Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  LBN 580  ·  LBN 581  ·  LBN 582  ·  LBN 583  ·  LBN 584  ·  LBN 586  ·  LBN 587  ·  LBN 588  ·  LBN 589  ·  LDN 1264  ·  LDN 1266  ·  LDN 1267  ·  LDN 1268  ·  LDN 1269  ·  LDN 1270  ·  LDN 1271  ·  LDN 1273  ·  LDN 1275  ·  NGC 7822  ·  Sh2-171
Getting plate-solving status, please wait...
SH2-171 Question Mark Nebula, 



    
        

            Stan Smith
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SH2-171 Question Mark Nebula

Getting plate-solving status, please wait...
SH2-171 Question Mark Nebula, 



    
        

            Stan Smith
Powered byPixInsight

SH2-171 Question Mark Nebula

Acquisition details

Dates:
Oct. 26, 2022 ·  Oct. 27, 2022
Frames:
Chroma H-alpha 3nm Bandpass: 54×300(4h 30′) bin 1×1
Chroma OIII 3nm Bandpass: 28×300(2h 20′) bin 1×1
Chroma SII 3nm Bandpass: 24×300(2h) bin 1×1
Integration:
8h 50′
Avg. Moon age:
1.64 days
Avg. Moon phase:
3.34%

RA center: 00h01m53s.40

DEC center: +67°3443.2

Pixel scale: 2.009 arcsec/pixel

Orientation: 4.187 degrees

Field radius: 2.003 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 4026x5947

File size: 15.6 MB

Locations: DarkSky Observatory (In My Back Yard), Westminster, SC, United States

Data source: Backyard

Comments

Sky plot

Sky plot

Histogram

SH2-171 Question Mark Nebula, 



    
        

            Stan Smith