M 57 Ring nebula, 



    
        

            PGU (Giuliano Pinazzi)

M 57 Ring nebula

Acquisition details

Dates:
May 17, 2012 ·  July 16, 2012
Frames:
Baader Planetarium H-Alpha Filter: 18×300(1h 30′) bin 2×2
Baader Planetarium H-Alpha Filter: 3×600(30′) bin 2×2
OIII: 6×300(30′) bin 2×2
OIII: 10×600(1h 40′) bin 2×2
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

Resolution: 654x486

File size: 120.5 KB

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

Histogram

M 57 Ring nebula, 



    
        

            PGU (Giuliano Pinazzi)