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Contains:  Cone nebula, Christmas Tree cluster, NGC 2264, NGC 2252, NGC 2251, IC 448, NGC 2244, IC 2169, Rosette nebula, NGC 2239, The star 17Mon, The star 16Mon, The star ξGem, The star 30Gem, The star 15Mon, The star 13Mon, The star 12Mon
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From the Rosette to the Cone, 





    
        

            Gary Lopez
From the Rosette to the Cone

From the Rosette to the Cone

Technical card

Resolution: 3731x2821

Dates:Jan. 2, 2019Jan. 3, 2019

Frames:
Astrodon Ha 3nm-31mm: 60x180" (gain: 130.00) -15C bin 1x1
Astrodon OIII 3nm-31mm: 40x180" (gain: 139.00) -15C bin 1x1
Astrodon SII 3nm-31mm: 42x180" (gain: 139.00) -15C bin 1x1

Integration: 7.1 hours

Darks: ~30

Bias: ~50

Avg. Moon age: 26.69 days

Avg. Moon phase: 9.06%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 2793084

RA center: 99.272 degrees

DEC center: 8.074 degrees

Pixel scale: 9.169 arcsec/pixel

Orientation: 105.691 degrees

Field radius: 5.957 degrees

Locations: Monterey Pines Observatory, Monterey, California, United States

Data source: Backyard

Description

I enjoy wide angle views as they reveal the spacial relationships of the common objects we all photograph, and how one object is visually connected to another by veils of wispy dust and gas. In this scene are the familiar Rosette Nebula (Caldwell 49, 1600 PC) and the Cone Nebula (NGC2264, 830 PC). In addition there are two supernova remnants, SNR 205.5+0.5 (Monoceros Loop, 1600 PC), and SNR 206.9+2.3 (6900 PC). This stretch of Monocero is a continuum of wonderful objects linked one to another across the sky.

I collected these data several months ago, but had much difficulty finding a processing approach where the star field did not overwhelm the objects of interest. This is my latest effort.

Comments

Author

GWLopez
Gary Lopez
License: None (All rights reserved)
3385
Like

Revisions

  • From the Rosette to the Cone, 





    
        

            Gary Lopez
    Original
  • From the Rosette to the Cone, 





    
        

            Gary Lopez
    B
  • Final
    From the Rosette to the Cone, 





    
        

            Gary Lopez
    C

B

Warmed the color temperature a bit

C

Updated color temperature to emphasize nebulas and deemphasize star field

Sky plot

Sky plot

Histogram

From the Rosette to the Cone, 





    
        

            Gary Lopez