Hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  IC 1296  ·  M 57  ·  NGC 6720  ·  Ring nebula in Lyra
M 57 Ring nebula, 



    
        

            PGU (Giuliano Pinazzi)
M 57 Ring nebula
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M 57 Ring nebula

Technical card

Imaging telescopes or lenses: Celestron C11 SCT

Imaging cameras: Starlight Xpress SXVF-H9

Mounts: Avalon Linear FR

Guiding telescopes or lenses: Sky-Watcher MC 90

Guiding cameras: Starlight Xpress SXV-Autoguider

Software: photoshop  ·  Maxim DL

Filters: OIII  ·  Baader Planetarium H-Alpha Filter


Dates:May 17, 2012July 16, 2012

Frames:
Baader Planetarium H-Alpha Filter: 18x300" (1h 30') bin 2x2
Baader Planetarium H-Alpha Filter: 3x600" (30') bin 2x2
OIII: 6x300" (30') bin 2x2
OIII: 10x600" (1h 40') bin 2x2

Integration: 4h 10'

Darks: 21

Flats: 22

Bias: 20

Avg. Moon age: 26.71 days

Avg. Moon phase: 8.83%

Bortle Dark-Sky Scale: 6.00

Mean SQM: 18.64

Temperature: 22.60


Basic astrometry details

Astrometry.net job: 86534

RA center: 18h53m32s

DEC center: +33°0137

Pixel scale: 0.915 arcsec/pixel

Orientation: -177.518 degrees

Field radius: 0.104 degrees


Resolution: 654x486

Locations: Osservatorio EOS , Verona, VR, Italy

Description

M 57 Ring Nebula, Lyra.

Riprese con filtri OIII & H-alpha, tricromia sintetica [Ha-OIII]-Ha-OIII-OIII[Ha].

Celestron C11 a piena focale f/10. CCD Starlight Xpress SXVF-H9

Comments

Sky plot

Sky plot

Histogram

M 57 Ring nebula, 



    
        

            PGU (Giuliano Pinazzi)