Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 97  ·  NGC 3587  ·  Owl nebula
M97 HOO - The Owl Nebula with halo, 



    
        

            Zheng Fu
M97 HOO - The Owl Nebula with halo
Powered byPixInsight

M97 HOO - The Owl Nebula with halo

M97 HOO - The Owl Nebula with halo, 



    
        

            Zheng Fu
M97 HOO - The Owl Nebula with halo
Powered byPixInsight

M97 HOO - The Owl Nebula with halo

Technical card

Imaging telescopes or lenses: Skywatcher QUATTRO-8S

Imaging cameras: QHY695a

Mounts: iOptron CEM-60EC

Guiding telescopes or lenses: QHYCCD QHYOAG

Guiding cameras: QHYCCD5L-II-M

Focal reducers: SkyWatcherComa Corrector II Coma Corrector II

Software: PhD 2 Guiding  ·  PixInsight 1.8  ·  Sequence Generator Pro  ·  MaximDL Maxim DL Pro 5

Filters: Astrodon 1.25" 5nm SII  ·  Astrodon 1.25" 5nm H-alpha  ·  Astrodon 1.25" 3nm OIII


Dates:Jan. 12, 2018Feb. 19, 2018Feb. 23, 2018

Frames:
Astrodon 1.25" 3nm OIII: 16x600" -35C bin 1x1
Astrodon 1.25" 5nm H-alpha: 21x600" -35C bin 1x1
Astrodon 1.25" 5nm SII: 16x600" -35C bin 1x1

Integration: 8.8 hours

Darks: ~20

Flats: ~30

Bias: ~100

Avg. Moon age: 12.15 days

Avg. Moon phase: 27.55%


Basic astrometry details

Astrometry.net job: 1948618

RA center: 11h 14' 46"

DEC center: +55° 1' 4"

Pixel scale: 1.174 arcsec/pixel

Orientation: 94.660 degrees

Field radius: 0.286 degrees


Resolution: 1446x1165

Locations: BHL, Beijing, China

Data source: Own remote observatory

Description

R ( 80%Ha+20%SII ), G ( OIII ), B ( OIII )
Feel free to leave comments : )

Comments

Sky plot

Sky plot

Histogram

M97 HOO - The Owl Nebula with halo, 



    
        

            Zheng Fu