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Contains:  16 Tau, 17 Tau, 18 Tau, 19 q Tau, 20 Tau, 21 Tau, 22 Tau, 23 Tau, 24 Tau, 25 eta Tau, 26 Tau, 27 Tau, 28 Tau, Alcyone, Asterope, Atlas, Celaeno, Electra, IC349, M45, Maia, Maia nebula, Merope, Merope nebula, NGC 1432, NGC 1435, NGC1435, Pleiades, Pleione, Sterope II, Taygeta, The star 18Tau, The star Atlas (27Tau), The star Celaeno (16Tau), The star Electra (17Tau), The star Merope (23Tau), The star Pleione (28Tau), The star Sterope I (21Tau), The star Taygeta (19Tau), The star ηTau
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M45 The Pleiades, 


            Jarrett Trezzo
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Imaging telescopes or lenses: Celestron 11" Rowe-Ackermann Schmidt Astrograph

Imaging cameras: QHYCCD QHY268C

Mounts: Orion Atlas Pro AZ/EQ-G

Guiding telescopes or lenses: Astromania 60mm Guide Scope

Guiding cameras: QHYCCD QHY5III178M

Software: Adobe Lightroom Classic  ·  PixInsight 1.8.5  ·  Adobe Photoshop CC‎  ·  SynScan Pro  ·  Astro Pixel Processor  ·  Metaguide 5.2.6  ·  Sequence Generator Pro

Filters: Astronomik L2 UV/IR Cut

Accessory: Celestron Focus Motor  ·  Berlebach Planet Tripod  ·  Baader Planetarium UFC  ·  Spike-a Flat Fielder  ·  QHYCCD PoleMaster

Dates:Dec. 31, 2019

Frames: 115x60"

Integration: 1.9 hours

Avg. Moon age: 4.99 days

Avg. Moon phase: 25.62%

Bortle Dark-Sky Scale: 5.00

Mean SQM: 19.45 job: 3159164

RA center: 3h 46' 45"

DEC center: +24° 8' 35"

Pixel scale: 1.252 arcsec/pixel

Orientation: -88.810 degrees

Field radius: 1.257 degrees

Resolution: 5942x4122

Locations: Backyard, Parrish, FL, United States

Data source: Backyard


Another quick test of the new QHY268C. A 30% moon was up so another bright object was in order. Of course, once the moon set the clouds rolled in ruining my plans for a faint target test. Again I'm impressed with how clean the images come out with this sensor with only a short time!



Jarrett Trezzo
License: None (All rights reserved)


  • M45 The Pleiades, 


            Jarrett Trezzo
  • Final
    M45 The Pleiades, 


            Jarrett Trezzo

Sky plot

Sky plot


M45 The Pleiades, 


            Jarrett Trezzo