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Sh2 170 Narrow Band, 





    
        

            jerryyyyy
Sh2 170 Narrow Band

Sh2 170 Narrow Band

Technical card

Resolution: 3098x2346

Dates:Nov. 27, 2018

Frames:
AstroDon 5nm Ha filter: 33x1800" bin 1x1
Astrodon 3nm OIII 31mm: 56x1800" bin 1x1
Astrodon S-II 5nm: 33x1800" bin 1x1

Integration: 61.0 hours

Avg. Moon age: 19.42 days

Avg. Moon phase: 77.41%

Astrometry.net job: 3045687

RA center: 0.420 degrees

DEC center: 64.628 degrees

Pixel scale: 0.782 arcsec/pixel

Orientation: 359.762 degrees

Field radius: 0.422 degrees

Locations: Stanford Faculty Observatory, Stanford, California, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

This small Sharpless object sits high in the northern fall sky north of SH2-171 which is a common object imaged and south of Abell 85, a supernova remnant. The object responds to mostly red filters so a red luminance can be easily used on this one to produce a nice RRGB. It also does very well with a hydrogen-alpha filter and exposing the camera for a very long time begins to pick up a fainter area around it. It also responds very nice with the sulfur II and oxygen III filters so this one makes for a great narrowband color image..

From: http://www.sharplesscatalog.com/sharpless/SH2-170.aspx

This is a bit of a bull's eye with the O-III in the center then the HA (a lot) finally the S-II towards the outside.

Comments

Author

jerryyyyy
jerryyyyy
License: None (All rights reserved)
1350
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Revisions

  • Sh2 170 Narrow Band, 





    
        

            jerryyyyy
    Original
  • Final
    Sh2 170 Narrow Band, 





    
        

            jerryyyyy
    B

B

Well, a few additional processing tricks learned over the past few months: All Images destarred in PI, denoised in PS, then reintegrated with Ha used as L

Sky plot

Sky plot

Histogram

Sh2 170 Narrow Band, 





    
        

            jerryyyyy