Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  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

Getting plate-solving status, please wait...
M8, M20, M21: Lagoon, Trifid, Webb's Cross, 



    
        

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

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

Equipment

Imaging Telescopes Or Lenses
Asahi Pentax Super Takumar 200mm f/4
Imaging Cameras
Canon T3i 600D Canon 600d
Mounts
StarSync Tracker SSTEQ25
Software
SIRIL · GIMP · PHD II · INDI/Ekos · Darktable
Guiding Telescopes Or Lenses
Meade 8X50 finder scope
Guiding Cameras
QHY5-II Mono

Acquisition details

Dates:
July 23, 2020
Frames:
16x240" (1h 4')
Integration:
1h 4'
Avg. Moon age:
2.99 days
Avg. Moon phase:
9.79%

Basic astrometry details

Astrometry.net job: 4229472

RA center: 18h04m24s.7

DEC center: -23°3946

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

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.

Uploaded: ...

Sky plot

Sky plot

Histogram

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



    
        

            Russell Valentine