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Sh2-155 Cave Nebula – 2018, 





    
        

            Peter Folkesson
Sh2-155 Cave Nebula – 2018

Sh2-155 Cave Nebula – 2018

Technical card

Resolution: 4512x3307

Dates:Oct. 28, 2016Oct. 14, 2018Oct. 18, 2018

Frames:
Baader Blue 1.25" Filter: 58x30" (gain: 200.00) -20C bin 1x1
Baader Blue 1.25" Filter: 172x60" (gain: 200.00) -20C bin 1x1
Baader Green 1.25" Filter: 44x30" (gain: 200.00) -20C bin 1x1
Baader Green 1.25" Filter: 161x60" (gain: 200.00) -20C bin 1x1
Baader Ha 1.25" 7nm: 180x90" (gain: 200.00) -20C bin 1x1
IDAS LPS D1: 60x30" (gain: 200.00) -20C bin 1x1
IDAS LPS D1: 114x60" (gain: 200.00) -20C bin 1x1
Baader Red 1.25" Filter: 50x30" (gain: 200.00) -20C bin 1x1
Baader Red 1.25" Filter: 171x60" (gain: 200.00) -20C bin 1x1

Integration: 16.6 hours

Darks: ~100

Flats: ~100

Bias: ~200

Avg. Moon age: 13.94 days

Avg. Moon phase: 33.23%

Bortle Dark-Sky Scale: 5.00

Temperature: 8.78

Astrometry.net job: 2839282

RA center: 344.093 degrees

DEC center: 62.721 degrees

Pixel scale: 1.902 arcsec/pixel

Orientation: 98.623 degrees

Field radius: 1.478 degrees

Locations: Backyard, Borås, Sweden

Data source: Backyard

Description

2016-10-28 20:00-02:00
Clear, hard wind, intermittent high clouds, 80% humidity, 7 degrees C
Exposures:
Ha:86x90s RGB:(50+44+58)x30s L:60x30s

2018-10-14 20:00-05:00
Clear, some wind, no moon, 80% humidity, 12 degrees C
Exposures:
L: 114x60s RGB:(90+84+90)x60s

2018-10-18 20:00-05:00
Clear, no wind, half moon, 90% humidity, 3 degrees C
Exposures:
Ha: 94x90s RGB:(81+77+82)x60s

Comments

Author

petfol
Peter Folkesson
License: None (All rights reserved)
1701
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Revisions

  • Sh2-155 Cave Nebula – 2018, 





    
        

            Peter Folkesson
    Original
  • Sh2-155 Cave Nebula – 2018, 





    
        

            Peter Folkesson
    B
  • Sh2-155 Cave Nebula – 2018, 





    
        

            Peter Folkesson
    C
  • Final
    Sh2-155 Cave Nebula – 2018, 





    
        

            Peter Folkesson
    D

Sky plot

Sky plot

Histogram

Sh2-155 Cave Nebula – 2018, 





    
        

            Peter Folkesson