-minute exposures taken in Tucson on Jan. 14th. The Rosette is a bright nebula located in the constellation Monoceros. The nebula surrounds an open cluster of hot, young stars (centre of image). It is 5,500 ly from Earth.
This image consists of 25 4-minute exposures and was taken in Tucson on Jan. 12th. This is another image captured last January and shown in an earlier post. As I gain more experience with Photoshop (in this case CS5) I am finding that I can stretch the image to a finished form without introducing noise. I also note this image was captured from a city lot and the Badder UHC filter removes any light pollution effects.
This image consists of 25 4-minute exposures taken in Tucson on Jan. 10. This was one of the first images I shot last year. The above image is less noisy than my first image. The Flame nebula is to the left of the bright star Alnitak (the left-most star in Orion's belt). It is about 900 ly from Earth and is part of the Orion molecular complex and includes the Horsehead nebula to the right of Alnitak.
