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Contains:  Crab nebula, M 1, NGC 1952
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M1 The Crab Nebula (RGB+H-alpha OIII), 



    
        

            ofiuco
M1 The Crab Nebula (RGB+H-alpha OIII)
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M1 The Crab Nebula (RGB+H-alpha OIII)

Technical card

Imaging telescopes or lenses: Vixen Newton R200SS f/4

Imaging cameras: Canon EOS 700D unmodded

Mounts: Vixen GPD2 Skysensor

Guiding telescopes or lenses: LZOS MTO Rubinar MC 500mm f/5,6

Guiding cameras: Skywatcher Synguider

Focal reducers: Baader MPCC coma corrector

Software: Photoshop  ·  Photomatix  ·  IRIS  ·  Lightroom

Filters: Astronomik UHC-E EOS Clip  ·  Astronomik OIII 12nm EOS Clip  ·  Optolong H-Alpha 12nm EOS clip

Accessory: Homebuilt anticondensation band  ·  Homebuilt Flat Box  ·  XP3


Dates:Nov. 26, 2019

Frames:
Astronomik OIII 12nm: 12x300" ISO1600
Astronomik UHC-E: 13x240" ISO800
Optolong H-Alpha 12nm: 12x300" ISO1600

Integration: 2.9 hours

Darks: ~14

Flats: ~57

Bias: ~154

Avg. Moon age: 29.38 days

Avg. Moon phase: 0.02%

Bortle Dark-Sky Scale: 4.00

Temperature: 8.33


Basic astrometry details

Astrometry.net job: 3085410

RA center: 5h 34' 50"

DEC center: +22° 2' 2"

Pixel scale: 1.100 arcsec/pixel

Orientation: 90.712 degrees

Field radius: 0.704 degrees


Resolution: 3733x2697

Data source: Backyard

Description

First attempt from the periferic city with homebuilt anticondensation band on the secondary mirror. Unfortunately I had some problems with tracking.

Comments

Author

ofiuco
ofiuco
License: None (All rights reserved)
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Revisions

  • M1 The Crab Nebula (RGB+H-alpha OIII), 



    
        

            ofiuco
    Original
  • Final
    M1 The Crab Nebula (RGB+H-alpha OIII), 



    
        

            ofiuco
    E

Sky plot

Sky plot

Histogram

M1 The Crab Nebula (RGB+H-alpha OIII), 



    
        

            ofiuco