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Owl Nebula (M97) in HOOrgb | by Carballada
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Owl Nebula (M97) in HOOrgb

www.astrobin.com/8flgba

 

Always a difficult object to me, so small, so dim... and always come back and I try to take something... if you've ever struggled with it, you know what I mean :D a perfect example of planetary nebula.

 

The Owl Nebula is a planetary nebula located approximately 2,030 light years away in the constellation Ursa Major. The nebula is approximately 8,000 years old.

 

In that case is a little bit more that 50 hours of integration, using only a small area of the sensor because the small size of this object, heavily cropped after a drizzle process and still at 0.34 arcsec/pixel.

 

Technical card

Imaging telescopes or lenses:Teleskop Service TS Photoline 107mm f/6.5 Super-Apo, Altair Astro RC250-TT 10" RC Truss Tube

 

Imaging cameras:ZWO ASI1600MM-Cool, ZWO ASI183MM-Cool

 

Mounts:Skywatcher EQ6R Pro, Mesu 200 Mk2

 

Guiding telescopes or lenses:Celestron OAG Deluxe, Teleskop Service TSOAG9 Off-Axis Guider

 

Guiding cameras:ZWO ASI174 Mini, ZWO ASI290 Mini

 

Focal reducers:Riccardi Reducer/Flattener 0.75x, Telescope-Service TS 2" Flattener

 

Software:Pleiades Astrophoto PixInsight , Seqence Generator Pro

 

Filters:Astrodon O-III 36mm - 5nm, Astrodon S-II 36mm - 5nm, Astrodon R Gen.2 E-series 36mm, Astrodon G Gen.2 E-series 36mm, Astrodon B Gen.2 E-series 36mm, Astrodon HA 36mm - 5nm, Astrodon L Gen.2 E-series 36mm

 

Accessories:ZWO EFW, MoonLite NiteCrawler WR30, MoonLite CSL 2.5" Focuser with High Res Stepper Motor

 

Resolution: 2604x2322

 

Dates:Jan. 14, 2020, Feb. 21, 2020, Feb. 23, 2020, Feb. 25, 2020, Feb. 26, 2020

 

Frames:

Astrodon B Gen.2 E-series 36mm: 90x30" (gain: 75.00) -20C bin 1x1

Astrodon G Gen.2 E-series 36mm: 90x30" (gain: 75.00) -20C bin 1x1

Optolong Ha 7nm 36mm: 165x600" (gain: 200.00) -20C bin 1x1

Astrodon O-III 36mm - 5nm: 163x600" (gain: 183.00) -15C bin 1x1

Astrodon R Gen.2 E-series 36mm: 90x30" (gain: 75.00) -20C bin 1x1

 

Integration: 56.9 hours

 

Avg. Moon age: 16.01 days

 

Avg. Moon phase: 19.43%

 

Astrometry.net job: 3292004

 

RA center: 11h 14' 48"

 

DEC center: +55° 1' 8"

 

Pixel scale: 0.337 arcsec/pixel

 

Orientation: 269.282 degrees

 

Field radius: 0.163

 

Locations: AAS Montsec, Àger, Lleida, Spain

 

Data source: Own remote observatory

 

Remote source: Non-commercial independent facility

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Uploaded on March 5, 2020