Johnny Qiu’s gallery
(Johnny Qiu and his equipment) Johnny Qiu’s Astrobin page: https://www.astrobin.com/users/joqiu/ Stephan’s Quintet (IOTD 20230801) Imaging Telescopes or Lenses: Planewave CDK20 (f/6.8 version) Imaging Cameras:
DISCOVER NEW HORIZONS
A Rose By Any Other Name: Arp273
NASA APOD 20250109
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Imaging Camera QHY600M SBFL
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Total Integration 26.5hrs
Telescope: Officina Stellare RiDK 400mm
Camera: QHY600M SBFL
Mount: Paramount MEII
Data: L: 9.5hrs, R: 7.5 hrs, G: 4.5 hrs, B: 5hrs
2×2 binning
0.56 arcsec/pixel
Astrophotographer
Dr Dave
