NGC2549 – 48 millions ly

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NGC2549 (in the middle) and NGC2521 (down right)

Lenticular galaxy, 48 million of lightyears. RGB integration, with R channel made by red and H alpha filter data integration.

Cropped close-up to NGC2549
Annotation of DSO with PGC – Principal Galaxies Catalogue and NGC specification.

NGC1499 California Nebula in HOO palette

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NGC1499 California nebula

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SHO palette from narrowband Ha, Sii Oiii drizzle data integration
Ha Astronomik 1,25″ narrowband filter 129 subframe integration: 16 Gain 200 offset 50, 300sec -20 Celsius, 113 180sec
Sii Astronomik 1,25″ narrowband filter 137 subframes integration, Gain 200, offset 50, 180sec -20 Celsius
Oiii Astronomik 1,25″ narrowband filter 159 subframes integration, Gain 200 Offset 50, 180sec -20 Celsius

NGC6910: a 300sec PHD2 guided Ha narrowband approach by AZ-GTi

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Telescopi o obiettivi di acquisizione: William Optics RedCat 51 Petzval APO
Camere di acquisizione: ZWO ASI183MC Pro
Montature: SkyWatcher AZ-GTI
Telescopi o obiettivi di guida: QHYCCD QHY Mini Guide Scope
Camere di guida: QHYCCD QHY5L-II-C
Software: Lightroom  ·  Stark Labs Phd2  ·  Photoshop  ·  Astroberry  ·  Pleiades Astrophoto PinInsight  ·  KStars Ekos/INDI, Astroberry OS
Filtri: SVBONY H-Alpha 7nm
Accessorio: SVBONY Filter Wheel 2″

Date:22 Giugno 2021 ,  26 Giugno 2021 ,  01 Luglio 2021
Pose:SVBONY H-Alpha 7nm: 55×300″ (4h 35′) (gain: 180.00) -15C bin 1×1
Integrazione: 4h 35′
Dark: ~33
Flat: ~33
Dark dei flat: ~33
Giorno lunare medio: 16.88 giorni
Fase lunare media: 80.68%
Scala del Cielo Scuro Bortle: 6.00
Temperatura: 18.00

Astrobin: https://www.astrobin.com/o5duea/

Astrometry: https://nova.astrometry.net/user_images/4845717#annotated

William Optics Redcat 51, ASI183MC-Pro with 2″ Ha narrowband filter by Svbony.
Mount: Skywatcher AZ-Gti in EQMOD, fw. downgrade to 3.20 from actual latest 3.26 to support PHD2 guiding in Astroberry server (Raspberry Pi4, 4gb).
After some attempts failed, according to some bugs reported for incompatibilities among astroberry>Kstars/PHD2 guiding, I downgrade my AZ-GTi to firmware 3.20, since then getting able to perform very quick calibration and autoguiding both in PHD2 and internal Kstars.
This is an integration of some Ha subframe taken at 300sec, Gain180, -15C with ASI183MC-Pro on WO Redcat 51 from home balcony, Bortle 6 urban sky.

B/W palette

Meteor in NGC6910 field

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Telescopi o obiettivi di acquisizione: Williams Optics Zenithstar 61 APO
Montature: Skywatcher EQ35M
Telescopi o obiettivi di guida: QHYCCD QHY Mini Guide Scope
Camere di guida: QHYCCD QHY5L-II-C
Riduttori di focale: William Optics Adjustable Flattener Flat61
Software: Adobe Lightroom · Stark Labs Phd2 · Photoshop · Astroberry · Pleiades Astrophoto PinInsight · KStars Ekos/INDI, Astroberry OS
Date:03 Giugno 2021
Pose:SVBONY CLS Clip Filter for Canon EOS: 1×600″ (10′) ISO400
Integrazione: 10′
Dark: ~17
Flat: ~17
Dark dei flat: ~17
Bias: ~17
Giorno lunare medio: 23.27 giorni
Fase lunare media: 38.22%
Scala del Cielo Scuro Bortle: 6.00
Temperatura: 14.00

Astrobin: https://www.astrobin.com/h649o3/

Astrometry: http://nova.astrometry.net/user_images/4737569#annotated

A shooting star into NGC6910 and NGC6914 field.
From a single subframe taken by Canon EOS550d with CLS clip filter on William Optics Zenithstar 61, ISO400 600sec, while recording focused on NGC6910 available on sky from my balcony in the first part of the night.
To process this singular frame I made 3 copies and calibrated with dark/flat/BIAS once using normal BIAS integration, then using SUPERBIAS integration and calibration, thus to get 6 files to process with their drizzle data.
Postprod by Phtoshop and Lightroom.

NGC7000 / Caldwell 20

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Astrobin:

Astrometry:

NGC7000 pillars

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Astrobin:

Astrometry: http://nova.astrometry.net/user_images/4567149#annotated

M101 / NGC5457, NGC5422, NGC5443, NGC5475, NGC5485

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M101 / NGC5457, NGC5422, NGC5443, NGC5475, NGC5485

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NGC6910

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