Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1805
Melotte 15, 


            Brian Maurer
Melotte 15
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Melotte 15

Technical card

Imaging telescopes or lenses: Celestron 11” RASA

Imaging cameras: ZWO ASI1600mm

Mounts: Celestron CGE PRO

Guiding cameras: ZWO ASI1600mm

Filters: Baader f/2 highspeed 3nm Ha filter  ·  Baader OIII f/2 High Speed OIII CCD Filter

Dates:Nov. 15, 2019

Frames: 720x60"

Integration: 12.0 hours

Avg. Moon age: 17.61 days

Avg. Moon phase: 91.09%

Basic astrometry details

Astrometry.net job: 3115575

RA center: 2h 33' 8"

DEC center: +61° 31' 12"

Pixel scale: 1.697 arcsec/pixel

Orientation: 272.678 degrees

Field radius: 0.991 degrees

Resolution: 3372x2511

Locations: Backyard, Los Angeles, California, United States

Data source: Backyard


Bi-color Ha/OIII

450 Ha of 60 seconds each and 270 of OIII,60 seconds each


Sky plot

Sky plot


Melotte 15, 


            Brian Maurer