Discovery of the M31 [OIII] emission arc
Recently, a major discovery by an international team of amateur astronomers and scientists has become a huge online hit, and this new discovery is just located in one of the
Discovery Astrophotography with ZWO ASTRO
[Video] Elephant Trunk Nebula Revisited On a Clear Night, ZWO
By Chuck’s Astrophotography
2016.11.10
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The weather has been terrible lately as an invisible fog has been rolling in and getting more dense as the night went on. But last night was very clear, so I went after the Elephant Trunk nebula again (IC 1396). I plan to add OIII and SII at a later date. Here is more info:
Telescope: Celestron Newtonian 6 inch (750mm focal length, f/5)
Mount: Celestron AVX
Imaging Camera: ZWO ASI 1600MM-Cool (mono)
Filters: Ha=23×300″ (1 hour, 55 minutes)
Guide scope: Orion ST80
Guide Camera: Lodestar X2
Guide Software: PHD2
Darks: 50, Bias: 100, Flats: 20 (for each filter)
Capture software: Nebulosity
Post Processing: DeekSkyStacker, PixInsight, Photoshop
Dew Shield, Dew Heater Strip
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