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Contains:  The star 10Cas
Getting plate-solving status, please wait...
Sh2-170 Little Rosette Nebula in HSOrgb, 





    
        

            Jose Carballada
Sh2-170 Little Rosette Nebula in HSOrgb

Sh2-170 Little Rosette Nebula in HSOrgb

Technical card

Resolution: 2328x1760

Dates:Dec. 20, 2018Dec. 31, 2018Jan. 4, 2019

Frames:
Astrodon B Gen.2 E-series 36mm: 45x10" (gain: 200.00) -20C bin 1x1
Astrodon G Gen.2 E-series 36mm: 45x10" (gain: 200.00) -20C bin 1x1
Astrodon HA 36mm - 5nm: 49x600" (gain: 200.00) -20C bin 1x1
Astrodon O-III 36mm - 5nm: 20x600" (gain: 200.00) -20C bin 1x1
Astrodon R Gen.2 E-series 36mm: 45x10" (gain: 200.00) -20C bin 1x1
Astrodon S-II 36mm - 5nm: 20x600" (gain: 200.00) -20C bin 1x1

Integration: 15.2 hours

Avg. Moon age: 21.55 days

Avg. Moon phase: 41.22%

Astrometry.net job: 2520233

RA center: 0.393 degrees

DEC center: 64.618 degrees

Pixel scale: 2.932 arcsec/pixel

Orientation: 268.622 degrees

Field radius: 1.189 degrees

Locations: AAS Montsec, Àger, Lleida, Spain

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Next one from the Sharpless catalogue of faint nebulae.
It's not a common object, and of course... it's faint.
Sh2-170 is an emission nebula in Cassiopeia at around 7500 light years away.
Always taken pictures of the past, something that happened 7500 year a go and now arrive to the earth.
The bright star at the centre of the nebula is ionising the surrounding hydrogen gas, causing the nebula to glow.
This nebula is about 2/3 the diameter of the full moon.

Comments

Author

Carballada
Jose Carballada
License: Attribution-NonCommercial-ShareAlike Creative Commons
1430
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Sh2-170 Little Rosette Nebula in HSOrgb, 





    
        

            Jose Carballada