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Contains:  The star 10Cas
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Sharpless 2-170 in Cassiopeia - the 'Little Rosette' nebula, 





    
        

            Steve Milne
Sharpless 2-170 in Cassiopeia - the 'Little Rosette' nebula

Sharpless 2-170 in Cassiopeia - the 'Little Rosette' nebula

Technical card

Resolution: 3218x2369

Dates:Oct. 9, 2018

Frames:
Astrodon Ha 5nm: 17x1200" bin 1x1
Astrodon OIII 5nm: 18x1200" bin 1x1
Astrodon SII 5nm: 18x1200" bin 1x1

Integration: 17.7 hours

Avg. Moon age: 0.38 days

Avg. Moon phase: 0.16%

Astrometry.net job: 2329287

RA center: 0.750 degrees

DEC center: 64.938 degrees

Pixel scale: 2.095 arcsec/pixel

Orientation: 268.706 degrees

Field radius: 1.163 degrees

Locations: E-EyE, Fregenal de la Sierra, Extremadura, Spain

Data source: Unknown

Description

Sharpless 2-170 (sometimes referred to as the Little Rosette Nebula) is an emission nebula that is around 7,500 light years away in the constellation of Cassiopeia.

Sh 2-170 was imaged between 5 and 9 October 2018 from two remote imaging rigs in Spain that are owned and operated by Barry Wilson and me.

Capture details are as follows:

Telescopes: Takahashi FSQ 106 x2
Camera: QSI 683 WSG x2
Filters: Astrodon & Astronomik 5nm & 6nm NB
Mount: 10 Micron GM1000HPS & 10 Micron GM2000HPS

SII: 18 x 1200s
Ha: 17 x 1200s
OIII: 18 x 1200s

A total of 17 hours 40 minutes exposure.

Data Capture: Steve Milne & Barry Wilson
Image Processing: Steve Milne

Comments

Author

gnomus
Steve Milne
License: None (All rights reserved)
1953
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Revisions

  • Sharpless 2-170 in Cassiopeia - the 'Little Rosette' nebula, 





    
        

            Steve Milne
    Original
  • Final
    Sharpless 2-170 in Cassiopeia - the 'Little Rosette' nebula, 





    
        

            Steve Milne
    B

B

Bit less green, bit more contrast.

Sky plot

Sky plot

Histogram

Sharpless 2-170 in Cassiopeia - the 'Little Rosette' nebula, 





    
        

            Steve Milne