Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Iris Nebula  ·  NGC 7023  ·  VdB139
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The Iris Nebula with Dark Nebulas LDN1174 and LDN1170, 



    
        

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The Iris Nebula with Dark Nebulas LDN1174 and LDN1170

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The Iris Nebula with Dark Nebulas LDN1174 and LDN1170, 



    
        

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The Iris Nebula with Dark Nebulas LDN1174 and LDN1170

Imaging telescopes or lenses: Skywatcher Explorer 150/750 PDS

Imaging cameras: ZWO ASI 1600 MM Pro

Mounts: Skywatcher HEQ5 PRO

Guiding telescopes or lenses: APM 80/328mm

Guiding cameras: ZWO ASI 120 mini

Focal reducers: TS Maxfield Komakorrektor

Software: Pixinsight

Filters: ZWO B 36mm GenII  ·  ZWO G 36mm GenII  ·  ZWO R 36mm GenII  ·  ZWO L 36mm GenII

Accessory: Deep Sky Dad AF3 AutoFocuser  ·  Ekos/INDI, Stellarmate OS  ·  ZWO EFW 36mm


Dates:Sept. 18, 2020

Frames:
ZWO B 36mm GenII: 33x180" (1h 39') (gain: 0.00) -20C bin 1x1
ZWO G 36mm GenII: 34x180" (1h 42') (gain: 0.00) -20C bin 1x1
ZWO L 36mm GenII: 35x180" (1h 45') (gain: 0.00) -20C bin 1x1
ZWO R 36mm GenII: 34x180" (1h 42') (gain: 0.00) -20C bin 1x1

Integration: 6h 48'

Darks: 30

Flats: 30

Bias: 30

Avg. Moon age: 1.21 days

Avg. Moon phase: 1.64%

Bortle Dark-Sky Scale: 4.00


RA center: 21h01m26s.892

DEC center: +67°5446.50

Pixel scale: 1.099 arcsec/pixel

Orientation: 89.615 degrees

Field radius: 0.864 degrees

More info:Open 


Resolution: 4542x3390

Data source: Backyard

Description

Foggy and Wet condnitions

Comments

Revisions

  • The Iris Nebula with Dark Nebulas LDN1174 and LDN1170, 



    
        

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    Original
  • The Iris Nebula with Dark Nebulas LDN1174 and LDN1170, 



    
        

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    B
  • The Iris Nebula with Dark Nebulas LDN1174 and LDN1170, 



    
        

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    C
  • Final
    The Iris Nebula with Dark Nebulas LDN1174 and LDN1170, 



    
        

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    D

B

Description: Complete new edit

Uploaded: ...

C

Description: Reduced Star Halos

Uploaded: ...

D

Description: Sharpened a bit

Uploaded: ...

Sky plot

Sky plot

Histogram

The Iris Nebula with Dark Nebulas LDN1174 and LDN1170, 



    
        

            pmneo