Last try with better skies and better filters.
Only few days ago it was finish the widefield version www.astrobin.com/392050.

Inside you find the NGC 1893, it is an open cluster in the constellation Auriga.
It is about 3,280 light years away. The star cluster is embedded in the HII region IC 410 (TadPoles Nebula)

Originally shoot at 0.5 arc/px under the best skies.

Technical card
Imaging telescope or lens:Teleskop Service TS Photoline 107mm f/6.5 Super-Apo
Imaging camera:ZWO ASI1600MM-Cool
Mount:Astro-Physics Mach-1 GTO CP4
Guiding telescope or lens:Celestron OAG Deluxe
Guiding camera:QHYCCD QHY5III174
Focal reducer:Riccardi Reducer/Flattener 0.75x
Software:Main Sequence Software Seqence Generator Pro, Astro-Physics AAPC, Pleiades Astrophoto PixInsight
Filters:Astrodon HA 36mm – 5nm, Astrodon B Gen.2 E-series 36mm, Astrodon G Gen.2 E-series 36mm, Astrodon R Gen.2 E-series 36mm, Astrodon S-II 36mm – 5nm, Astrodon O-III 36mm – 5nm
Accessories:ZWO EFW, MoonLite NiteCrawler WR30
Resolution: 4656×3520
Dates:Jan. 10, 2019, Feb. 12, 2019, Feb. 27, 2019, March 7, 2019
Astrodon B Gen.2 E-series 36mm: 40×10″ (gain: 75.00) -20C bin 1×1
Astrodon G Gen.2 E-series 36mm: 40×10″ (gain: 75.00) -20C bin 1×1
Astrodon HA 36mm – 5nm: 81×600″ (gain: 200.00) -20C bin 1×1
Astrodon O-III 36mm – 5nm: 36×600″ (gain: 200.00) -20C bin 1×1
Astrodon R Gen.2 E-series 36mm: 40×10″ (gain: 75.00) -20C bin 1×1
Astrodon S-II 36mm – 5nm: 38×600″ (gain: 200.00) -20C bin 1×1
Integration: 26.2 hours
Avg. Moon age: 8.69 days
Avg. Moon phase: 25.73%
Astrometry.net job: 2577842
RA center: 80.684 degrees
DEC center: 33.416 degrees
Pixel scale: 0.503 arcsec/pixel
Orientation: 269.527 degrees
Field radius: 0.408 degrees
Locations: AAS Montsec, Àger, Lleida, Spain
Data source: Own remote observatory
Remote source: Non-commercial independent facility

via Flickr https://flic.kr/p/2e4fisq

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