Hemisphere:  Northern  ·  Contains:  M 97  ·  M97  ·  NGC 3587  ·  Owl nebula
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Owl Nebula (M97) in HOOrgb, 


            Jose Carballada
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Owl Nebula (M97) in HOOrgb

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 ASI183MM-Cool  ·  ZWO ASI1600MM-Cool

Mounts: Skywatcher EQ6R Pro  ·  Mesu 200 Mk2

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

Guiding cameras: ZWO ASI290 Mini  ·  ZWO ASI174 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

Accessory: ZWO EFW  ·  MoonLite NiteCrawler WR30  ·  MoonLite CSL 2.5" Focuser with High Res Stepper Motor

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

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' 9"

Pixel scale: 0.337 arcsec/pixel

Orientation: 90.662 degrees

Field radius: 0.163 degrees

Resolution: 2604x2322

Locations: AAS Montsec, Àger, Lleida, Spain

Data source: Own remote observatory

Remote source: Non-commercial independent facility


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.



Jose Carballada
License: Attribution-NonCommercial-ShareAlike Creative Commons

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Owl Nebula (M97) in HOOrgb, 


            Jose Carballada