Hemisphere:  Northern  ·  Constellation: Orion (Ori)
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Sh2-261 – Nebulosa di Lower, 



    
        

            Alessandro Curci
Sh2-261 – Nebulosa di Lower
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Sh2-261 – Nebulosa di Lower

Technical card

Imaging telescopes or lenses: Tecnosky Apo Triplet 115/800

Imaging cameras: QHYCCD QHY8L

Mounts: SkyWatcher HEQ5 Pro

Guiding telescopes or lenses: Artesky 60/240

Guiding cameras: QHYCCD QHY5L-II Color

Software: PHD guiding  ·  photoshop  ·  AstrophotographyTool  ·  Nebulosity  ·  PixInsight 1.8 PixInsight

Filters: Hutech IDAS LPS-P2  ·  IDAS LPS V4 2"


Dates:Dec. 13, 2020

Frames:IDAS LPS V4 2": 12x900" bin 1x1

Integration: 3.0 hours

Darks: ~6

Flats: ~15

Bias: ~30

Avg. Moon age: 28.20 days

Avg. Moon phase: 1.99%

Bortle Dark-Sky Scale: 3.00

Mean SQM: 20.70


Basic astrometry details

Astrometry.net job: 4114601

RA center: 6h 8' 50"

DEC center: +15° 41' 31"

Pixel scale: 2.015 arcsec/pixel

Orientation: 37.767 degrees

Field radius: 0.954 degrees


Resolution: 2838x1888

Locations: BORNO, BRESCIA, Italy

Data source: Traveller

Description

Work in progress

Comments

Revisions

  • Sh2-261 – Nebulosa di Lower, 



    
        

            Alessandro Curci
    Original
  • Sh2-261 – Nebulosa di Lower, 



    
        

            Alessandro Curci
    B
  • Final
    Sh2-261 – Nebulosa di Lower, 



    
        

            Alessandro Curci
    C

Sky plot

Sky plot

Histogram

Sh2-261 – Nebulosa di Lower, 



    
        

            Alessandro Curci