Rosette Nebula Scope: WO Redcat 51 Main Camera: ASI2600MC…
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Rosette Nebula
Scope: WO Redcat 51
Main Camera: ASI2600MC Pro (Gain 100, Offset 25, -10 °C)
Mount: Star Adventurer GTi
Guide Scope: SvBony 165 (120mm F4)
Guide Camera: ASI120MM Mini
Filter: Ha and OIII Dual Narrowband (SVBony 220)
Acquisition: ca. 30x 300" (I took 35 images but regrettably forgot to note how many I ended up stacking; it must have been around 30), 2.5 h total over two nights in February from a Bortle 6 Balcony, 85 % full moon.
Acquisition software: N.I.N.A. and PHD2.
Calibration Frames: 51 Bias Frames, 50 Dark Frames, 31 Flats
Pre-Processing in Siril: Drizzle, and manual image calibration and stacking
Processing in Siril: Cropped, background extraction using AutoBGE and GraXpert successively, Cosmic Clarity Sharpen, SPCC, Starnet++, Veralux Hypermetric Stretch on Starless Image, Veralux Star Composer, Curve Adjustments
This was the first opportunity I got to test my new setup and the first time I used a dedicated astro cam and first attempt at guiding (had some trouble, but I think overall the setup is quite forgiving). It was the first clear nights in weeks and of course nearly full moon... I am quite happy with the result, given the sub-optimal conditions.
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Scope: WO Redcat 51
Main Camera: ASI2600MC Pro (Gain 100, Offset 25, -10 °C)
Mount: Star Adventurer GTi
Guide Scope: SvBony 165 (120mm F4)
Guide Camera: ASI120MM Mini
Filter: Ha and OIII Dual Narrowband (SVBony 220)
Acquisition: ca. 30x 300" (I took 35 images but regrettably forgot to note how many I ended up stacking; it must have been around 30), 2.5 h total over two nights in February from a Bortle 6 Balcony, 85 % full moon.
Acquisition software: N.I.N.A. and PHD2.
Calibration Frames: 51 Bias Frames, 50 Dark Frames, 31 Flats
Pre-Processing in Siril: Drizzle, and manual image calibration and stacking
Processing in Siril: Cropped, background extraction using AutoBGE and GraXpert successively, Cosmic Clarity Sharpen, SPCC, Starnet++, Veralux Hypermetric Stretch on Starless Image, Veralux Star Composer, Curve Adjustments
This was the first opportunity I got to test my new setup and the first time I used a dedicated astro cam and first attempt at guiding (had some trouble, but I think overall the setup is quite forgiving). It was the first clear nights in weeks and of course nearly full moon... I am quite happy with the result, given the sub-optimal conditions.
#space
source
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