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Rosette Mosaic
Imaging: Orion 80ED & DSI Pro II
Filter: Custom Scientific H-Alpha
Guiding: Orion 100ED & SBIG ST2000XM
Exposures: 6 x 10 minutes each X 15
Image Size: 1794 x 2151 pixels - 25 x 30 inches
Tiff Image Size: 23MB
To see the full size version of this image click on the image
This is a mosaic made from 15 individual photos. Each photo includes
6 sub-exposures that were 10 minutes each in duration. It was
taken over a 4 night period spaced over about a 10 day period.
I did not use autodark subtract, the exposures were fully
calibrated with bias, darks, flats, and flat darks using
AIP4WIN. Further post processing was completed using
Photoshop CS with a final touch up using Neat Image Pro.
I think this photo speaks very highly of the DSI Pro II's hi
sensitivity. The Custom Scientific HA filter is very narrow at 4.5nm
and my imaging location is very light polluted being in LA County
and in the middle of a town of 250,000 outdoor light lovin souls.
The Mosaic was built using Photoshop CS, all brightness balancing
& all that was done manually. All told, I would estimate that I
have about 30~40 hours invested in this photo so far, I intend to
add OIII and SII to it for a mapped color version as well as RGB
from the color DSI II for an LRGB image.
Posted By: MATaylor
Viewed: 1874
Comments: 0
Rating: 2 vote(s)
Average Rating: 5.0
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