Contains: NGC 7424
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NGC7424 - a beautiful barred spiral in Grus

Technical card

Resolution: 2312x2368

Astrodon 3nm Ha: 10x1200" bin 1x1
Astrodon B Gen.2 E-series: 29x600" bin 1x1
Astrodon G Gen.2 E-series: 25x600" bin 1x1
Astrodon L Gen.2 E-series: 34x1200" bin 1x1
Astrodon R Gen.2 E-series: 32x600" bin 1x1

Integration: 29.0 hours job: 1759586

RA center: 344.394 degrees

DEC center: -41.083 degrees

Pixel scale: 0.836 arcsec/pixel

Orientation: 359.674 degrees

Field radius: 0.384 degrees


A combination of a couple of data sets, just over 30 hours of total integration time, helps make the best of this difficult, low surface brightness target.

Approx half the data from my Ceravolo 300 astrograph and Apogee U16M camera and the other half from Martin Pugh's remote Astro-Physics RH305 and SBIG STXL-16200 camera:



Rick Stevenson

Sky plot

Sky plot


NGC7424 - a beautiful barred spiral in Grus, Rick Stevenson