Celestial hemisphere:  Southern  ·  Constellation: Aquarius (Aqr)  ·  Contains:  Helix nebula  ·  NGC 7293
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Helix Nebula NGC 7293 in High Gain Narrowband, glend
Helix Nebula NGC 7293 in High Gain Narrowband
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Helix Nebula NGC 7293 in High Gain Narrowband

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Description

This was a test of the ASI1600MM-C camera's ability to do "Fast Narrow Band". The image consists of a relatively small number of Ha (15), OIII (25), and Sii (28) subs shot at 90". Camea Gain was set to 200 and Offset to 28. I also shot equivalent Darks and Bias frames at thos camera settings. Stacked and registers in DSS. Colour and layer processing in Photoshop.

Scope was a MN190, f 5.3, 1000mm fl.

Comments

Sky plot

Sky plot

Histogram

Helix Nebula NGC 7293 in High Gain Narrowband, glend

In these public groups

ZWO ASI1600MM/QHY163M