Hemisphere:  Southern  ·  Contains:  IC 1274  ·  IC 4685  ·  Lagoon Nebula  ·  M 20  ·  M 21  ·  M 8  ·  NGC 6514  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  NGC 6531  ·  NGC 6544  ·  NGC 6546  ·  NGC 6553  ·  NGC 6559  ·  NGC 6568  ·  The star 11Sgr  ·  The star 4Sgr  ·  The star 7Sgr  ·  The star 9Sgr  ·  Trifid Nebula
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M8, M20, M21: Lagoon, Trifid, Webb's Cross, 



    
        

            Russell Valentine
M8, M20, M21: Lagoon, Trifid, Webb's Cross
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M8, M20, M21: Lagoon, Trifid, Webb's Cross

Technical card

Imaging telescopes or lenses: Asahi Pentax Super Takumar 200mm f/4

Mounts: StarSync Tracker SSTEQ25

Guiding telescopes or lenses: Meade 8X50 finder scope

Guiding cameras: QHY5-II Mono

Software: INDI/Ekos  ·  Darktable  ·  GIMP  ·  SIRIL  ·  PHD II


Dates:July 23, 2020

Frames: 16x240"

Integration: 1.1 hours

Avg. Moon age: 2.99 days

Avg. Moon phase: 9.79%


Basic astrometry details

Astrometry.net job: 4229472

RA center: 18h 4' 24"

DEC center: -23° 39' 46"

Pixel scale: 8.854 arcsec/pixel

Orientation: 359.433 degrees

Field radius: 3.817 degrees


Resolution: 1719x2585

Locations: Farpoint, Eskridge, Kansas, United States

Data source: Backyard

Comments

Author

bluthen
Russell Valentine
License: Attribution Creative Commons
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Revisions

  • M8, M20, M21: Lagoon, Trifid, Webb's Cross, 



    
        

            Russell Valentine
    Original
  • Final
    M8, M20, M21: Lagoon, Trifid, Webb's Cross, 



    
        

            Russell Valentine
    B

B

Description: Better color calibration on this revision.

Sky plot

Sky plot

Histogram

M8, M20, M21: Lagoon, Trifid, Webb's Cross, 



    
        

            Russell Valentine