Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  The star 25Cep
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SH2-140 & LDN1204 in HaRGB, 



    
        

            Dieter333
SH2-140 & LDN1204 in HaRGB
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SH2-140 & LDN1204 in HaRGB

Technical card

Imaging telescopes or lenses: TS Optics APO65Q - 65mm f/6.5 Quadruplet Astrographe

Imaging cameras: Moravian G2-4000

Mounts: SW HEQ5 Pro Goto

Guiding telescopes or lenses: Chercheur 50mm

Guiding cameras: I-Nova PLA-M

Software: Adobe Photoshop CS4  ·  Pixinsight Core 1.8

Filters: Ha 5nm  ·  Baader Green 1.25'' Filter  ·  Baader R 1.25'' Filter  ·  Baader Blue 1.25'' Filter


Dates:Aug. 30, 2016Aug. 31, 2016

Frames:
Baader Blue 1.25'' Filter: 12x180" -15C bin 1x1
Baader Green 1.25'' Filter: 12x180" -15C bin 1x1
Ha 5nm: 45x600" -15C bin 1x1
Baader R 1.25'' Filter: 12x180" -15C bin 1x1

Integration: 9.3 hours

Darks: ~50

Flats: ~7

Bias: ~500

Avg. Moon age: 28.19 days

Avg. Moon phase: 2.30%

Bortle Dark-Sky Scale: 3.00


Basic astrometry details

Astrometry.net job: 1245966

RA center: 22h 18' 39"

DEC center: +63° 3' 43"

Pixel scale: 3.606 arcsec/pixel

Orientation: -165.642 degrees

Field radius: 1.195 degrees


Resolution: 620x714

Description

from my country-house in SW of France.

HII région with molecular cloud near Céphée

Comments

Sky plot

Sky plot

Histogram

SH2-140 & LDN1204 in HaRGB, 



    
        

            Dieter333