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I agreeImaging telescope or lens:Takahashi FSQ 106EDXIII
Imaging camera:QSI 683WSG-8 OAG QSI 683
Mount:Paramount MyT
Guiding telescope or lens:Takahashi FSQ 106EDXIII
Guiding camera:QSI 683WSG-8 OAG QSI 683
Software:Pixinsight 1.8
Filters:Astrodon Luminance , Astrodon Blue , Astrodon Red , Astrodon Green
Dates:Sept. 12, 2015 , Sept. 15, 2015
Frames:
Astrodon Blue: 16x900" bin 1x1
Astrodon Green: 18x900" bin 1x1
Astrodon Luminance: 38x900" bin 1x1
Astrodon Red: 17x900" bin 1x1
Integration: 22.2 hours
Avg. Moon age: 15.40 days
Avg. Moon phase: 2.46%
Astrometry.net job: 781570
RA center: 21h 0' 45"
DEC center: +67° 42' 14"
Pixel scale: 2.094 arcsec/pixel
Orientation: -90.003 degrees
Field radius: 1.211 degrees
Resolution: 3326x2504
Locations: Deep Sky West Remote Observatory (DSW), Rowe, New Mexico, United States
This is my second look at the Iris Nebula having first attempted soon after getting my first set up. I struggled then to get any colour in the darker areas but found after a years experience this was far easier to come by. As always excellent data really helped.
For this version I have avoided simply trying to stretch the areas of dim nebulosity, instead I have tried to work on a image with a little more depth and range. I have also tried to maximise the detail in the Iris area itself and capture some of the more subtle detail and colouring.
The Iris Nebula, also NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus. NGC 7023 is actually the cluster within the nebula, LBN 487, and the nebula is lit by a magnitude +7 star, SAO 19158. It shines at magnitude +6.8. It is located near the Mira-type variable star T Cephei, and near the bright magnitude +3.23 variable star Beta Cephei. It lies 1,300 light-years away and is six light-years across. (Wikipedia)
Hope you like....
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