Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1795  ·  IC 1805  ·  NGC 896
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The Heart Nebula (IC 1805) in SHO, 


            Chuck's Astrophotography
The Heart Nebula (IC 1805) in SHO
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The Heart Nebula (IC 1805) in SHO

Technical card

Imaging telescopes or lenses: Orion ED80T CF apochromatic refractor

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Celestron CGX

Guiding telescopes or lenses: Orion ST 80

Guiding cameras: Lodestar X2

Focal reducers: Orion 0.8 Reducer

Software: DeepSky Stacker  ·  PHD2  ·  Sequence Generator Pro  ·  PixInsight

Filters: OIII  ·  Ha  ·  Astronimik SII

Accessory: ZWO 8x 1.25" Filter Wheel (EFW)  ·  MoonLite CF 2" Focuser  ·  QHYCCD PoleMaster

Dates:Nov. 29, 2017Nov. 30, 2017

Ha: 104x180" (gain: 139.00) -20C bin 1x1
OIII: 90x120" (gain: 139.00) -20C bin 1x1
Astronimik SII: 89x180" (gain: 139.00) -20C bin 1x1

Integration: 12.7 hours

Darks: ~50

Flats: ~50

Bias: ~50

Avg. Moon age: 10.67 days

Avg. Moon phase: 81.97%

Basic astrometry details

Astrometry.net job: 1843167

RA center: 2h 32' 59"

DEC center: +61° 19' 1"

Pixel scale: 1.999 arcsec/pixel

Orientation: 279.891 degrees

Field radius: 1.426 degrees

Resolution: 4093x3104


I've captured Melotte 15 and the Fishhead Nebula before, but this is the first time I tried to capture the entire Heart Nebula in color. It wasn't easy with only 12 hours of data to work with - the OIII and SII was hard to come by, but I gave it a go.


Sky plot

Sky plot


The Heart Nebula (IC 1805) in SHO, 


            Chuck's Astrophotography