Hemisphere:  Southern
Pismis 4 region, 



    
        

            Jean-Marie Locci
Pismis 4 region
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Pismis 4 region

Technical card

Imaging telescopes or lenses: Borel-Simon PowerNewt 8" f/2.8

Imaging cameras: QSI 583 wsg

Mounts: Sky-Watcher NEQ6

Guiding telescopes or lenses: Borel-Simon PowerNewt 8" f/2.8

Guiding cameras: Lodestar

Focal reducers: Borel-Simon Coma Corrector

Software: CCDStack  ·  Maxim DL  ·  Cartes du Ciel  ·  photoshop

Filters: SII 5nm  ·  OIII 5nm  ·  Astrodon H-alpha 5nm

Accessory: Sky-Watcher SW Electric Focuser


Dates:Feb. 6, 2013

Frames:
Astrodon H-alpha 5nm: 18x300" -15C bin 2x2
OIII 5nm: 18x300" -15C bin 2x2
SII 5nm: 18x300" -15C bin 2x2

Integration: 4.5 hours

Darks: ~16

Flats: ~16

Bias: ~16

Avg. Moon age: 25.32 days

Avg. Moon phase: 18.76%

Bortle Dark-Sky Scale: 4.00

Temperature: 25.00


Basic astrometry details

Astrometry.net job: 91159

RA center: 8h 29' 53"

DEC center: -44° 2' 42"

Pixel scale: 3.670 arcsec/pixel

Orientation: 89.421 degrees

Field radius: 1.061 degrees


Resolution: 1663x1252

Locations: Home, Perth, Australia

Data source: Backyard

Comments

Author

jmlocci
Jean-Marie Locci
License: None (All rights reserved)
1990
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Pismis 4 region, 



    
        

            Jean-Marie Locci