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Contains:  55 Cyg, 56 Cyg, 57 Cyg, 60 Cyg, 62 ksi Cyg, B349, B350, B352, B353, B355, B356, B358, IC 5068, IC 5070, IC5068, IC5070, NGC 6997, NGC 7000, NGC6996, NGC6997, NGC7000, North America nebula, PK084+01.1, PK086+00.1, Pelican nebula, Sh2-117, The star 55Cyg, The star 56Cyg, The star 57Cyg, The star 60Cyg, The star ξCyg
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North America and Pelican Nebula Narrowband (Bicolor), 



    
        

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North America and Pelican Nebula Narrowband (Bicolor)

Technical card

Imaging telescope or lens:CANON 200 f/2.8

Imaging camera:SBIG STT 8300M

Mount:Astro-Physics Mach1 GTO

Guiding telescope or lens:Orion Finderscope 9x50

Guiding camera:Lodestar

Software:AstroTortillaPHD guidingPixInsightMicroprojects Equinox ImageAstrometry.net

Filters:OIII 5nmHa 5nm


Dates:June 27, 2013June 28, 2013

Frames:
Ha 5nm: 7x1200" -30C bin 1x1
OIII 5nm: 11x1200" -30C bin 1x1

Integration: 6.0 hours

Darks: ~51

Flats: ~20

Bias: ~200

Avg. Moon age: 19.89 days

Avg. Moon phase: 72.95%

Bortle Dark-Sky Scale: 7.00


Astrometry.net job: 84599

RA center: 20h 55' 46"

DEC center: +44° 2' 48"

Pixel scale: 5.711 arcsec/pixel

Orientation: 0.161 degrees

Field radius: 3.337 degrees


Resolution: 2536x3358

Locations: Casa de Rob, Oakland, CA, United States

Data source: Backyard

Description

same data, bicolor LRGB.

L = sii+oiii+ha
RGB = Ha : 0.7 * OIII : 0.33*Ha + OIII

canon 200L f/2.8 II @ f/2.8
SBIG STT-8300M, astrodon 5nm filters
AP mach1 GTO

Ha : 7 x 1200s (2h20m)
OIII : 11 x 1200s (3h40m)

total exposure : 6h

processing in pixinsight 1.8RC7

Image Plate Solver script version 2.0.1
===============================================================================
Referentiation Matrix (Gnomonic projection = Matrix * Coords[x,y]):
-0.00158835 -4.87315e-06 +2.02218
+4.20708e-06 -0.00158805 +2.66101
+0 +0 +1
Resolution ........ 5.718 arcsec/pix
Rotation .......... 0.169 deg
Focal ............. 194.81 mm
Pixel size ........ 5.40 um
Field of view ..... 4d 1' 39.7" x 5d 19' 59.5"
Image center ...... RA: 20 55 46.550 Dec: +44 02 52.11
Image bounds:
top-left ....... RA: 21 07 32.922 Dec: +46 40 08.97
top-right ...... RA: 20 44 05.751 Dec: +46 40 49.43
bottom-left .... RA: 21 06 26.949 Dec: +41 20 50.05
bottom-right ... RA: 20 45 00.823 Dec: +41 21 26.51
===============================================================================

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North America and Pelican Nebula Narrowband (Bicolor), 



    
        

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