The Hidden Galaxy (IC 342) – (Rouz Astro Reducer-OAG Kit)

The Hidden Galaxy (IC 342) – CDK14 – (Rouz Astro Reducer-OAG Kit)

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Equipment

Imaging Telescopes Or Lenses : Planewave CDK14 (Rouz Astro Reducer-OAG Kit)
Imaging Cameras : QHYCCD QHY600PH M
Mounts : Astro-Physics 1100GTO
Filters : Astronomik Deep-Sky Blue 50 mm · Astronomik Deep-Sky Green 50 mm · Astronomik Deep-Sky Red 50 mm · Chroma H-alpha 3nm Bandpass 50 mm · Chroma LoGlow Light Pollution 50 mm
Accessories : Optec Gemini Rotating Focuser · Optec Sagitta Off-Axis Guider · Planewave Reducer 0.66x CDK12.5-14-17
Software : Pleiades Astrophoto PixInsight · Stefan Berg Nighttime Imaging ‘N’ Astronomy (N.I.N.A. / NINA)

Acquisition details

Dates : Oct. 13, 2022
Frames : Astronomik Deep-Sky Blue 50 mm: 28×300″(2h 20′)
Astronomik Deep-Sky Green 50 mm: 28×300″(2h 20′)
Astronomik Deep-Sky Red 50 mm: 32×300″(2h 40′) (gain: 0.00)
Chroma H-alpha 3nm Bandpass 50 mm: 17×600″(2h 50′) (gain: 56.00)
Chroma LoGlow Light Pollution 50 mm: 101×300″(8h 25′) (gain: 0.00) -10°C bin 1×1
Integration : 18h 35′
Avg. Moon age : 18.34 days
Avg. Moon phase : 86.24%

Description

The Hidden Galaxy (IC 342) – CDK14

Called the Hidden Galaxy as it is behind the dust of our galactic equator, making it more challenging to observe. Located some 10 million light years from Earth, IC 342 is one of the members of the Maffei group which is close to our local group.

The exposure was relatively long at 18 hours with a relatively fast CDK14 operating at f/4.7. The QHY600m camera was used at gain 0 to maximize the full well capacity but in High Gain mode.

Hydrogen Alpha data was captured at gain 56. Hydrogen alpha data captured by 3nm filters highlights the pink nebulosity in the spiral arms analogous to sparkling rubies.

Below is a starless version highlighting the IFN and surrounding gases:

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