Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  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  ·  And 1 more.
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North America and Pelican Nebula Narrowband (Bicolor), 



    
        

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North America and Pelican Nebula Narrowband (Bicolor)

Getting plate-solving status, please wait...
North America and Pelican Nebula Narrowband (Bicolor), 



    
        

            pfile
Powered byPixInsight

North America and Pelican Nebula Narrowband (Bicolor)

Imaging telescopes or lenses: CANON 200 f/2.8

Imaging cameras: SBIG STT 8300M

Mounts: Astro-Physics Mach1 GTO

Guiding telescopes or lenses: Orion Finderscope 9x50

Guiding cameras: Lodestar

Software: PHD guiding  ·  PixInsight  ·  AstroTortilla  ·  Microprojects Equinox Image  ·  Astrometry.net

Filters: OIII 5nm  ·  Ha 5nm


Dates:June 27, 2013June 28, 2013

Frames:
Ha 5nm: 7x1200" (2h 20') -30C bin 1x1
OIII 5nm: 11x1200" (3h 40') -30C bin 1x1

Integration: 6h

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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