Contains:NGC 6995, Network nebula, NGC 6992, IC 1340, Veil nebula, Lace-work nebula, Filamentary nebula, NGC 6960, The star 52Cyg
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Cygnus Loop in OSH, 


        David Lindemann
Cygnus Loop in OSH

Cygnus Loop in OSH

Technical card

Imaging telescope or lens:Takahashi FSQ106ED

Imaging camera:Alta U8300

Mount:10micron GM2000 HPS II GM2000

Guiding telescope or lens:Takahashi FSQ106ED

Guiding camera:Atik 16IC

Software:Adobe Photoshop CS5

Filters:Ha 5nmOIII 5nmSII 5nm

Accessory:Atik EFW2 Filter Wheel

Resolution: 6025x5855

Dates: Aug. 14, 2016

Frames: 211x600"

Integration: 35.2 hours

Avg. Moon age: 10.81 days

Avg. Moon phase: 83.34% job: 1234805

RA center: 312.868 degrees

DEC center: 30.732 degrees

Pixel scale: 2.090 arcsec/pixel

Orientation: 90.141 degrees

Field radius: 2.440 degrees

Locations: Observatoire personnel, Vérossaz, Valais, Switzerland

Data source: Unknown


6 panels mosaic - NGC6960, NGC6974, NGC6979, NGC6992, NGC6995 and IC1340 - LRGB composition - OSH palette (Red = OIII, Green = SII, Blue = H-alpha)

71 raw H-alpha images of 10 minutes each unbinned
68 raw OIII images of 10 minutes each unbinned
72 raw SII images of 10 minutes each unbinned
35h10 total exposure from 07/29/2016, 07/30/2016, 08/03/2016, 08/04/2016, 08/06/2016, 08/07/2016, 08/08/2016, 08/12/2016, 08/13/2016, and 08/14/2016
A full resolution of 6025x5855 pixels for a total of 35 MPixels
FOV 3.5° x 3.4°
50 bias + 50 dark + 50 flats for calibration in CCDStack


Takahashi FSQ106ED @f/5 530mm focal length with ONAG XT (, Apogee Alta U8300 monochrome @-30°C and Astrodon narrowband H-alpha 5nm, OIII 5nm, ans SII 5m, filters on 10micron GM2000 HPS II

Software: MaximDL to capture - SkySurveyor to calculate mosaic tiles and to automatically move the scope to the next tile coordinate - SharpLock to keep the optical train perfectly focused - CCDStack to calibrate, register, normalize, data reject and combine - Registar and PixInsight for mosaic assembly - Photoshop CC and PixInsight for non-linear streching.



David Lindemann
License: None (All rights reserved)

Sky plot

Sky plot


Cygnus Loop in OSH, 


        David Lindemann