Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  25 Cyg  ·  34 P Cyg  ·  36 Cyg  ·  37 gam Cyg  ·  40 Cyg  ·  44 Cyg  ·  B145  ·  B342  ·  B343  ·  B344  ·  B347  ·  B348  ·  Crescent nebula  ·  Cygnus  ·  IC 1311  ·  IC 1318  ·  IC1311  ·  IC4996  ·  M 29  ·  M29  ·  NGC 6888  ·  NGC 6910  ·  NGC 6913  ·  NGC 6914  ·  NGC6881  ·  NGC6888  ·  NGC6910  ·  NGC6914  ·  PK074+01.1  ·  PK074+02.1  ·  And 24 more.
Getting plate-solving status, please wait...
Sadr Region in Cygnus, 



    
        

            Nic Doebelin
Powered byPixInsight

Sadr Region in Cygnus

Getting plate-solving status, please wait...
Sadr Region in Cygnus, 



    
        

            Nic Doebelin
Powered byPixInsight

Sadr Region in Cygnus

Technical card

Imaging telescopes or lenses: Samyang 135mm f/2 ED UMC

Imaging cameras: ZWO ASI1600MM-C

Mounts: Avalon Instruments Linear Fast Reverse

Guiding telescopes or lenses: Skywatcher 80/400 Guidingscope

Guiding cameras: ZWO ASI120MM

Software: PixInsight  ·  Main Sequence Software Sequence Generator Pro  ·  PHD2 Guiding

Filters: Astronomik 12nm Narrowband

Accessory: ZWO EFW  ·  QHYCCD Polemaster


Dates:Oct. 9, 2018

Frames:
Astronomik Ha 31mm 12nm: 30x180" (1h 30') (gain: 139.00) -20C bin 1x1
Astronomik OIII 31mm 12nm: 30x180" (1h 30') (gain: 139.00) -20C

Integration: 3h

Darks: ~25

Flats: ~25

Bias: ~100

Avg. Moon age: 0.38 days

Avg. Moon phase: 0.16%

Bortle Dark-Sky Scale: 5.00

Mean SQM: 19.20

Temperature: 16.00


Astrometry.net job: 2300245

RA center: 20h 18' 20"

DEC center: +39° 52' 1"

Pixel scale: 6.043 arcsec/pixel

Orientation: -89.712 degrees

Field radius: 4.837 degrees


Resolution: 3468x4604

Locations: Solothurn, Solothurn, SO, Switzerland

Data source: Backyard

Description

I stopped the lense down to f/4 in order to mitigate various issues with camera tilt, spacing, and non-parfocal filters.

Comments

Sky plot

Sky plot

Histogram

Sadr Region in Cygnus, 



    
        

            Nic Doebelin